The Eco Portable Wash-Ware Stainless Steel Portable Sink with Foot Pump Operation by Acorn Engineering Company makes adding a new handwashing station quick and easy. This free-standing sink can be used inside or out and requires no electric or water source to operate. A simple foot pump turns water on an off. This is a self-contained system comes equipped with two 6-½ gallon tanks housed beneath the sink. One is for fresh water and the other for waste. For added security, a lock and chain can anchor the portable sink in place using two holes in the back of the unit. The Eco-Portable Wash-Ware Stainless Steel Portable Sink with Foot Pump arrives flat-packed for easy storage, shipment and assembly. Simply add the compatible faucet and it’s ready for use.