The Premier 20L Knapsack Sprayer is a manual backpack sprayer designed for agricultural, horticultural, and general spraying applications. It features a durable 20-litre chemical-resistant tank, a hand-operated pressure pump, an adjustable brass nozzle for different spray patterns, and a comfortable harness with adjustable shoulder straps for extended use. It is suitable for applying pesticides, herbicides, insecticides, fungicides, foliar fertilizers, and disinfectants, providing efficient and even spray coverage for farms, gardens, orchards, and landscaping. �