Fresh Water Reservoir Tank - 100 gallon capacity. Durable polyethylene tank. Built-in chemical shelf holds up to 5 one-gallon containers. Molded baffles inside tank decrease water movement while van is in motion. Automatic water fill shut-off. Transparent tank allows monitoring of water level. Designed to be easily mounted anywhere in the van! Convenient, multiple-acess ports ensure easy filling and draining of tank, no matter where it is mounted.