This Zee Line rotary chemical and biodiesel pump is ideal dispensing aggressive chemicals, including chlorinated solvents, aromatic and aliphatic hydrocarbons. Also works for biodiesel and vegetable oil. Oz. Per Crank 8. Ryton plastic rotary pump with Viton shaft seal and Teflon flange seal Ideal for strong chemicals, including chlorinated solvents, aromatic and aliphatic hydrocarbons, antifreeze, windshield washer fluid, methanol, benzene and diesel fuel Also works for biodiesel and vegetable oil Dispenses 8 oz. per revolution Includes bung adapter