Solo SO 473/P back pack garden sprayer with a 12 litre tank capacity, piston 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 473/P has a manually adjustable pressure regulator. Uses 4bar/60psi max. spray pressure Dry Weight: 3.9kg