Photo 1 of Smart Register Booster Fan for 4" x 10" Vents, Quiet 10-Speed AC Heating Cooling Vent Fan with 2 Scent Diffuser Slots & Remote, 3 Modes, LCD Screen, Thermostat Control, Ideal for Home, Bedroom (White)

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Photo 1 of Smart Register Booster Fan for 4" x 10" Vents, Quiet 10-Speed AC Heating Cooling Vent Fan with 2 Scent Diffuser Slots & Remote, 3 Modes, LCD Screen, Thermostat Control, Ideal for Home, Bedroom (White)Photo 2 of Smart Register Booster Fan for 4" x 10" Vents, Quiet 10-Speed AC Heating Cooling Vent Fan with 2 Scent Diffuser Slots & Remote, 3 Modes, LCD Screen, Thermostat Control, Ideal for Home, Bedroom (White)