For showers, drinking, and cooking, this universal 67l (17.7gal)water tank mounts to the Front Runner Rack or any flat surface with ourFront RunnerUniversal Roof Mounting Brackets for UniversalWater Tank. Moulded withslotsalong the sides of the tankto accommodate tie-down straps. 67l (17.7gal) capacity. Made from food grade polyethylene and is BPA free. This tank has plasticpipe fittings andThe Water Tank Hose Kit – by Front Runnerfor this water tank is sold separately. In order to mount to Front Runner Roof Racks,you will need Roof Mounting Brackets For Water Tank / 67l/ 17.7Gal – by Front Runner.