5-Stage 36/50/75/100/150 GPD RO Water Filter Set for APEC Reverse Osmosis System

Standard Size: Membrane Solutions 5-stage filters set compatible with most 10″ standard under the counter reverse osmosis water systems, such as: APEC Water ESSENCE RO-90, RO-Hi, ROES-50, ROES-100, ROES-UV75, ROES-UV75-SS, FILTER-MAX-ES50, FILTER-MAX-ES75, FILTER-MAX-ESUV-SS, RO-PERM Comfee CMP10 Express Water RO5DX, RO10MX, RODI10D, ROUV10DCG, CSGIM5, FLTSET085Q , FLISET165Q, FLTSET245Q, FLTSET0510Q, FLTSET0810Q, FLTSET1610Q, FLTSET2410Q, FLTSETS6C6G6I3M502 FS-TFC FS-RO-100G-A Geekpure RO5, RO5-DI, RO5-PLUS, RO5-UV iSpring RCC1UP, RCC7, RCC7P, RCC100P, RO100 Max Water RO-5W6 PureDrop RTW5, RTW5U, PDR-F5-50 Simpure SP4-RO75, SP4-RO100, T1, T2 Watts Premier WP500032 *The list is under continuous updating. Please contact us via eBay message if you don’t find your system model here. Disclaimer: This product is a generic item that is designed to replace the original part. Any brand names or logos are the registered trademarks of their respective owners. Any use of any brand name or model designation for this product is made solely for purposes of demonstrating compatibility. 100% Safe: Membrane Solutions water filters are made with high quality filtration components to protect and prolong the lifespan of your reverse osmosis system. Food-grade materials with ANSI/NSF 42/58 certification ensure your drinking water safe. PP – Sediment Filter – 1st Stage Standard size: 10″ x 2.5″ 5 micron high-capacity (if you need 1 micron, 10 micron, 20 micron, 25 micron or 50 micron sediment filter, please make a note) Remove larger particles, dirt, silt, rust, sand, etc. Protects and extends the life of the membrane and system. Recommend replacing every 6 months (varies depending on the water source quality). CTO – Carbon Block Filter – 2nd Stage & 3rd Stage Standard size: 10″ x 2.5″ Remove pesticide, odor, chlorine, bacteria, etc. Better than traditional granular activated carbon filter, avoiding producing black water. Recommend replacing every 6 months (varies depending on the water source quality). RO – 36/50/75/100/150 GPD RO Membrane Filter – 4th Stage Standard size: 2″ x 12″ Reject impurities down to 0.0001 microns, it can efficiently remove up to 99% of over 1,000 contaminants from your water, including heavy metals (primarily fluoride, calcium, magnesium, lead, colloids, chromium, and nitrates), organic, rubber mass, harmful minerals and another soluble salt from water. Recommend replacing every 2~3 years (varies depending on the water source quality). T33 – Post Carbon Filter – 5th Stage Standard size: 2″ x 10″ Only fit for the filter with 1/4″ Quick connect fittings Removes any taste or odor the water may have in the tank and create a sweeter water taste Recommend replacing every 1 year (varies depending on the water source quality) Note: 1/4″ Quick Connector Defaulted. If you need female thread connector, please send a picture to show your filter and fittings before setting order, we will help you. Quick-Connect Fitting: 1/4″ tube to 1/4″ tube quick connect fittings. Push-fit fittings fit standard 1/4″ tubing used on most RO systems. Connect and disconnect quickly and easily without any other tools. Made of high-quality polyethylene, safe and non-toxic. Our quick-connect T33 post carbon filter with this fitting can replace 1/4-inch compression connection filters. Six-Month Set Package Includes: 1 x Sediment filter (PP) 2 x Carbon block filter (CTO) 1 x RO membrane filter (RO) – depends on “Capacity” you choosed 1 x Post carbon filter (T33) 1 x Quick-connect fitting One-Year Set Package Includes: 2 x Sediment filter (PP) 4 x Carbon block filter (CTO) 1 x RO membrane filter (RO) – depends on “Capacity” you choosed 1 x Post carbon filter (T33) 1 x Quick-connect fitting Two-Year Set Package Includes: 4 x Sediment filter (PP) 8 x Carbon block filter (CTO) 1 x RO membrane filter (RO) – depends on “Capacity” you choosed 2 x Post carbon filter (T33) 2 x Quick-connect fitting Three-Year Set Package Includes: 6 x Sediment filter (PP) 12 x Carbon block filter (CTO) 1 x RO membrane filter (RO) – depends on “Capacity” you choosed 3 x Post carbon filter (T33) 3 x Quick-connect fittingOn Jun 20, 2024 at 22:52:22 PDT, seller added the following information:

