6" X 12" Mobile Home RV Floor Register Vent Grille with Back Dampers - Fixed Blades - 2 way Deflection - White 6" Round Duct Pipe + Product Details Size – 4 X 12 Is CRFG2028 Width_14in

+ Product Details Size – 16"w X 34"h is the size for the duct opening measurement only

With a 8" diameter for the duct opening measurement

7/8” - 3397 PSI

+ Product Description Upgrade your HVAC system with our 6" Round Air Vent Supply Grille

+ Product Details Size - 28"w X 14"h X 2"d (for duct opening measurement only)

6" X 12" Mobile Home RV Floor Register Vent Grille with Back Dampers Fixed Blades 2 way Deflection White 6" Round Duct Pipe + Product Details Size – 4 X 12 Is CRFG2028 Width_14in + Product Details Size – 16"w X 34"h is the size for the duct opening measurement only With a 8" diameter for the duct opening measurement