Filtering is necessary to remove the contaminants that the wire-EDM process leaves in the dielectric fluid. Consumables like wire EDM filters often are afterthoughts in the machining or fabrication shop, but that is a risky game to play. It may take a shift in mind set and budget planning, but whatever short-term discomfort this may cause will be far outweighed by the long-term benefits and savings. Contact us: https://ankok.com/