30"w X 12"h Aluminum Adjustable Return/Supply HVAC Air Grille 18" Round Duct Pipe + Product Details Size –

+ Product Details Size – 30"w X 10"h is the size for the duct opening measurement only

Powder-Coat Finish – Never rust

12" x 4" Floor Register HVAC Air Supply Grille - Heavy Duty Rigid Built - Plastic Never Rust Vent Duct Cover

production and finish on all products

Quality Packaging - Carefully Shrink Wrapped With Cardboard Backing To Prevent Damage In Shipment

30"w X 12"h Aluminum Adjustable Return/Supply HVAC Air Grille 18" Round Duct Pipe + Product Details Size –+ Product Details Size 30"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 31. 85" width X 13. 85" height. High Quality Rigid aluminum construction with counter sunk screw holes (screws included) and no sharp edges. Installation Location Sidewall and ceiling. Design Unrestricted airflow for your HVAC system adjustable one way louver with full horizontal airflow directional control single