Johnson Pump Macerator Pump TA3P10-1907 12V. A rotary cutter shreds waste before it is pumped into or out from the holding tank. The pump should be connected as close as possible to the holding tank discharge outlet or the bowl discharge outlet. Features of Johnson Pump Macerator Pump TA3P10-1907 12V: Macerator Pump TA3P10-1907 12V Pump Rotary cutter shreds waste before it is pumped into or out from the holding tank Included Accessories: Macerator Pump TA3P10-1907 12V Documentation Package Contents: Johnson Pump Macerator Pump TA3P10-1907 12V Johnson Pump 10-24453-01: Macerator Pump TA3P10-1907 12V