Actual Filter Size – 29 3/4"w x 19 3/4" x 1"
designed for both sidewall and ceiling installations
Actual Filter Size – 11 3/4"w x 25 3/4" x 1"
Solid Base Construction – Features a solid base for stable installation and reliable protection
actual front end outer dimensions are approximately 16 5/8" width X 20 5/8" height
8" X 6" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Floor Grille Actual Filter Size – 29+ Product Details Size 8"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 875" width X 8" 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