industrial oil filter cartridge, oil filter housing for car and truck

Detail

We're manufacturer for industrial oil filter and cartridge.

In order to strengthen the sealed between the chamber and closures. About the upgrade RS-50,the bolts of the sealing between the chambers and the closures are from 3pcs to 4pcs;and About the upgrade RS-85,the bolts of the sealing between the chambers and the closures are from 4pcs to 5pcs, too.