PER EVERY 12 REVOLUTIONS.
John Dow 30-Gallon Gas Caddy, UL Listed, Portable Storage, HGC-30UL THIS STORAGE CADDY IS CONSTRUCTED FROM HEAVY-DUTY, CAST IRON PUMP WITH CARBON VANES. FEATURES A DOLLY HANDLE FOR EAST OF TRANSPORT. JOHN DOW 30-GALLON GAS CADDY, UL LISTED, PORTABLE STORAGE, HGC-30UL PORTABLE 30 GALLON UL LISTED STEEL CONTAINER FOR UNLEADED GASOLINE, DIESEL, KEROSENE OR MIXED FUELS.