The fragile plastic cover sticking up behind the toilet seat on your Sealant Traveler Lite toilet is the cover for the vacuum breaker. If the cover breaks, we have the replacement. Because the Sealand toilets are now obsolete, it may be prudent to get a cover as a spare. White is no longer available.  Bone shown.

This part has been discontinued and inventories are very limited. If this is right for your toilet, you will want to buy what we have immediately.

Dometic 38559