14" x 14" [Duct Opening] Ceiling Supply Diffuser Vent Cover – 4-Way Airflow with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 17" x 17"] Compatible With Duct 8in or diffusers in the home

or diffusers in the home

actual front end outer dimensions are approximately 20 5/8" width X 36 5/8" height

Design - special "V" shaped louvers ensure 100% view block while ensuring easy un-restricted air flow

+ Product Details Size & Compatibility – The size of galvanized sheet metal straight floor boot is 10" X 6" X 6"

Rule of Thumb: "HVAC" nominal tube sizing 1/8

14" x 14" [Duct Opening] Ceiling Supply Diffuser Vent Cover – 4-Way Airflow with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 17" x 17"] Compatible With Duct 8in or diffusers in the home+ 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