Elgen's Notch Lock eliminates duct system noises and vibrations. This is done with an airtight flexible connection consisting of a fabric that attaches to sheet metal on both sides. Elgen's Notch Lock Flexible Connector attaches to a fan source on one side and ductwork on the other
SDN-SS 4" x 4" x 4" Neoprene 304STST
Elgen’s Silent Duct with Rope eliminates duct system noises and vibrations. It attaches to a fan source on one side and ductwork on the other.
- All Elgen fabrics are designed to meet NFPA-701
(formerly UL-214) - Tested in accordance with LEEDS
- Requirements Meets SMACNA
- MADE IN USA