Suggested Retail:$49. Camco - Sewer Hose Extension Kit, Sewer Hose Kit - 4.5 m, 15. Camco's Rhino FLEX 15-Foot RV Sewer Hose Kit with Rhino FLEX Hose and Swivel Fittings is a ready-to-use kit made with the toughest hose you can buy. The sturdy polyolefin is reinforced with steel wire for an ultra-tough hose. It is also collapsible, so you only have to extend as much hose as you need. This kit features a bayonet fitting with four prongs for a more secure fit. At the dump-station end we've added a transparent elbow with an easily detachable 4-in-1 adapter for connecting to 3-inch slip or 3-inch, 3-1/2-inch and 4-inch NPT threaded sewer connection. The kit also includes a storage cap for each end. The hose and fittings compress to 56-inches for storage and once the 4-in-1 adapter is removed, you can store the hose in standard 4-inch square bumpers. The hose and fittings compress to 56 inches for storage and once the 4-in-1 adapter is removed you can store the hose in standard 4-inch square bumpers.. 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 DAY STORAGE IS ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.