Water Filter Replacement for RF-9999® Faucet, NSF Certified, 2/3/4/6/8/12 Pack
Perfect Fit: Compatible with all PUR, PUR PLUS faucet water filter systems (classic, advanced, vertical & horizontal), including FM3700, PFM400H, PFM350V, PFM100B, FM4000B, PFM450S and more. Easy to Replace: No tools needed.