Thetford C400 Cassette Toilet with Electric Flush RH - With DoorThetford toilets are a fully self contained toilet system that can be built into the bathroom of caravans, motorhomes, narrow boats or any type of recreational vehicle. A Thetford cassette toilet is constructed of high quality plastic and consists of two sections, a permanently installed toilet system and a slide out waste holding tank located within the toilet. This is removed for emptying from outside the vehicle through a small service hatch. A