Duct Start Collar Take Off | 20" Sheet Metal Snap Together Start Collar is Compatible with 20" Duct return filter For 10" duct opening

For 10" duct opening

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+ Product Details Size – 12"w X 8"h is the size for the duct opening measurement only

With crimped ends for easy fitting and secure connection to consecutive duct joints

Duct Start Collar Take Off | 20" Sheet Metal Snap Together Start Collar is Compatible with 20" Duct return filter For 10" duct opening+ Product Details Size Sheet metal duct board take off start collar is 20" and it is compatible with duct 20". Premium Quality Our products are made of high quality galvanized sheet metal with crimped ends (snap lock design) for easy fitting and secure connection. Made in the USA. Applications The snap collar duct board fitting is used as a main duct or plenum; a starting collar is installed for attaching a straight or split fitting for the ducts.