Fleetguard FS20000 patented spin-on doser introduces lubricity additive into the fuel. Lubricity-enhancing fuel filtration systems protect components from excessive wear, enhance fuel lubricity for the filter's life, and remove free and emulsified water. Specifications: Media Type StrataPore Largest OD 3.70 inch Additive Base SLOW RELEASE LUBRICITY ENHANCING Gasket OD 2.83 inch Standpipe NO EFFICIENCY, TWA BY SAE J 1985 98.7% FREE WATER SEPARATION 95% Thread Size 1.00 1/8-16 UN-2B Length 9.81 inch Gasket Inside Diameter 2.46 inch Seam OD 3.66 in Chemical Additive SLOW RELEASE LUBRICITY ENHANCING EMULSIFIED WATER SEPARATION 95% MICRON RATING BY SAE J 1985 5.00 micron