20 in (50.8 cm) – yourcustomway

Box Fan Vintage Lakewood 20″ MCM Kmart Metal 3rd Gen Plastic D Blade 3 Speed

Specs: 120VAC; 60Hz ;2.2A; Model: K-224, 3-speed. Made in USA by Lasko for Kmart; works great! This is a fabulous Lakewood by Lasko 3 Speed Box Fan. 5 – D blade plastic fan.

20″ Cool Colors Classic Box Fan with Weather-Resistant Motor, 3 Speeds…

Perfect for window use, the weather-resistant motor allows you to bring in fresh outdoor air or exhaust hot, stale air to improve ventilation and indoor comfort. Customize your cooling with 3 quiet, energy-efficient speeds to suit your needs—whether you’re sleeping, working, or relaxing.