12" X 12" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling white Weather and Pest Proof –

Weather and Pest Proof – These louvers are especially designed to prevent water from entering your home

Design – Removable frame for easy filter change & cleaning - uses a 1" thick filter

Upgrade your HVAC system with our cutting-edge 360-degree airflow grill

+ Product Details Size - 28"w X 20"h is the size for the duct opening measurement only

12" X 12" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling white Weather and Pest Proof –+ Product Details Size 12"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 875" width X 14" height. High Quality High quality steel construction, no scuff powder coat durable finish, smooth, shiny, scratch resistant, no sharp edges, 2 recessed screw holes on each side with screws included, screws same color as vent cover, easy installation. Adjustable airflow control Adjustable airflow