Rhinoflex, RV Sewer Hose Kit, We Started With A 15' Rhinoflex Sewer Hose & Pre Attached Specially Engineered Fittings To Make It Even More Convenient For You, At The RV End Of The Hose, There Is A Super Tough Bayonet Fitting With 4 Prongs For A More Secure Fit, At The Dump Station End, An Easily Detachable 4 In 1 Adapter For Fitting To 3" Slip Or 3", 3-1/2" & 4" Threaded Pipe, Ready To Use Kit Made With The Toughest Hose You Can Buy, With New Pre- Attached Swivel Fittings Featuring A Reusable Locking Ring So That Fittings Can Be Moved To A New Rhinoflex Hose, Bayonet Cap & Elbow Cap Also Included.