14" X 4" [Duct Opening] 1-Way Air Vent Adjustable Aluminum Curved Blades Integral Multi-Shutter Damper HVAC Diffuser [Outer Dimensions: 15.75"W X 5.75"H] 18in diameter actual front end outer dimensions Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

actual front end outer dimensions are approximately 14 5/8" width X 8 5/8" height

Actual Filter Size – 24 3/4"w x 24 3/4" x 1"

actual front end outer dimensions are approximately 42 5/8" width X 22 5/8" height -

actual front end outer dimensions are approximately 22 5/8" width X 38 5/8" height

And One Towards The Bottom Of The Door

14" X 4" [Duct Opening] 1 Way Air Vent Adjustable Aluminum Curved Blades Integral Multi Shutter Damper HVAC Diffuser [Outer Dimensions: 15.75"W X 5.75"H] 18in diameter actual front end outer dimensions Compatible With Duct 7in Applications This sheet metal DDAG A 1212 actual front end outer dimensions are approximately 14 5 8" width X 8 5 8" height Actual Filter Size – 24 3 4"w x 24 3 4" x 1"