The Chapin Pro-Series 64800 Knapsack Sprayer is used mostly for powder fungicides, due to the diaphragm design it is more forgiving than piston due to powders abrasiveness.

Features:
* Best value application performance
* Low arm effort required
* No Leak Seal—10 cm opening
* Resistant seals for herbicides
* Pump lever for fitting to either left or right
* Clamping holder for the spray wand
* Long CLEAR hose for greater reach
* Container ergonomically shaped for operator
* Wide padded comfortable straps
* Stable container frame

Specifications:
* Pump Type: Diaphragm for Wettable Powders
* Weight Kg: 4.2 Kg
* Capacity: 15.1 Litre
* Max Pressure: Up to 6 Bar
* Wand: Plastic
* 3 Stage Filters: Standard
* Pressure Relief Valve: Standard