For showers, drinking, and cooking, this slim upright water tank fits inconspicuously behind the rear seat. The fact that it is of such aslim design reduces the water sloshing noise and allows it to utilise space that would usually go to waste. 40l(10.6gal)capacity. Made from food grade polyethylene and is BPA free This water tank has plastic pipe fitting located at the bottom of the cut-out. The WTAN014 for this water tank is sold seperately.