Pulverisor toilet pump BP2552 For holding tanks & vacuum systems Up to 18 ltrs (4.75 US gals) per minute Virtually unblockable Self priming up to 3M (9.8ft) Can be mounted in most convenient part of boat : easy to maintain Can run dry without damage : rotatable inlet/outlet to suit installation Quiet operation : large single diaphragm : pumps a mixture of air or waste Pumps unmaccerated waste Voltage: 12V dc recommended fuse size: 15amp automotive weight:2.120kg (4.7lb) Output (open flow): 18ltrs (4.75 US gals) per minute hose connections: 38mm