Pump Oil, 21oz. Bottle (ISO 68)
This is compatible with CoolZoneUSA industrial-strength portable systems (e.g.: WorkZone, ComercialZone, SportsZone).
Pump oil is required for regular maintenance of all pumps, all portable pump units, and the Cool Caddie™.
To maintian pump warranty, it is necessary to change the oil after the first 50 hours of run-time, and then every three months.