Ticon Industries 3″ Silicone Couplers are constructed from 4-Ply Reinforced High Temperature Silicone for heavy duty applications with a 150 PSI maximum working pressure they can be used for all of your tubing coupler needs. Our black, logo-less design gives you a discrete OEM look with all of the added performance benefits! (Sold as Single Coupler) Part #: 131-07603-0401