8" Round Air Vent Supply Grille With Sponge Gasket And Mounting Frame - HVAC Vent Duct Register Cover [Outer Dimensions: 10"] Color_White Actual Filter Size – 17

Actual Filter Size – 17 3/4"w x 15 3/4" x 1"

+ Product Details Perfect Fit & Easy Sizing - Designed for a 18" x 24" OR 24" x 18" duct opening (measured at the opening)

Crafted for durability and rust-resistance

+ Product Details Size - 30"w X 30"h X 2"d (for duct opening measurement only)

Elevate your space's aesthetic with a luxurious touch that complements any architectural style

8" Round Air Vent Supply Grille With Sponge Gasket And Mounting Frame - HVAC Vent Duct Register Cover [Outer Dimensions: 10"] Color_White Actual Filter Size – 17+ Product Details Size The listed 8" diameter refers specifically to the size of the duct opening. However, please note that the total outer dimensions of the grille measure 10" in diameter. Design Circular air supply valves designed to be used in low and medium pressure ventilation air conditioning systems, of up to 300m3 h. Adjustable airflow control by rotating the middle disk, the gap will expand and retract to meet perfect air supply needed.