8"W X 8"H [Duct Opening] 4-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 9.75"W X 9.75"H] 6" Diameter The included eight-tumbler lock and

The included eight-tumbler lock and supplied key provide secure access

Please check the measuring guide to ensure a proper fit

Actual Filter Size – 25 3/4"w x 35 3/4" x 1"

high-impact plastic to provide reliable and long-lasting protection for your thermostat

+ Product Details Size - 30"w X 4"h is the size for the duct opening measurement only

8"W X 8"H [Duct Opening] 4-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 9.75"W X 9.75"H] 6" Diameter The included eight-tumbler lock and+ Product Details Size 8"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are 9. 75" width X 9. 75" height. Design Individually adjusting curved blades for better air flow control. 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 luxurious touch to any home. Carefully