12" X 4" FLOOR REGISTER WITH LOUVERED DESIGN - FIXED BLADES RETURN SUPPLY AIR GRILL - WITH DAMPER & LEVER - BROWN 18" Diameter Our coils have a very

Our coils have a very high PSI burst pressure

guaranteeing efficient ventilation throughout your space

+ Product Description This aluminum flex duct is intended to be used in heating

4" X 10" Is The Size For The Duct Opening (floor/vent hole) Measurement Only

12" X 4" FLOOR REGISTER WITH LOUVERED DESIGN - FIXED BLADES RETURN SUPPLY AIR GRILL - WITH DAMPER & LEVER - BROWN 18" Diameter Our coils have a very+ 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. 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 Packaging Carefully shrink wrapped with cardboard backing to prevent damage