2087 Series 12 VDC Automatic Demand Demand Pump with Electrical Package 3.0 GPM open flow Viton valves Santoprene diaphragm 45 PSI Demand Switch 1/2" MSPT ports Poly Housing Features: Self Priming up to 12 vertical feet (3.7m) Chemical resistant materials Can run dry without damage Rocker switch protected from the elements by a clear boot Additional features of pump with Electrical package Built-in on/off switch included 2 pin connector on power lead These new models include an aesthetically pleasing molded assembly, housing a rocker-type switch with international on/off symbols. Wiring is neatly routed into the molded assembly through form fitted entries, and strain relieved inside the housing.