14"W X 6"H [Duct Opening] Never Rust Plastic 3-Way-Vertical Air Supply Register - HVAC Vent Duct Grille - Off White [Outer Dimensions: 15.75"W X 7.75"H] Color_Anodized Aluminum + Product Details Size -

+ Product Details Size - 40"w X 20"h is the size for the duct opening measurement only

Actual Filter Size – 13 3/4"w x 19 3/4" x 1"

+ Product Details Size – 26"w X 6"h is the size for the duct opening measurement only

+ Product Details Size & Compatibility – The size of the side round ceiling box is 12" X 12" X 4" and it is compatible with duct 4"

this coil exceeds the required 700 PSI for R410 with a pressure rating of 2300 to 6500 PSI

14"W X 6"H [Duct Opening] Never Rust Plastic 3-Way-Vertical Air Supply Register - HVAC Vent Duct Grille - Off White [Outer Dimensions: 15.75"W X 7.75"H] Color_Anodized Aluminum + Product Details Size -+ Product Details Size 14"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 75" width X 7. 75" height. Design Rigid gauge ABS plastic. Rigid gauge built for durability and long life in mind, but still light and handy. Powder coat finish. Smooth, scratch resistant, beautiful. Looks like new after years of use. Screws Included High Quality High quality ABS plastic will never rust, no sharp