Thetford Titan's Proprietary TPE (Thermal Plastic Elastomer) properties provide the highest degree of puncture and abrasion resistance, and excel in extreme temperatures. Titan stands for the toughest, longest-lasting, best-value sewer hose on the market. Rugged TPE hose prevents leaks. Use alone or extend a 15' hose to 25'. ExtendGrip™ fitting.