10" X 4" Toe Kick Grille - HVAC Vent Cover [Outer Dimensions: 11.5 X 5.5] - Grey Color_Anodized Aluminum the second number represents the

the second number represents the height

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+ Product Details Size – 18"w X 10"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 20 5/8" width X 338 5/8" height

Actual Filter Size – 19 3/4"w x 25 3/4" x 1"

10" X 4" Toe Kick Grille - HVAC Vent Cover [Outer Dimensions: 11.5 X 5.5] - Grey Color_Anodized Aluminum the second number represents the+ Product Details Size 10" 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