End Register Duct Boots - 12" X 4" X 7" Round End Center is Compatible with Duct 7" return grille + Product Details Size -

+ Product Details Size - 20"w X 34"h X 2"d (for duct opening measurement only)

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+ Product Details Perfect Fit & Easy Sizing - Designed for a 6" x 18" or 18" x 6" duct opening (measured at the opening)

Actual Front End Outer Dimensions Are 14" Width X 8" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

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

End Register Duct Boots - 12" X 4" X 7" Round End Center is Compatible with Duct 7" return grille + Product Details Size -Working Accordion + Product Details Size & Compatibility The size of a boot register end is 12" X 4" X 7" galvanized floor boot end center 26 gauge, compatible with duct 7" Superior Quality Made in the USA. Our end register boot is made of high quality galvanized sheet metal, ensuring durability and a secure connection to consecutive duct joints Applications Solid stamped steel with counter sunk screw holes (screws included) and no sharp edges.