See How Easy It Is To Install RV Snap Trap STOP SEWER ODORS BEFORE THEY TRAVEL BACK TO YOUR RV STOP SEWER ODORS BEFORE THEY TRAVEL BACK TO YOUR RV RV Snap Trap creates a water-sealed P-Trap in your sewer hose to help block odors, sewer gases, and flies while gray water continues to drain CREATE A BARRIER BETWEEN YOUR RV AND THE SEWER CREATE A BARRIER BETWEEN YOUR RV AND THE SEWER When your RV gray tank is left open, odors, gases, and sewer flies can travel back through the hose. RV Snap Trap creates a water-filled low point that helps black them from reaching your RV. WITHOUT RV SNAP TRAP: Water drains out but odors, gases, and flies can travel back. WITH RV SNAP TRAP: Water drains freely, while the P-Trap block odors, gases, and flies. ENJOY FULL HOOKUP CONVENIENCE WITHOUT WATCHING THE GRAY TANK ENJOY FULL HOOKUP CONVENIENCE WITHOUT WATCHING THE GRAY TANK Leave your gray tank valve open and let sinks, showers, dishwashing, and laundry drain continuously while RV Snap Trap helps maintain a water-sealed barrier in the hose. Helps Block Sewer Odors Say goodbye to unwanted sewer smells. The RV Snap Trap helps block odors and gases before they can travel back through your RV sewer hose. Helps Keep Sewer Flies Out Keep sewer flies where they belong. RV Snap Trap creates a water barrier that helps stop flies from moving back toward your RV drains. Keeps Gray Water Flowing Enjoy showers, laundry, dishes, and full hookup living without constantly watching tank levels or stopping to dump gray water. Easy Snap-On Installation Snap it on and get camping. RV Snap Trap installs in seconds on most standard 3-inch RV sewer hoses with no tools, adapters, or hassle.