The JohnDow Fuel Chief Pro series, No. FC-P30, No. FC-P30-A and No. JDI-25GC-E85, portable gas caddies are engineered to simplify fuel tank and fuel pump service while maintaining safe transfer and storage of fuel. Each unit comes equipped with an integrated filter system that automatically filters fuel for optimum cleanliness. Spin-on filters can be replaced with 1, 10, 03 30 micron filters.