10" x 10" [Duct Opening] Ceiling Supply Diffuser Vent Cover – 4-Way Airflow with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 13" x 13"] Compatible With Duct 7in + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

+ Product Details Size – The size 30-gauge stick-on collar is 4" and it is compatible with duct 4"

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Made with gypsum sheetrock for a seamless finish

you can easily cut or trim them to fit your air vents with utmost precision

+ Product Details Size – Size - 45mm

10" x 10" [Duct Opening] Ceiling Supply Diffuser Vent Cover – 4 Way Airflow with Full Aluminum Frame, Back Blades & Opposing Blade Lever Damper [Outer Size: 13" x 13"] Compatible With Duct 7in + Product Details Size – Compatible With Duct 7in Applications This sheet metal DDAG A 1212 + Product Details Size – The size 30 gauge stick on collar is 4" and it is compatible with duct 4" hp birdscreen popup link { border: 0