Oil filter unit with quick-drain valve actuator
Oil filter with turn attachment
Oil filtration vessel
Oil pan with built-in filtering element
Oil pump inlet screen assembly
Oil pump inlet screen assembly
Oil recovery mop
Oil separator
Oil slick removal/recovery apparatus
Oil strainer for a gas turbine engine
Oil/water purifying apparatus
On-line closed-vessel circulating filter for edible cooking oils
One-piece molded filter
Oval centerpost and cooperating filter cartridge
Oval centerpost and cooperating filter cartridge