This larger automatic Shurflo 12V spray pump has an open flow rate of 11.4 L/Min. Viton and Santoprene combination of diaphragms and seals make it an ideal pump for most ag chemicals. A flow rate of 11.3 L/Min at 45 psi, makes it a good pump for nozzles demanding larger flows. 12v DC with a maximum Amps draw of 10 Amps, with a suction lift of up to 2 metres. 1/2" male BSP inlet and outlets must be fitted with 1 x 1/2" barbed straight connector and 1 x 1/2" barbed elbow connector (supplied) . Suitable for intermittent use only.