Havaco – HT0504 The Quick Connect Start Collar is UL 2043 Classified and can be used on both sheet metal and duct board trunk lines for commercial and residential projects.
Features
- High impact plastic will not dent. Seal air tight
- Double sided adhesive gasket and (4) Quick Zips for easy fastening. Attaches in seconds!
- No sharp metal tabs to bend, reduces risk of injury
