spin-on line filter series includes SP-06*10, SP-06*25, SP-08*10, ... , SP-10*25, mainly used in machinery... spin-on line filter series includes SP-06*10, SP-06*25, SP-08*10 ... -10*25, mainly used in machinery...Feature of spin-on line filter series:1) Aluminum alloy filter head2) Max. operating pressure : 0 ... that 100% money back guarantee in 60 days spin-on line filter series