8" x 8" Steel Fixed Bar Return Grille - Sidewall and Ceiling 18" Round Duct Pipe + Product Details Size -

+ Product Details Size - 20"w X 24"h is the size for the duct opening measurement only

Design – Unrestricted airflow for your HVAC system - adjustable one-way louver with full horizontal airflow directional control - single deflection supply grill with 96% airflow - noise free components - no vibrating louvers etc

You may think of grilles and registers as a generic component of the ventilation system in your house

+ Product Details Size - 6"w X 18"h is the size for the duct opening measurement only

8" x 8" Steel Fixed Bar Return Grille - Sidewall and Ceiling 18" Round Duct Pipe + Product Details Size -+ Product Details Size 8"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 2" wider. High Quality High quality steel with counter sunk screw holes (screws included) and no sharp edges. Installation Location Sidewall and ceiling. Design Heavy gauge steel. Heavier gauge than needed, built for durability and long life in mind, and yet lightweight and easy to handle. Noise free components no