Heavy-duty metal plunger shaft will not break like plastic shafts. DuPont Viton® is used for the O-ring and piston cup to provide superior resistance to the harshest chemicals, even D-limonene. Nozzle adjusts from stream to fine mist. Wide mouth opening allows for quick refills. Sprayer/Hose/Nozzle Type: Tank Sprayer; Sprayer/Nozzle Type: Adjustable; Nozzle/Sprayer Settings: Adjustable Fine Mist to Stream; Interior Volume Capacity: 2 qt.