The 1-Way Lock Box FPS Transfer System is for filling any sized container with chemical concentrate or ready-to-use solution. The Lock Box model features a lockable, stainless steel mounting enclosure to protect the pump and air regulator. Compressed air powers a FloJet air pump which draws chemical from the drum or tote and dispenses it through a 15 foot discharge hose and trigger gun. This unit uses a ball valve as the on/off control for the pump.