HVAC Duct Start Collar Take Off | 12" Sheet Metal Snap Together Start Collar is Compatible with 12" Duct Height_14in + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 30" x 34" OR 34" x 30" duct opening (measured at the opening)

+ Product Details Size – 32" x 34" or 34" x 32" is the size for the duct opening measurement only

Unlike other covers

It is compatible with 4" duct

Versatile Compatibility: Our ceiling grills aren't limited to just T bar drop ceilings

HVAC Duct Start Collar Take Off | 12" Sheet Metal Snap Together Start Collar is Compatible with 12" Duct Height_14in + Product Details Perfect Fit+ Product Details Size Sheet metal duct board take off start collar is 12" and it is compatible with duct 12". 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.