36/50/75/100/150/400/500/600 GPD Reverse Osmosis RO Membrane Water Filter 2″ 3″

Material Safety: Membrane Solutions Reverse Osmosis (RO) membranes are made from 100% food-grade Thin Film Composite (TFC) material for ultimate purification performance, with high permeate flow and salt rejection, tested by an independent third-party to meet NSF/ANSI 58 water standards to ensure a reduction in contaminants, providing safe-clean drinking water. Healthy Drinking: Membrane Solutions RO membrane with a high 97% stabilized salt rejection rate. Hundreds of impurities are reduced by over 99% through the 0.0001 micron TFC membrane layer, including heavy metals (fluoride, calcium, magnesium, lead, colloids, chromium, and nitrates), organic materials such as bacteria and viruses, and harmful minerals, including other soluble salts found in water sources. Universal Membrane Size: 36, 50, 75, 100, 150 GPD RO Membrane – Industry-standard element size 12″ x 2″, designed to fit in standard 1812/2012 residential-style RO membrane housings utilizing a 2-inch internal diameter. Compatible with the following models: APEC Water ESSENCE RO-90, RO-Hi, ROES-50, ROES-100, ROES-UV75, ROES-UV75-SS, RO-PERM, RO-PH90, ROES-PH75, ROES-PHUV75, MEM-ES-50, MEM-ES-75 AQUANOVA TW30-1812-50G, TW30-1812-100G Aquatic Life 330084, 330093 AXEON TF-1812-50, TF-1812-75, TF-1812-100, TF-1812-150 Comfee CMP10 Desal TFM-18, TFM-50, TFM-75, TFM-100 Dow Filmtec TW30-1812-36, TW30-1812-50, TW30-1812-75 (BW60-1812-75), TW30-1812-100 Express Water FLTMEME50, FLTMEME100, RO5DX, RO10MX, RODI10D, ROUV10DCG, ROALK5D, ROALKUV10M FS-TFC TFC-1812-50, TFC-1812-75, TFC-2012-100 GE FX12M, FX12P, GXRM10G, GXRM10RBL, TFC-24, TFM-18 Geekpure RO5, RO5-DI, RO5-PLUS, RO5-UV, O5-MF, RO5-AF, RO6-UV, GP-TW-1812-50G (HIDROTEK 50G), GP-TW-1812-75G (HIDROTEK 75G), GP-TW-1812-100G (HIDROTEK 100G) Hydro-Logic Stealth-RO150, Stealth-RO300 HUINING RO-1812-50, RO-1812-75, RO-2012-100, RO-2012-150 iSpring MC1, MC5, MC7, RCC1UP, RCC7, RCC7P, RCC100P, RO100, PH100, RCC7AK, RCC7AK-UV, RCC7D, RCC7P-AK, RCC1UP-AK Koolermax AR-122, AR-125 LiquaGen LG-30-2012, 75 GPD, 100 GPD Max Water RO-1812-50, RO-2012-100, RO-5W6, RO9S MewMore ROM-ES-50, ROM-ES-75, ROM-ES-100, ROM-ES-150 MOPUEHEL HRE 1812-50, 1812-75, 2012-100, 2012-150 PureDrop PDR-ROM50, RTW5, RTW5AK, RTW5AK, RTW5U Simpure ROULP-1812-75, ROULP-2012-100, T1, T2 Ukoke RO75GP, UWFS01L Vegebe ROM-ES-50, ROM-ES-75, ROM-ES-100, ROM-ES-150 Watts Premier WP500032 400, 500, 600 GPD RO Membrane – Industry-standard element size 12″ x 3″, designed to fit in standard 2812/3012 residential-style RO membrane housings utilizing a 3-inch internal diameter. Compatible with the following models: AQUANOVA TW30-2812-200G AXEON TF-3012-500 Express Water FLTMEM300, FLTMEM600 HUINING EM-RO-3012-400, EM-RO-3012-500 MewMore ROM-ES-300, ROM-ES-400 MOPUEHEL HRE 3012-400 SpiroPure SP-RO-400R Vegebe ROM-ES-300, ROM-ES-400 *The list is under continuous updating. Please contact us via eBay message if you don’t find your system model here. Disclaimer: This product is a generic item that is designed to replace the original part. Any brand names or logos are the registered trademarks of their respective owners. Any use of any brand name or model designation for this product is made solely for purposes of demonstrating compatibility. Specifications: Material: Polyamide Thin-Film Composite Filter Fineness: 0.0001 μm Salt Rejection Rate: 97% TDS Removal Rate: 99% Feed pressure: 60 psi (36, 50, 75, 100, 150GPD), 100 psi (400, 500, 600GPD) Long-Life: The membrane element has a life expectancy between 2 to 3 years, based on average feedwater quality, temperature, and incoming water pressure. On-Demand Support: Assistance is available from our experts, ready to answer any of your questions about your RO membrane. Have a concern or question? American based customer support is available for the life of the product. Welcome to the Membrane Solutions family. Warm Tips: It is recommended that systems using these elements rinse the elements for 24 hours, prior to first use, to meet NSF/ANSI 58 Standard. The first full tank of permeate must be discarded. Do not use this initial permeate for drinking water or food preparation. Keep elements moist at all times after initial wetting. To prevent biological growth during prolonged system shutdowns, it is recommended that membrane elements be immersed in a preservative solution. Rinse out the preservative before use. The membrane shows some resistance to short-term attack by chlorine (hypochlorite). Continuous exposure, however, may damage the membrane and should be avoided. Package Includes: **GPD: 1 x RO Membrane Filter **GPD RO+Housing: 1 x RO Membrane Filter, 1 x Housing, 1 x Wrench, 3 x Elbow FittingOn May 9, 2024 at 04:58:24 PDT, seller added the following information:

