[Central Window Cleaners]

http://cgi.ebay.co.uk/120psi-Automatic-High-Pressure-Pump-12v-Methanol-Water_W0QQitemZ380011275192QQcmdZViewItemQQptZUK_CarsParts_Vehicles_BoatEquipment_Accessories_SM?hash=item380011275192&_trksid=p3286.c0.m14&_trkparms=66%3A2%7C65%3A1%7C39%3A1%7C240%3A1318

[Pj]

Probably, although maybe bit too high pressure for what we need.
More expensive too.

Best to stick with the trade standard 75 or 100 psi Surflo or Flojet