CAMCO RHINO BLASTER Use To Dislodge and Flush Stubborn Waste Deposits and Odor Causing Particles Left After Holding Tank is Emptied; Permanent Mount On Sewer Drainage Pipe; With Vacuum Breaker To Prevent Backflow; 45 Degree 3 Inch Bayonet Fitting To Attach To Sewer Outlet/ 3 Inch Bayonet Swivel Fitting To Attach Sewer Hose; Clear; Plastic