The 425 p backpack sprayer from solo is a bigger size with a 15 litre tank, piston pump and 50cm spraying wand. durable, simple device made up of a piston, chamber and a pair of valves. Maintenance free, this sprayer works with compressed air. consisting of high grade uv and impact resistant plastic, this sprayer is designed do that only the chemical resistant parts come in to contact with the spraying mixture. High quality features make this sprayer reliable and easy to use in many different environments. with a large filler opening to reduce spillage. This sprayer can be used to apply both feed and pest or weed control mixtures across large areas of ground. Wide comfortable straps with one handed operation, this backpack sprayer is comfortable to use for both domestic and commercial purposes. minimal effort is required as this sprayer is fitted with a low resistance pump. With an ergonomically designed tank, it sits comfortably on the users back and minimises any discomfort during use. fitted with a manually adjustable pressure regulator, this sprayer uses 6 bar 90psi maximum spray pressure. specificationstank capacity 15 litresfill level indicator yestank material uv impact resistant high grade plasticpressure 6 bar 90 psiwand length 50cmpump type diaphragmwarranty manufacturer’s 1 yeardry weight 4.3kg