March Pump Series 4 are centrifugal magnetic drive pumps which have a maximum flow of 14GPM and a maximum head of 21.5 feet. They are available in Polypropylene and Kynar materials. They are available with 1 inch inlets and 1/2 inch outlets. They use a 1/12 horsepower motor, and are available in 115V or 230V. Air Power motors are an additional option. Please email to inquiry for models not listed online for price and availability.