EntreeAir 5.25-in 1-Speed Indoor White Personal Fan in the Portable Fans department at Lowes.com
SunCourt RR100 Entreeair Doorway Fan 5 in 100 cfm Corner Frame Mount Room Air Circulation Quiet
Suncourt Door Frame Fan RR100 for Sale in Baldwin, NY - OfferUp
Amazon.com: Wathai AC 110V 240V 120mm x 38mm Muffin Fan with Variable Speed Controller for Doorway, Room to Room, Wood Stove, Fireplace, Network Cabinet Circulation Cooling : Home & Kitchen
Room-to-Room Air Booster Doorway Corner Fan – Country Stove and Patio
Family Hardware - Suncourt 1-speed Quarter-circle Brown Door Frame Fan