Straight Register Boot - 10" X 4" X 4" Round Drop Ceilings / Aluminum actual front end outer dimensions

actual front end outer dimensions are approximately 27

5mm thick vent covers are the most reliable in the industry

+ Product Details Perfect Fit & Easy Sizing - Designed for a 28" x 10" OR 10" x 28" duct opening (measured at the opening)

+PSI Chart Our copper coils are engineered with an exceptional PSI burst pressure

the second number represents the length

Straight Register Boot - 10" X 4" X 4" Round Drop Ceilings / Aluminum actual front end outer dimensions+ Product Details Size & Compatibility The size of galvanized sheet metal straight floor boot is 10" X 4" 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