actual front end outer dimensions are approximately 10 5/8" width X 30 5/8" height
The grille comes with all necessary screws for a secure fit
Refrigerant - 1/2" White Insulation - 50' Long
Installation of the vents will eliminate the need to raise the door ensuring security and constant air flow and reduced heat transfer into attics and adjacent house walls
+ Product Details Size – 25"w X 28"h is the size for the duct opening measurement only
24" X 18" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Round Damper Ring actual front end outer dimensions+ Product Details Size 24"w X 18"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 25. 875" width X 20" 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