A good choice for cruisers seeking to augment their boats freshwater storage capacity or for primary water storage on smaller boats. Tanks are flexible, light and form fitting—which makes them ideal for location in forepeaks or under a settee. Inlet and outlet fittings are supplied loose, which enables location anywhere on the tank you wish. A valve for ventilation comes preinstalled on each tank.Material: PVC tank and fittingsPort Sizes: 1 1/2" straight inlet, 5/8" straight outlet for hoseVent: Preinstalled valveWarranty: One year