... : 16L Tank Material: PE Knapsack SprayerModel No: 3WBS-16JTank Capacity: 16LTank Material: PE G. W/N. W: 3.5/2.8Kg Ctn ... for the machine are resistant to acid, alkalinity and corrosion. 3) Knapsack pressure sprayer, economic, safe and efficient, with the characteristics. Of bearing ... be fitted for use in different tasks. 16L 18L 20L Knapsack Hand Sprayer