50 micron first stage filter extends the life of the 5 micron final stage filter. - 115 volts at 8 amps. - 1/2 HP Marine utility pump - Garden hose connections for attachments. - Maximum discharge is 25 feet with a standard hose. - The filtration system has G.F.I. protection, running light, manual override switch and an air sensor tube. - Dimensions of the unit: 17"W x 14"L, 17"H.