7. End Disc To keep unfiltered oil from leaking into the center tube, a fiber or metal end disc is bonded to each end of the filter medium. Some brands forgo discs and use a sealant to create solid ends.
7. End Disc To keep unfiltered oil from leaking into the center tube, a fiber or metal end disc is bonded to each end of the filter medium. Some brands forgo discs and use a sealant to create solid ends.