Straight Register Boot - 8" X 6" X 4" Round Round Damper Ring + Product Details Size –

+ Product Details Size – 6" x 8" or 8" x 6" is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 28" x 8" OR 8" x 28" duct opening (measured at the opening)

+ Product Details Size – 18" x 22" or 22" x 18" is the size for the duct opening measurement only

Offers protection against all weather conditions and elements

+ Product Details Size – 20"w X 10"h is the size for the duct opening measurement only

Straight Register Boot - 8" X 6" X 4" Round Round Damper Ring + Product Details Size –+ 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