8" x 8" [Duct Opening] Flat Plaque Aluminum Ceiling Supply Diffuser Duct Cover with Lever-Operated Damper for Air Flow Control [Outer Dimensions: 11" x 11"] Color_R-4.2 Yellow 30" x 8" Pleated MERV

30" x 8" Pleated MERV 8 Filter for HVAC Return Filter Grille - 3 Pack

actual front end outer dimensions are approximately 18 5/8" width X 12 5/8" height -

+ Product Details Size & Compatibilty - The 10" to 8" round metal pipe reducer & increaser 30 gauge is compatible with duct 10" to 8"

Applications – The galvanized steel round takes off duct is used to cut into a plenum or rectangular duct to begin a trunk line or branch-like runs

8" x 8" [Duct Opening] Flat Plaque Aluminum Ceiling Supply Diffuser Duct Cover with Lever-Operated Damper for Air Flow Control [Outer Dimensions: 11" x 11"] Color_R-4.2 Yellow 30" x 8" Pleated MERV+ 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