6 Pack 100/150 GPD RO Membrane Reverse Osmosis Purifier Water Filter Replacement

Material Safety: Membrane Solutions Reverse Osmosis (RO) membranes are made from 100% food-grade Thin Film Composite (TFC) material for ultimate purification performance, with high permeate flow and salt rejection, tested by an independent third-party to meet NSF/ANSI 58 water standards to ensure a reduction in contaminants, providing safe-clean drinking water. Healthy Drinking: Membrane Solutions RO membrane with a high 97% stabilized salt rejection rate. Hundreds of impurities are reduced by over 99% through the 0.0001 micron TFC membrane layer, including heavy metals (fluoride, calcium, magnesium, lead, colloids, chromium, and nitrates), organic materials such as bacteria and viruses, and harmful minerals, including other soluble salts found in water sources. Universal Membrane Size: Industry-standard element size 12 x 2-inch, designed to fit in standard 1812/2012 residential-style RO membrane housings utilizing a 2-inch internal diameter. Suitable for most home under sink Reverse Osmosis water filtration system. Compatible Filter Models: APEC MEM-ES-50, MEM-ES-75 AQUANOVA TW30-1812-50G, TW30-1812-100G Aquatic Life 330084, 330093 AXEON TF-1812-50, TF-1812-75, TF-1812-100, TF-1812-150 Desal TFM-18, TFM-50, TFM-75, TFM-100 Dow Filmtec TW30-1812-36, TW30-1812-50, TW30-1812-75 (BW60-1812-75), TW30-1812-100 Express Water FLTMEME50, FLTMEME100 FS-TFC TFC-1812-50, TFC-1812-75, TFC-2012-100 GE FX12M, FX12P, TFC-24, TFM-18 Geekpure GP-TW-1812-50G (HIDROTEK 50G), GP-TW-1812-75G (HIDROTEK 75G), GP-TW-1812-100G (HIDROTEK 100G) HUINING RO-1812-50, RO-1812-75, RO-2012-100, RO-2012-150 iSpring MC1, MC5, MC7 LiquaGen LG-30-2012, 75 GPD, 100 GPD Max Water RO-1812-50, RO-2012-100 Membrane Solutions ROULP-1812-36, ROULP-1812-50, ROULP-1812-75 MOPUEHEL HRE 1812-50, 1812-75, 2012-100, 2012-150 PureDrop PDR-ROM50 Simpure ROULP-1812-75, ROULP-2012-100 Vegebe ROM-ES-50, ROM-ES-75, ROM-ES-100, ROM-ES-150 MewMore ROM-ES-50, ROM-ES-75, ROM-ES-100, ROM-ES-150 Compatible Reverse Osmosis System Models: APEC Water ESSENCE RO-90, RO-Hi, ROES-50, ROES-100, ROES-UV75, ROES-UV75-SS, RO-PERM, RO-PH90, ROES-PH75, ROES-PHUV75 Comfee CMP10 Express Water RO5DX, RO10MX, RODI10D, ROUV10DCG, ROALK5D, ROALKUV10M GE GXRM10G, GXRM10RBL Geekpure RO5, RO5-DI, RO5-PLUS, RO5-UV, O5-MF, RO5-AF, RO6-UV Hydro-Logic Stealth-RO150, Stealth-RO300 iSpring RCC1UP, RCC7, RCC7P, RCC100P, RO100, PH100, RCC7AK, RCC7AK-UV, RCC7D, RCC7P-AK, RCC1UP-AK Koolermax AR-122, AR-125 Max Water RO-5W6, RO9S PureDrop RTW5, RTW5AK, RTW5AK, RTW5U Simpure T1, T2 Ukoke RO75GP, UWFS01L Watts Premier WP500032 *The list is under continuous updating. Please contact us via eBay message if you don’t find your system model here. Disclaimer: This product is a generic item that is designed to replace the original part. Any brand names or logos are the registered trademarks of their respective owners. Any use of any brand name or model designation for this product is made solely for purposes of demonstrating compatibility. Long-Life: The membrane element has a life expectancy between 2 to 3 years, based on average feedwater quality, temperature, and incoming water pressure. On-Demand Support: Assistance is available from our experts, ready to answer any of your questions about your RO membrane. Have a concern or question? American based customer support is available for the life of the product. Welcome to the Membrane Solutions family. Specifications: Filter Size: 12″ x 2″ (Fits standard 2″ ID membrane housings) Material: Polyamide Thin-Film Composite Filter Fineness: 0.0001 μm Salt Rejection Rate: 97% TDS Removal Rate: 99% Feed pressure: 60 psi Package Includes: 100 GPD – 2 Pack: 2 x 100 GPD RO Membrane 100 GPD – 4 Pack: 4 x 100 GPD RO Membrane 100 GPD – 6 Pack: 6 x 100 GPD RO Membrane 150 GPD – 2 Pack: 2 x 150 GPD RO Membrane 150 GPD – 4 Pack: 4 x 150 GPD RO Membrane 150 GPD – 6 Pack: 6 x 150 GPD RO Membrane Warm Tips: It is recommended that systems using these elements rinse the elements for 24 hours, prior to first use, to meet NSF/ANSI 58 Standard. The first full tank of permeate must be discarded. Do not use this initial permeate for drinking water or food preparation. Keep elements moist at all times after initial wetting. To prevent biological growth during prolonged system shutdowns, it is recommended that membrane elements be immersed in a preservative solution. Rinse out the preservative before use. The membrane shows some resistance to short-term attack by chlorine (hypochlorite). Continuous exposure, however, may damage the membrane and should be avoided. Recommend work pressure is 100 psi when using this product in a Maple Syrup reverse osmosis system. And we suggest heating and maintaining the raw sap at 104°F(40°C) to prevent clog on the membrane while keeping it under 113°F(45°C) to avoid damage to the membrane due to over-high temperature.On Aug 23, 2023 at 00:20:00 PDT, seller added the following information:

