16" X 6" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Aluminum Actual Filter Size – 27

Actual Filter Size – 27 3/4"w x 21 3/4" x 1"

actual front end outer dimensions are approximately 12 5/8" width X 10 5/8" height

75" Width X 17

Filter Grille features a user-friendly plastic latch that requires no screwdriver for opening

Actual Filter Size – 17 3/4"w x 27 3/4" x 1"

16" X 6" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Aluminum Actual Filter Size – 27+ Product Details Size 16"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 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