Features a rugged construction, telfon coated stainless steel filter, electro-conductive plastic material, corrosion resistant and self cleaning for filtering fuels such as gasoline or diesel. Separates damaging free water and contaminates from gasoline, diesel, heating oil, and kerosene. Capable of removing free water and solids down to .005 " or .003 " and allows you to visually inspect the intergrity of your fuel supply as you re-fuel.