Solo SO 485/D knap sack garden sprayer with a 20 litre tank capacity, diaphragm pump & 50cm spray lance. Knap sack or back pack garden sprayers can be used to disperse both feed & pest control liquid mixtures. Worn on the back you only have to use one hand to operate the machine with the trigger. The Solo SO 485/D has a manually adjustable pressure regulator. Uses 4 bar/60psi maximum spray pressure. Dry Weight: 4.3kg