The filter cartridge acts both by absorption and adsorption in a continuous recycling process. The long fibres of the cartrodge's paper attract the water - formed
through the combustion process - and absorb it like a sponge, at the same time rejecting the large oil molecules which are forced to pass between the tight windings
of the cartridge. As the oil passes through the cartridge, minute carbon, wear metal, and silicon particle are extracted from the oil by adhering to many surfaces
of the filter - a process known as adsorption. By removing this water, the cartridge inhibits the production of acids, which both degrade the oil and cause excessive
wear on machinery. The simultaneous removal of minute contaminants as they occur, enable the life span oil to be extended within its original operating specification.
While the filter is extracting the water and contaminants it is continuously safeguarding the desirable elements compounded within the actual oil in use. These typically
include, dependent on use, dispersants, detergents, oxidation and rust inhibitors, metal de-activators, pour-point depressants, VI improvers, lubricity agents, fungicidal,
anti-foaming and gelling additives. These additives are held in suspension and their levels can be critical if the oil is to maintain its beneficial effect.