Camco Rhinoflex Sewer Hose Kit. 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 we've added an easily detachable 4-in-1 adapter for fitting to 3" slip or 3" 3-1/2" and 4" threaded pipe. It's a ready-to-use kit made with the toughest hose you can buy. With pre-attached fittings. Specifications for Camco Rhinoflex Sewer Hose Kit: Manufacturer: Camco Additional Features: Hose Kit No Length: 21 in Weight: 3.42 lb Width: 10.3 in Height: 7 in Package Contents: Camco Rhinoflex Sewer Hose Kit