Amazon.com: HG Power 5 Inch Air Vent Covers, 5" ABS Adjustable Soffit Vent, Round Ceiling Diffuser for Living Room, Closet, Bathroom, Kitchen, Ventilation Use, White : Tools & Home Improvement
RZ-Round - Rezzin Round Ceiling Diffuser, Integral Butterfly Damper
Ceiling/Wall, 10 1/2 in Dia, Diffuser - 4JRK9|4JRK9 - Grainger
White Air Vent Grille, 4 Pcs Round Ceiling Diffuser, Plastic Air Vent Grille For Living And Business Rooms Ventilation, Kitchen, Bathroom, Toilet, Gar | Fruugo TR
IMPERIAL 6-in x 6-in 2-way Abs Resin Sidewall/Ceiling Diffuser in White in the Ceiling Diffusers department at Lowes.com
Ceiling Air Vents | Air Diffuser| 6" Plastic Air Diffusers– 1800ceiling
RZ-Round - Rezzin Round Ceiling Diffuser
Truaire Part # 800-10 - Truaire 10 In. White Round Ceiling Diffuser (Duct Opening Measurement) - Diffusers - Home Depot Pro
IMPERIAL 5-in White Round Air Diffuser | Lowe's Canada