... SP-10*25, mainly used in machinery...Feature of spin-on line filter series:1) Aluminum alloy filter head2) Max. operating ... equipments in China. Our products are widely, including air filter, oil filter, water filter , auto filter, acid filter etc. ... corrosively medium for petrochemical production such as: water, ammonia, oil hydrocarbon products;2. Corrosively medium for chemical production, such as ...