5 Stage Standard Undersink Reverse Osmosis RO System Drinking Water Filter 75GPD

Specification: FEED WATER PRESSURE: 40 – 100 PSI TEMPERATE:40-110°F/5-45°C PH: 3.0 -11.0 MAX TDS :1000 PPM TURBIDITY < 1.0 NTU MAX SDI <4.0 HARDNESS < 5 GPG IRON <0.1 MANGANSESE <0.05 Shelf life: 3 Years Warranty: 1 year limited warranty Features: BPA free,Food grade materials. HIGH EFFICIENT FILTRATION-5-Stage Under-Sink Reverse Osmosis Drinking Water Filtration System with certificated Thin-film composite RO membrane filters down to 0.0001 micron,Reduce 99% contaminant,including Heavy Metal, Arsenic, Lead ,Mercury ,Fluoride, Hardness,Cadmium,Chlorine,Taste,Odor,Asbestos,Hydrocarbons,Cyanide,Trivalent chromium and more 1000+ contaminants. HIGH QUALITY– All tube, fittings, storage tank,Ro membrane complies with ANSI standard 58 to provide healthy, safe, and pure water, certificated LEAD FREE deluxe kitchen sink faucet as last pure water guarantee in your home. EASY&CONVENIENT-Streamlined DIY filter installation; fits most under sink cabinets, the ratio of pure water and waste water is 1:2. RESPONSABLE MANUFACTURER- ISO9001:2008 certificated Manufacturer ,also Member of Water Quality Association (WQA). Warranty-1year limited Product quality and service guarantee. More valuable information: ✪What is dimension of installed Geekpure RO5? RO unit: Length 14.20 inch, Width 6.2 inch, Height 18.1inch. Storage tank: Diameter 9.45 inch, Height 14.4inch. weight: 27.32lb ✪What is 5stage filter and function? the 1st stage: PP sediment filter. Remove sand, dirt, sediment. the 2nd stage: Granular carbon filter. Remove chlorine, taste & odors, very fine particulates the 3rd stage: Carbon block filter. Further remove chlorine, taste & odors, very fine particulates the 4th stage: TFC Ro membrane. Reduce 99% total dissolved minerals, heavy metal, Arsenic, Mercury, Iron, lead ,Fluoride and 1000+ contaminants . the 5th stage:Post inline acid washed coconut carbon filter. Polish water for refined taste. ✪Where can I buy replace filters? In geekpure store on ebay. ✪What is in the box? 1 complete Ro water purifier with 5 pcs filters includes. ✪BPA free? Yes, BPA free ,Lead free and food grade materials. Note: 1.It Is Recommended to Wait Until the Entire System Is Pressurized (Including Storage Tank&Faucet) and Re-Check for Any Leaks Before Leaving Installation Site. 2.It Is Normal for Some Black Carbon Fines to Appear in The Water When Emptying the First 2 Tanks of Water. The First 2 Tanks of Water Produced Should be Emptied and Not Used. 3.Push the Tubing All the Way in and Use Teflon Tape During Installation. About the " Diverter valve", it can be changed in size (3/8" or 1/2"), just rotate one end down and install it to the other end.

5 Stage RO DI resin reverse osmosis water filter system 50/75/100/150 GPD

Removes 98% of impurities including organic and inorganic chemicals. Standard 10″ size fits most under sink filters, reverse osmosis RO systems. Suitable for single filters or as pre-filter in twin systems, suitable for undersink, countertop, reverse osmosis unit and aquarium filter system.

