8" x 8" [Duct Opening] Ceiling Supply Diffuser Vent Cover – Corner Direction with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 11" x 11"] Height_10in Actual Filter Size – 15

Actual Filter Size – 15 3/4"w x 17 3/4" x 1"

It comes with two versatile mounting base options—solid and ring—making installation simple and flexible

Design – rigid gauge built for durability and long life in mind

actual front end outer dimensions are approximately 12 5/8" width X 10 5/8" height

8" x 8" [Duct Opening] Ceiling Supply Diffuser Vent Cover – Corner Direction with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 11" x 11"] Height_10in Actual Filter Size – 15+ 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