12"W X 12"H [Duct Opening] Aluminum Double Deflection Adjustable Air Supply HVAC Diffuser - [Outer Dimensions: 13.6"W X 13.6"H] Color_R-8.0 Pink The integral multi-shutter damper with

The integral multi-shutter damper with a convenient handle operator ensures that you can easily adjust the air volume

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

+ Product Details Size - 14"w X 4"h is the size for the duct opening measurement only

Actual Filter Size – 23 3/4"w x 33 3/4" x 1"

12"W X 12"H [Duct Opening] Aluminum Double Deflection Adjustable Air Supply HVAC Diffuser - [Outer Dimensions: 13.6"W X 13.6"H] Color_R-8.0 Pink The integral multi-shutter damper with+ Product Details Size 12"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 6" width X 13. 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,