6" Round Return Air Vent Grille With Sponge Gasket And Mounting Frame - HVAC Vent Duct Register Cover [Outer Dimensions: 8"] Color_R-8.0 Pink and extends HVAC system life

and extends HVAC system life

Suitable for medium-pressure applications

+ Product Details Size - 26"w X 18"h is the size for the duct opening measurement only

+ Product Details Size - 34"w X 34"h is the size for the duct opening measurement only

this flex duct decreases the pressure loss and provides a more hygienic environment

6" Round Return Air Vent Grille With Sponge Gasket And Mounting Frame - HVAC Vent Duct Register Cover [Outer Dimensions: 8"] Color_R-8.0 Pink and extends HVAC system life+ Product Details Size The listed 6" diameter refers specifically to the size of the duct opening. However, please note that the total outer dimensions of the grille measure 8" in diameter. Design Circular return 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. Mounted