6" x 6" [Duct Opening] Ceiling Supply Diffuser Vent Cover – 3-Way Airflow with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 9" x 9"] Width_25in This 25" X 10" end

This 25" X 10" end cap is constructed with 26-gauge galvanized steel

+ Product Details Size - 36"w X 28"h X 2"d (for duct opening measurement only)

Actual Filter Size – 31 3/4"w x 17 3/4" x 1"

powder-coated surface is scratch-resistant

+ Product Details Size - 20"w X 14"h is the size for the duct opening measurement only

6" x 6" [Duct Opening] Ceiling Supply Diffuser Vent Cover – 3-Way Airflow with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 9" x 9"] Width_25in This 25" X 10" end+ Product Details Size Refers to duct opening only. The face frame extends roughly 1. 5" on each side. Do not measure the overall grille for sizing. Design All aluminum frame and back blades. Rustproof and built to last in moisture prone environments. Quiet Airflow Opposing blade damper design reduces vibration and noise for smoother air distribution. Clean Finish White powder coated surface resists chips, scratches, and discoloration over time. Easy