HVAC Duct Start Collar Take Off | 8" Sheet Metal Snap Together Start Collar is Compatible with 8" Duct Material_Copper [Outer Dimensions: 22

[Outer Dimensions: 22

our HVAC Access Door is versatile and easy to install

[Outer Dimensions: 16

actual front end outer dimensions are approximately 14 5/8" width X 36 5/8" height

HVAC Duct Start Collar Take Off | 8" Sheet Metal Snap Together Start Collar is Compatible with 8" Duct Material_Copper [Outer Dimensions: 22+ Product Details Size Sheet metal duct board take off start collar is 8" and it is compatible with duct 8". 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.