Concord Filters


  • longer average working life than a traditional filter
  • improved air quality
  • less drainage problems

All HEF aluminum filter bodies are chrome plated as follow :

Hight temperature degreasing

antioxidation treatment

chrome plating of the aluminum

passivation of the metal

as a result this material can withstand over 250 hours of exposures to saline mist according to the ASTM 8-117 standard .

otherwise ,as well as necessitating early element replacement ,aluminum corrosion could reduce the quality of the air its presence could cause problems with the filter drain mechanism .

the filter bodies are polyester powder coated with a textured finish to a thickness of 50 _160 microns .

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