Keep your RV sanitation system running smoothly with the Thetford 21-Foot Sewer Hose, designed specifically as a replacement for select Sani-Con macerator systems. This hose is not compatible with Thetfords Titan line and is intended exclusively for use with Sani-Con Turbo 400s, 500s, 600s, and 700s models. With a 1-1/2" diameter, this heavy-duty hose comes complete with a union and clamp for secure installation and reliable waste transfer. 1-1/2"" diameter for efficient waste flow Includes union & clamp for a secure connection Not compatible with Titan sewer hose systems | Thetford 21-Foot Replacement Sewer Hose for Sani-Con Macerator Systems