????Fitment:Our flush ball seals / flush ball gaskets are a perfect fit for Dometic (TM) 300, 310 and 320 RV, motorhome and trailer toilets. These flush ball seals replace Dometic (TM) flush ball seal kits # 385311658. DOES NOT FIT MODELS: 210, 510 or Other Models Not Mentioned.
????High Quality:Our valve seals are made from a high-quality, appliction-specific rubber blend for optimal performance and a long-lasting lifespan. SAVES MONEY: Don't need to go out and buy a new toilet or pay an arm-and-a-leg to change the seal!
????Outer Diameter: 4 Inch(100mm); Inner Diameter: 2.75 Inch(70mm). QUNSUN replacement dometic toilet ball seal is soft, firm enough to seal properly. Notice: Any use of Dometic Brand or model name is used solely to describe & illustrate compatibility of our product.
????Easy installation: without taking the whole toilet apart,only been in place a few minutes. Just popped the old seal out (no disassembly required of toilet) and put the new flush ball seal in place ensuring it's seated in fully. Anyone Can Do It & It Takes Only Minutes To Install With Our Step By Step Guide!
????2 PCS rubber flush ball seals, 1 YEAR WARRANTY & Lifetime customer service. If you have any concerns or questions, please get in contact with QUNSUN customer service.