6" X 12" Mobile Home RV Floor Register Vent Grille with Back Dampers - Fixed Blades - 2 way Deflection - White 6" Round Duct Pipe Actual Filter Size – 33 Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

Actual Filter Size – 33 3/4"w x 15 3/4" x 1"

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

Actual Filter Size – 7 3/4"w x 29 3/4" x 1"

+ Product Details Size - 8"w X 4"h is the size for the duct opening measurement only

With a 8" diameter for the duct opening measurement

6" X 12" Mobile Home RV Floor Register Vent Grille with Back Dampers Fixed Blades 2 way Deflection White 6" Round Duct Pipe Actual Filter Size – 33 Compatible With Duct 7in Applications This sheet metal DDAG A 1212 Actual Filter Size – 33 3 4"w x 15 3 4" x 1" + Product Details Size 28"w X 14"h X 2"d (for duct opening measurement only)