Revolutionize your RV experience with the RV Snap Trap™, the industry’s first and only “Snap-On” P-Trap for RV sewer hoses. This innovative solution transforms any standard 3″ RV sewer hose* into a highly effective barrier against sewer gas and pesky sewer flies. Designed for convenience, versatility, and peace of mind, the RV Snap Trap™ is a must-have for hassle-free campsite living and extended gray tank valve usage.