12" x 12" [Duct Opening] Ceiling Supply Diffuser Vent Cover – 2-Way Airflow with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 15" x 15"] Width_24in The sling comes with carabiners

The sling comes with carabiners to easily remove when necessary

Ideal for Walls & Ceilings: Designed for seamless installation in standard 18" X 18" duct openings

+ Product Details Size – 36"w X 32"h is the size for the duct opening measurement only

+ Product Details 22" x 22" x 1" replacement air filters for your furnace

12" x 12" [Duct Opening] Ceiling Supply Diffuser Vent Cover – 2-Way Airflow with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 15" x 15"] Width_24in The sling comes with carabiners+ 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