HVAC Duct Start Collar Take Off | 18" Sheet Metal Snap Together Start Collar is Compatible with 18" Duct w32h32 + Product Details Size -

+ Product Details Size - 10"w X 6"h is the size for the duct opening measurement only

The sling comes with carabiners to easily remove when necessary

Cleaning: Keep the pump and surrounding area clean and free of debris

Filter Size - 23

HVAC Duct Start Collar Take Off | 18" Sheet Metal Snap Together Start Collar is Compatible with 18" Duct w32h32 + Product Details Size -+ Product Details Size Sheet metal duct board take off start collar is 18" and it is compatible with duct 18". 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.