ATEX HEPA Cartridge Filter Set Part Number: N635HATEX

Capable of capturing particles invisible to the naked eye, ATEX HEPA (High Efficiency Particulate Air) Cartridge Filter meets industry standards for HEPA air filtration by providing filtration of 0.3 microns @ minimum of 99.97% efficiency. Ideal for working with allergens, powders, and superfine particles. Grounding strap provides electrical continuity for ATEX compliance.  Cloth Pre-Filter Bag provides extra stage of filtration extending the life of the cartridge filter. Fits Guardair ATEX 55 and 30 Gallon Drum Vacuums.