Extensions Extend the reach of your RhinoFLEX or other* sewer hose with this handy kit. Includes 5 or 10 foot RhinoFLEX hose with pre-attached swivel lug and bayonet fitting featuring a reusable locking ring so that fittings can be moved to a new RhinoFLEX hose. Patent pending. The removable 4-in-1 adapter allows you to store in 4" square bumpers. *Works with any sewer hose that has a bayonet fitting.