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