Straight Register Boot - 8" X 6" X 4" Round w34h34 9% Pure Copper)

9% Pure Copper)

+ Product Details Perfect Fit & Easy Sizing - Designed for a 10" x 18" or 18" x 10" duct opening (measured at the opening)

Rigid Design - Noise Free Components - No Vibrating Louvers Etc

Actual Front End Outer Dimensions Are 11

+ Product Details Size - 8"w X 6"h is the size for the duct opening measurement only

Straight Register Boot - 8" X 6" X 4" Round w34h34 9% Pure Copper)+ Product Details Size & Compatibility The size of galvanized sheet metal straight floor boot is 8" X 6" X 4". It is compatible with 4" duct Superior Quality Made in the USA. Our straight register boot is made of high quality galvanized steel metal for durability and rust prevention. Applications The straight boot is used for the transition from round pipe or insulated flex duct to register or grille + Product Description If you are looking for a good