Hydropass filter system prevents blocking of the inlet and allows the user to pump water at all times, regardless of the debris encountered. Pumps more than 2000Ltr/hr and up to 1000Ltr on 1 x M12 6.0Ah battery. Suitable for emptying trenches, storm drains, outside meter boxes, rain barrels and various other applications. Submersible up to 85cm, and allows users to easily pump large puddles of water with a max head height of 4.5m. 3/4" BSPT thread outlet allows for connecting 19mm (inner diameter) hoses for maximum volume movement. This pump is suitable for, white, grey and black water only. Flexible battery system: works with all Milwaukee M12 batteries. Pumps up to 34Ltr/min 4.5m Max. Head Height Trigger Switch Aluminium Impellor Fuel Gauge Displays Remaining Charge Does Not Include Battery or Charger Pumps up to 34Ltr/min 4.5m Max. Head Height Trigger Switch Aluminium Impellor Fuel Gauge Displays Remaining Charge Does Not Include Battery or Charger