Straight Register Boot - 12" X 4" X 6" Round Color_Anodized Aluminum + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 36" x 20" OR 20" x 36" duct opening (measured at the opening)

+ Product Details Perfect Fit & Easy Sizing - Designed for a 12" x 20" or 20" x 12" duct opening (measured at the opening)

easily detachable with its quick-release buckle

All of these grills have dampers

actual front end outer dimensions are approximately 24 5/8" width X 10 5/8" height

Straight Register Boot - 12" X 4" X 6" Round Color_Anodized Aluminum + Product Details Perfect Fit+ Product Details Size & Compatibility The size of galvanized sheet metal straight floor boot is 12" 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