HVAC Duct Start Collar Take Off | 6" Sheet Metal Snap Together Start Collar is Compatible with 6" Duct 18" Round Duct Pipe actual front end outer dimensions

actual front end outer dimensions are approximately 52 5/8" width X 22 5/8" height -

High Strength - Closing Hatch Keeps it Locked In When Not in Use

We have the largest selection of Grilles Registers & Diffusers

+ Product Details Size & Compatibility – The 8" round quadrant volume damper is compatible with duct 8"

+ Product Details Size & Compatibility – The 5" Galvanized Sheet Metal 90 Degree Oval Vertical Angle Elbow is compatible with Duct 5"

HVAC Duct Start Collar Take Off | 6" Sheet Metal Snap Together Start Collar is Compatible with 6" Duct 18" Round Duct Pipe actual front end outer dimensions+ Product Details Size Sheet metal duct board take off start collar is 6" and it is compatible with duct 6". 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.