The SW503 heavy-duty 15 litre knapsack sprayer features a dual piston/diaphragm pump- providing the benefit of achieving high pressure if required with the piston (over 6 bar)- and the safety of a diaphragm pump as well.
Fitted with Viton seals- this sprayer will last.
Other features include a wide filling port- filling strainer and pressure filtration- lance and adjustable nozzle for durability.