Description
Product Summary
The Crown Products 616KD16 is a 16-inch nested tab duct collar used to connect round flexible or rigid duct to a plenum, trunk line or duct board.
Nested tabs bend over inside the plenum to lock the collar in place, giving a quick, secure connection for branch duct runs.
Key Features
- Nested tabs: fold over inside the plenum wall for a secure mechanical attachment.
- 16-inch size: accepts 16-inch round flex or metal duct.
- Fast install: cut the hole, insert the collar and bend the tabs.
- Branch take-off: creates a clean start point for supply and return branches.
- Contractor pack friendly: a staple fitting for new and replacement duct systems.
Ideal Applications
- Plenum and trunk line branch take-offs
- Residential duct installs and repairs
- Duct board and sheet metal plenums
Frequently Asked Questions
What duct does it fit?
It fits 16-inch round flexible duct or round metal pipe.
How is it installed?
Cut a round opening in the plenum, insert the collar and fold the tabs over, then seal with mastic or approved tape.
Should it be sealed?
Yes. Seal the collar to the plenum and the duct to the collar to minimize air leakage.
