4" Circular Round Plastic HVAC Supply Grille Air Diffuser -Vent Duct Cover [Outer Dimensions: 6"] w34h34 Transform your space's exterior with

Transform your space's exterior with our reliable and stylish louvers today

+ Product Details Size – 16"w X 16"h is the size for the duct opening measurement only

Refrigerant - 1/2" White Insulation - 50' Long

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

This versatile diffuser is adaptable to various airflow needs

4" Circular Round Plastic HVAC Supply Grille Air Diffuser -Vent Duct Cover [Outer Dimensions: 6"] w34h34 Transform your space's exterior with+ Product Details Size 4" Diameter is the size for the duct opening measurement only, actual front end outer dimensions are 6" diameter. Design Made of strong durable ABS plastic, will last forever & never rust. Easy removal for cleaning. Airflow Improved airflow dynamics long neck bBody reduced noise design integrated spring fasteners. Easy Installation Just pop the diffuser right into the wall duct hole and the side springs will hold it right into