8" Round Air Vent Supply Grille With Sponge Gasket And Mounting Frame - HVAC Vent Duct Register Cover [Outer Dimensions: 10"] Compatible with Duct 10" ISO Supply Diffusers perform efficiently

ISO Supply Diffusers perform efficiently with air loadings of 6 to 30 air changes per hour (based on 10 ft

High quality – high quality solid stamped steel with counter-sunk screw holes (screws included) and no sharp edges

+ Product Details Size - 6" X 6" is the size for the duct opening measurement only

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ensuring even air distribution throughout your space

8" Round Air Vent Supply Grille With Sponge Gasket And Mounting Frame - HVAC Vent Duct Register Cover [Outer Dimensions: 10"] Compatible with Duct 10" ISO Supply Diffusers perform efficiently+ 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.