This is Husqvarna's Genuine Husqvarna 4G Sprayer O-Ring Kit
Part #: 596 94 65-01 Backpack Service Kit
Contents: Reservoir / Chamber O-ring, Piston O-ring, Pump Gasket, Viton Check Valve, Tank Grommet
For: 4 Gallon Backpack (Manual Pump)
This is Husqvarna's Genuine Husqvarna 4G Sprayer O-Ring Kit
Part #: 596 94 65-01 Backpack Service Kit
Contents: Reservoir / Chamber O-ring, Piston O-ring, Pump Gasket, Viton Check Valve, Tank Grommet
For: 4 Gallon Backpack (Manual Pump)