8" x 8" [Duct Opening] Ceiling Supply Diffuser Vent Cover – 4-Way Airflow with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 11" x 11"] Powder Coated Adjustable airflow control - by

Adjustable airflow control - by rotating the middle disk

This access door offers enhanced safety and security

but you will appreciate the benefits over the period of time

+ How To Measure An Access Panel Overall Size:

+ Product Details Size & Compatibility – 5" 90 Degree Flat Oval Elbow is compatible with duct 5"

8" x 8" [Duct Opening] Ceiling Supply Diffuser Vent Cover – 4-Way Airflow with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 11" x 11"] Powder Coated Adjustable airflow control - by+ 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