5 Stage Reverse Osmosis RO Water System with Quick Twist Change Filter 75 GPD

Specification: FEED WATER PRESSURE:40 – 100 PSI TEMPERATE:40-110°F/5-45°C PH:3.0 -11.0 MAX. TDS :1000 PPM TURBIDITY < 1.0 NTU MAX SDI <4.0 HARDNESS < 5 GPG IRON <0.1 MANGANSESE <0.05 Shelf life: 3 Years Features: BPA free,Food grade materials,Quick change filters EASY&CONVENIENT- The Best Simplest Installation Reverse Osmosis Drinking Water Filtration System,Quick change sanitary filters, change filters in seconds, shut off water automatically, and No tools required.,others is same as traditional reverse osmosis system. HIGH QUALITY– All tube, fittings, storage tank,Ro membrane complies with NSF/ANSI standard 58 to provide healthy, safe, and pure water, NSF certificated LEAD FREE deluxe kitchen sink faucet as last pure water guarantee in your home HIGH EFFICIENT FILTRATION-5-Stage Reverse Osmosis Drinking Water Filtration System with NSF certificated Thin-film composite RO membrane filters down to 0.0001 micron,Reduce 99% contaminant ,including Heavy Metal, Arsenic, Lead ,Mercury ,Fluoride, Hardness,Cadmium,Chlorine,Taste,Odor,Asbestos, Hydrocarbons,Cyanide,Trivalent chromium and more 1000+ contaminants RESPONSABLE MANUFACTURER- ISO9001:2008 certificated Manufacturer ,also Member of Water Quality Association (WQA) Warranty-1year limited Product quality and service guarantee,NOTE:PLEASE TURN OFF THE BLUE FLUSH VALVE WHEN YOU FLUSH IT 30 MINUTES BEFORE YOU USE IT. IF YOU DON'T KNOW WHICH VALVE,PLEASE CONTACT WITH US. More valuable information: 1.What is advantage compare to traditional Ro system? Answer: It equip with quick change sanitary filters and NO TOOLS REQUIRED, just change filters in seconds,even by woman or kids,and other parts is 100%same as traditional Ro system. 2.What is 5stage filters and function?Is it more expensive than normal one? Answer: the 1st stage is PP spun filter, Remove sand, dirt, sediment. life time:6-12months. the 2nd stage is Granular Activited Carbon Filter, Remove chlorine, taste & odors, very fine particulates. life time:6-12months. the 3rd stage is Carbon Block Filter, Further remove chlorine, taste & odors, very fine particulates. life time:6-12months. the 4th stage is TFC Ro Membrane, Reduce 99% total dissolved minerals, heavy metal, Arsenic, Mercury, Iron, lead ,Fluoride and 1000+ contaminants . life time:15-24months. the 5th stage is Post Inline Acid Washed Coconut Carbon filter, Polish water for refined taste. life time: 12months. life time depends on usage amount and feed water quality. 3.Where can I buy the replacement filters ? Answer: In geekpure store on ebay. Note: 1.Please turn off the blue flush valve (ITEM 6)when you flush the system 30 minutes. 2.It Is Normal For Some Black Carbon Fines To Appear In The Water When Emptying The First 2 Tanks Of Water. The First 2 Tanks Of Water Produced Should Be Emptied And Not Used. 3.Push the Tubing All the Way in and Use Teflon Tape During Installation.

