2 Pack RV Toilet Seal Replacement for Dometic 300/310/320 Toilets, High-Grade Flush Ball Seal Gasket Kit 385311658 - Durable Rubber, Easy Installation, Fix Leakage & Odor, for Camper/Travel Trailers

【Compatibility】 Designed specifically for RV Toilets, compatible with models: 300 / 310 /320 CAUTION: DOES NOT FIT 210, 510 or Other Models Not Mentioned 【Features】 Our seals are made of high-quality rubber blend for optimal performance and a long-lasting lifespan It is easy to replace and it keeps the water in place and the stink out 【Installation Steps】 1)Turn off water supply 2)Hold the flush ball open by depressing the flush pedal 3)Grasp the underside of the old seal and pull towards you to remove 4)Clean the rim and bowl area where the old gasket previously sat 5) Release flush pedal and allow the flush ball to close 6)Clean the flush ball 7)With the flush ball closed, put the new seal in and press outwards to ensure that it is firmly in place 8)Reopen the flush ball and spread a lubricant in the areas where the gasket will contact the flush ball 9)Open and close the flush ball several times, then press down on the gasket to ensure it is properly positioned 10)Turn on the water supply, add water to the bowl and ensure that there are no leaks

• Replace for: 385311658 RV Toilet Seal Compatible with 300 301 310 320 RV Toilet, Does not fit for 210, 510 or Other Models not Mentioned. If You are not Sure about the Fit,Please Let us Know to Confirm
• 385311658 Flush Ball Seal Kit: 385311658 Flush Ball Sealing Gasket can Effectively Solve the Odor and Leakage Problems, Keep the Water in the Toilet, Do not Smell, Suitable for RV and Trailer Toilet, to Provide You with a Clean and Comfortable Travel Environment, Make Your Life More Simple and More Convenient
• Premium Material: 385311658 Flush Ball Seal is Made of High-Quality Rubber Fully Tested by the Manufacturer to Provide Higher Efficiency, Durability, Premium Quality and Long Life
• Easy Installation: Turn off the Water Supply, Remove the Old RV Toilet Parts, and then Install the New Rubber Seal Ring in the Same Location; after Installation, Check for Leaks, Remember to Place with the Marked Side (“THIS SIDE UP”) Facing up
• Product Dimensions: Outer Diameter: 4"; Inner Diameter: 2.75"; Thickness: 0.2"