Delavan 7802 PowerFLO Electric Diaphragm Pump (Bypass) with Quickattach
Delavan 2.2 GPM PowerFlo Flex Series Diaphragm Sprayer Pump at Tractor Supply Co.
Amazon.com: Delavan 7812-201-SB PowerFLO Electric 12 VDC Diaphragm Pump with Demand Switch, Max Fluid Temperature of 140 Degree F, 60 PSI and 2 GPM : Industrial & Scientific