The 12524 waste ball seal kit is designed for Thetford toilets and is compatible with RVs, boats, and trailers. Key benefits Improves sanitation by eliminating odors and water leaks caused by worn waste ball seals Fixes common seal issues quickly, reducing downtime and maintenance effort Helps maintain a clean, reliable toilet system for daily use Materials and durability Rubber seal for reliable sealing and long service life Brass fixing bolts included to enhance longevity and secure installation Easy installation the old seal, clean the toilet rim, and install the seal using the included brass bolts No specialized tools required; straightforward, quick upgrade What you get Includes rubber waste ball seal and brass fixing bolts for a complete replacement Use scenarios RV use: a worn seal during a road trip to stop odors and leaks and restore full toilet performance Boat use: Maintain a watertight seal on a marine head for comfortable, sanitary cruising Travel trailer: Quick replacement during camping trips to minimize downtime and keep facilities dependable Compatibility, function, and performance Specifically designed for Thetford toilets to ensure a proper fit and reliable operation Durable materials and simple installation support ongoing toilet performance in mobile environments