Lippert 4" x 3" Soft RV Sewer Sponge Ring with Rubber Donut Seal, Prevents Odors, Fits Outlets Up to 4.5" in Diameter - 2024121191

The 4" x 3" sponge ring provides a secure, leak-resistant connection when screw-in fittings aren’t available. It prevents odors and maintains a clean dump station environment. Works with standard hoses and fittings, fitting outlets up to 4.5". Flexible rubber construction ensures a dependable seal while allowing easy installation and removal.

• GAS-TIGHT SEAL – Creates a secure connection to prevent odors from escaping at dump stations
• SOFT RUBBER CONSTRUCTION – Flexible material allows a snug fit while maintaining long-lasting durability
• WORKS WITHOUT SCREWS – Ideal for connections where screw-in fittings aren’t available or practical
• COMPATIBLE WITH STANDARD HOSES – Fits most RV hoses and fittings for easy integration into your system
• FITS UP TO 4.5" OUTLETS – Ensures versatility across a range of dump station setups