PS101 Foot Pump Operated Portable Sink. The Portable Sink is operated by a Foot Pump and comes standard with a 5-gallon fresh water tank and a 6-gallon waste water tank. The unit has a 22-gauge stainless steel construction, a 14-gauge oval stainless steel sink, and casters. Includes the sink cabinet with bowl/drain, supply and waste tanks, and plumbing required for foot pump hookup. F11 Gooseneck Faucet and SG1 Stainless Splash Guard with 2 Bay Paper Holder & Soap Holder.