+ Product Spec Sheet Aluminum Return Filter Grille Spec Sheet
+ Product Details Size – 10"w X 4"h is the size for the duct opening measurement only
Actual Filter Size – 19 3/4"w x 9 3/4" x 1"
Tamper-Proof Design – Provides robust protection to prevent unauthorized access and ensure consistent thermostat settings
+ Product Details Size – 34"w X 26"h is the size for the duct opening measurement only
10" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Supply Grille + Product Spec Sheet Aluminum+ Product Details Size 10"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 875" width X 10" 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