3.5" to 3.5" I.D. Universal 4-Ply Straight Silicone Hose Coupler Black

3.5" to 3.5" I.D. Straight Universal Silicone hose Coupler 4 layer polyester. 4 layer polyester reinforced High temperature silicone hose. Silicone is resistant to electrochemical degradation, however, are not suitable for use with oil or fuel.