30" x 8" HVAC Return Air Grille - Plastic Never Rust Vent Duct Cover - For Wall & Ceiling 6in diameter + Product Details Size –

+ Product Details Size – 28"w X 8"h is the size for the duct opening measurement only

our Radial Damper simplifies the process of managing airflow

Its generous size and universal design ensure a perfect fit for a wide range of thermostat models

Actual Filter Size – 33 3/4"w x 31 3/4" x 1"

and slashes energy costs

30" x 8" HVAC Return Air Grille - Plastic Never Rust Vent Duct Cover - For Wall & Ceiling 6in diameter + Product Details Size –+ Product Details Size 30"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are 32" width X 10" height. High Quality High quality ABS plastic will never rust, no sharp edges & easy to clean Installation Location Sidewall and ceiling. Design Rigid gauge ABS plastic. Rigid gauge built for durability and long life in mind, but still light and handy. Powder coat finish. Smooth, scratch resistant, beautiful. Looks