Quality constructed and great value. Tote-N-Stor portable waste transporters provide you with the added waste water storage for those long stays without moving your RV. The larger 25 gallon model add capacity, along with the convenience of a storage compartment for those commonly needed fittings used to connect or drain your portable tank. These tanks can be used in conjunction with both grey and black water holding tanks. The 25 gallon tank comes with 36 inches of 3 inches drain hose, 1 hose clamp and a tow bracket as standard accessories.