The light, compact oil filtration solution. The Fulflo FPM Vessel Series of Single Cartridge Oil Filters is designed for high efficiency and economical operation in oil reclamation and maintenance applications. The compact, lightweight design makes the FPM vessel series easy to mount on equipment and on the floor to conserve space. A patented safety-latch design prevents inadvertent separation of the head from the shell in the event of improper venting prior to clamp removal.