Utilitech 20-in 3-Speed Indoor White Box Fan in the Portable Fans department at Lowes.com
Air King Commercial Grade Box Fan 20" 9723 from AIR KING - Acme Tools
Lasko 20 in. Power Plus Box Fan B20540 - The Home Depot
Pelonis 20" White Window Safe Box Fan - Walmart.com
Lasko 3 Speed Weather Shield Performance 20" Box Fan W/ Handle, White (4 Pack) - Walmart.com
Commercial Grade Box Fan - Air King Box Fan Air Movement Solution
AC-Safe 20 in. Box Fan Filter FF-20 - The Home Depot
Ventilation boxes
Optimus 10" Electric Box Fan- White - Walmart.com
EASY HOME® Box-Ventilator | ALDI SÜD
Lasko B20548 20" Pro Power Industrial-Grade Box Fan - Sam's Club
Lasko 20 in. Power Plus Box Fan B20540 - The Home Depot
Lasko 20 in. 3-Speed Weather Shield Performance Box Fan 3720 - The Home Depot
Amazon.com: Hurricane Box Fan - 20 Inch, Classic Series, Floor Fan with 3 Energy Efficient Speed Settings, Compact Design, Lightweight - ETL Listed, White : Home & Kitchen
Amazon.com: Yosooo 6'' Exhaust Fan Box Fan Quiet High Speed Air Ventilation Fan for Home Bathroom Kitchen Garage(Beige) : Everything Else
Galvanized Box Fans
ABOX30
Mainstays FB50-16HB 20" 3-Speed Box Fan (Black) | eBay
AIR FLOOR BOX - 90W Industrial Style Floor Fan - Create Ikohs
Air King 9723 20" 2220 CFM 3-Speed Commercial Grade Box | Build.com
Air King 20" Box Fan, Non-Oscillating, 3 Speeds, 120VAC, Carrying Handle 9723 | Zoro
Lasko 20 in. Dècor Colors Air Circulating Box Fan with 3 Speeds Black B20401 - Best Buy
Amazon.com: Yosooo 6'' Exhaust Fan Box Fan Quiet High Speed Air Ventilation Fan for Home Bathroom Kitchen Garage(Beige) : Everything Else