12" X 4" Toe Kick Grille - HVAC Vent Cover [Outer Dimensions: 13.5 X 5.5] - Black Brown Actual Filter Size – 33

Actual Filter Size – 33 3/4"w x 21 3/4" x 1"

and the full outer portion is double layered

+ Product Details Size - 34"w X 28"h is the size for the duct opening measurement only

If you are looking for a top of the line unit to enhance your project look no further than HVAC Premium

+ Product Description Introducing the Toe Space Grill – a practical solution for efficient heating and cooling in spaces with fixed furniture

12" X 4" Toe Kick Grille - HVAC Vent Cover [Outer Dimensions: 13.5 X 5.5] - Black Brown Actual Filter Size – 33+ Product Details Size 12" X 4" is the opening (vent hole) dimension actual size is approx. 1. 5" wider High Quality High quality powder coated steel. Installation Location Placed under kitchen cabinets, bathroom cabinets or vanities. Design With its dual directional design, the Toe Space Grill ensures consistent air distribution, boosting your HVAC system's efficiency. The 45 degree louvers reduce system stress while optimizing performance. Powder