The Ticon 4.0-inch high-temp silicone coupler is a 4-ply reinforced coupler formed to a 90-degree angle. As a high-temp, multi-ply reinforced joiner, it supplies a right-angle connection for 4-inch ducts or pipes. The 4-ply construction is specified to give the coupler reinforced walls suitable for maintaining an angled connection under service conditions described in the product text.
Ticon Industries 4in High Temp 4-Ply Reinforced 90Deg Silicone Coupler