Iwata-W400WB - 1.6mm Water Based Gravity Spray Gun. W400 WB MANUAL SPRAY GUN PRO KIT (13241124) Transfer efficiency up to 65%. (WB1 air caps). Extra air valve for colour fading, Comes complete with cleaning brushes and spanner. Air pressure:- 1.8bar Air consumption:- 230Nl/min Fluid output:- 90ml/min pattern width:- 230mm Width:- 380g.