Thetford Fresh-up set C-400 Toilet treatment set Used motorhomes/caravans are not always in pristine condition, with Thetford's offer, you have a 'new' toilet in a simple and inexpensive way. With the Fresh-up Set, old toilets are given a new shine. The Toilet Fresh-up Set is an easy and inexpensive way to give a used cassette toilet a new lease of life. The set includes a waste-holding tank with toilet seat and lid, which can be used to retread the toilet. You only have to pay for the waste-holding tank! Additional waste-holding tank for longer journeys? Even then, the toilet treatment set is a perfect solution. The tank fits both sides of the C400 series. Complete set consisting of: Seat with white lid Faecal waste tank with wheels