The Draper Knapsack Pressure Sprayer is a 12-litre backpack sprayer designed for efficient application of liquids across a range of outdoor tasks. This high-performance unit features one-piece blow moulded construction for reliable, leak-free operation, making it ideal for pest control, weed treatment, and general plant care applications. Built from translucent high-density polyethylene, the sprayer allows you to monitor fluid levels at a glance whilst delivering excellent chemical resistance and durability. The adjustable padded shoulder straps provide comfortable portability during extended use, whilst the ergonomic backpack design distributes weight evenly to reduce operator fatigue on larger jobs. The unit is equipped with a high-performance pump and safety pressure release valve for secure, controlled operation. A 1.5-metre hose and fibreglass lance with adjustable spray pattern tip offer versatility and reach, allowing you to tailor the spray delivery from fine mist to concentrat