12" X 4" Mobile Home RV Floor Register Vent Grille with Back Dampers - Fixed Blades - 2 way Deflection - Brown Blade This versatile diffuser is adaptable

This versatile diffuser is adaptable to various airflow needs

and utility rooms

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Installation Location – Suitable for both sidewall and ceiling installation

much more than required 700 PSI for R410

12" X 4" Mobile Home RV Floor Register Vent Grille with Back Dampers - Fixed Blades - 2 way Deflection - Brown Blade This versatile diffuser is adaptable+ Product Details Size 12"w X 4"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 5" X 5. 5" wider. High Quality Extra Heavy Duty to withstand constant walk on situations. Installation Location Floor. Design Rigid gauge built for durability and long life in mind, but still light and handy. Powder Coat Finish Smooth, shiny, scratch resistant, beautiful. Looks like it was just waxed. Quality