Bianco BIA-PDG150T submersible sewage grinder pump 50 lpm 50 m head 1100 watt 415vBianco BIA PDG150T submersible sewage grinder pump 50 lpm 50 m head 1100 watt 415v High pressure The pump is a positive displacement grinder pump with a heavy duty cutter and cutter ring used to treat unstrained waste waters in "low" flow, high head applications Benefits: Cast iron pump body for durability under harsh conditions Heavy duty silicon carbide mechanical seal Cutter with cutter rings cuts solids to smallest possible size to reduce clogging