12"W X 10"H [Duct Opening] Aluminum Double Deflection Adjustable Air Supply HVAC Diffuser - [Outer Dimensions: 13.6"W X 11.6"H] w20h20 Its removable face allows hassle-free

Its removable face allows hassle-free cleaning

polished appearance that adds elegance to any room

actual front end outer dimensions are approximately 36 5/8" width X 20 5/8" height

Actual Filter Size – 24 3/4"w x 21 3/4" x 1"

12"W X 10"H [Duct Opening] Aluminum Double Deflection Adjustable Air Supply HVAC Diffuser - [Outer Dimensions: 13.6"W X 11.6"H] w20h20 Its removable face allows hassle-free+ Product Details Size 12"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 6" width X 11. 6" height. Design Full Control Vertical Horizontal Air flow Direction. Horizontal blades in the front, Vertical blades in the back, both individually adjustable. High Quality Aluminum The premium durable aluminum will never rust and it will never wear through leaving the material with an elegant,