20" X 4" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Color_Anodized Aluminum Actual Filter Size – 15

Actual Filter Size – 15 3/4"w x 33 3/4" x 1"

this solid-base guard ensures long-lasting performance with minimal hassle

screws same color as vent cover

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

20" X 4" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Color_Anodized Aluminum Actual Filter Size – 15+ Product Details Size 20"w X 4"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 19. 875" width X 6" 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