12" X 12" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling white Actual Filter Size – 19

Actual Filter Size – 19 3/4"w x 21 3/4" x 1"

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

you have 16 different varieties to choose from

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Design – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%

12" X 12" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling white Actual Filter Size – 19+ 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