10"W X 10"H [Duct Opening] Aluminum Double Deflection Adjustable Air Supply HVAC Diffuser - [Outer Dimensions: 11.6"W X 11.6"H] Aluminum Actual Filter Size – 33

Actual Filter Size – 33 3/4"w x 27 3/4" x 1"

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

All steel wire is applied between PET surfaces to prevent corrosion (oxidization)

Outer Dimensions Are 17

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10"W X 10"H [Duct Opening] Aluminum Double Deflection Adjustable Air Supply HVAC Diffuser - [Outer Dimensions: 11.6"W X 11.6"H] Aluminum Actual Filter Size – 33+ Product Details Size 10"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 11. 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,