Fitment: Compatible With Thetford Cassette Toilet Lip Seal C200 C250 C400 C500 C2 C3 and C4 models,Please note this will only fit models after June 2000.
Toilet Cassette Lip Seal Part Number: 23721
The Full Diameter is 110mm,The inner diameter is 80mm, note to check whether the size matches your model.
No. 23721 Slide Seal, Lip Seal for Waste Tanks, Toilet Cassette Tank Lip Seal, Direct replacement of the old or broken toilet cassette lip seal.
Please compare your original before buying to check if this kit is what you need.