GARVIN 44002 Rotopax Mount, 3-Gallon Gas or 2-Gallon Water, Trail Rack 44000 Attach a Rotopax can and LOX Pack Mount to JK Trail Rack. Will accept either a 3-gallon gas or 2-gallon water Rotopax can. Each kit includes one mount. Add a kit to each side for extra capacity. Rotopax cans and LOX Pack Mounts are required and sold separately.