10"W X 8"H [Duct Opening] 3-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 11.75"W X 9.75"H] Color_R-8.0 Pink Installation of the vents will

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

Installation is hassle-free

For 6" Round Duct Opening - Spiral or Flex

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

actual front end outer dimensions are approximately 42 5/8" width X 12 5/8" height -

10"W X 8"H [Duct Opening] 3-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 11.75"W X 9.75"H] Color_R-8.0 Pink Installation of the vents will+ Product Details Size 10"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are 11. 75" width X 9. 75" height. Design Individually adjusting curved blades. Multi shutter damper with handle operator to adjust air flow. Screws Included High Quality Aluminum The premium durable aluminum will never rust and it will never wear through leaving the material with an elegant, beautiful, and smooth surface, adds a