Easily removable oil filter attachment

Electrically grounded filter plate

End cap coupler system for linking one filter cartridge to anoth

Filter

Filter and bypass valve arrangement

Filter apparatus

Filter assembly having quick connect/disconnect sealing valve me

Filter bag carrier with filter seal profile

Filter bag sealing device

Filter bag with integral agitator

Filter bag with removable ring and handle and method of assembly

Filter cap with releasable filter element

Filter cartridge

Filter cartridge for sump cleaner

Filter cartridge having internal liquid trap

Filter cartridge retention system

Filter cartridge with back structure defining a weir

Filter cells providing lifting means and related methods

Filter cells providing lifting means and related methods

Filter device