16L Elgon Magnar Knapsack Series: - Tank Size 20L A) 2 Telescopic Lances : Brass/Steel & Steel/PVC B) 4 Nozzles - For Different Spray Requirements Various Spray Nozzles are optional Depending On Target Pests/Diseases. C) Ergonomics Design - BackPad Support - The Tank Is Fit For Back Mounting D) Operates With a Piston Pump to Allow Easy Operation. E) A Trigger Switch to Allow Flexible & Non- Leak Operation As Spot/Continual Spraying F) Corrosion Resistance Material