4 Stage 36/50/75/100/150 GPD RO Membrane Reverse Osmosis System Water Filter Set

Standard Size: Membrane Solutions 4-stage filters set compatible with most 10″ standard under the counter reverse osmosis water systems, such as: APEC Water ESSENCE ROES-50, ROES-75, ROES-PH75, ROES-PHUV75, ROES-UV75-SS, ROES-UV75, FILTER-MAX-ES50, FILTER-MAX-ESPH, RO-45, RO-90, RO-PERM, RO-PUMP, WFS-1000 AQUALUTIO AL-1117 iSpring F9K, RCC7AK, RCC7P-AK, RCC7PAK, RCC7, RCS5T, US31, RCC7P, F7-GAC, F7RO, F3_SML , RCC7AK-UV, RCC7D, RCC7U, RCC100P, RCC1UP Express Water RO5DX, ROALK5D, ROUV10DCG, ROALKUV10M, RODI10D, ROELITE9, FLTSETS6C6G6I3M502 GeekPure RO5-AF, RO5-UV, RO5-PLUS Global Water RO-505 PureDrop RTW5 SimPure T1 Watts 415, and more. 100% Safe: Our high capacity filter replacement cartridge with NSF42 certified and ISO9001:2015 certificated ensure your drinking water safe. Food-grade materials give your more safe water. 1st Stage – PP – Sediment Filter Standard size: 10″ x 2.5″ 5 micron high-capacity Remove larger particles, dirt, silt, rust, sand, etc. Protects and extends the life of the membrane and system. Recommend replacing every 6 months (varies depending on the water source quality). 2nd Stage – GAC – Granular Activated Carbon Filter Standard size: 10″ x 2.5″ Remove chlorine, tastes, odors, VOCs, pesticides and herbicides, etc. Recommend replacing every 6 months (varies depending on the water source quality). 3rd Stage – CTO – Carbon Block Filter Standard size: 10″ x 2.5″ Remove chlorine, tastes, odors, VOCs, pesticides and herbicides, etc. Recommend replacing every 6 months (varies depending on the water source quality). 4th Stage – RO – Reverse Osmosis Membrane Filter Standard size: 2″ x 12″ Reject impurities down to 0.0001 microns, it can efficiently remove up to 99% of over 1,000 contaminants from your water, including heavy metals (primarily fluoride, calcium, magnesium, lead, colloids, chromium, and nitrates), organic, rubber mass, harmful minerals and another soluble salt from water. Recommend replacing every 2~3 years (varies depending on the water source quality). 4 Filters Included: 1 x Sediment Filter (PP) 1 x Granular Activated Carbon Filter (GAC) 1 x Carbon Block Filter (CTO) 1 x Reverse Osmosis Membrane Filter (RO) On Mar 31, 2023 at 00:34:36 PDT, seller added the following information: