Capable of capturing particles invisible to the naked eye, Guardair's Absolute HEPA (High Efficiency Particulate Air) Cartridge Filter meets industry standards for HEPA air filtration - 99.98% efficiency for particles up to 0.3 microns. Ideal for working with allergens, powders, and superfine particles. Cloth pre-filter bag provides extra stage of filtration extending the life of the cartridge filter. Fits all 55 Gallon and 30 Gallon Guardair Drum Vacuums and Vacuum Generating Heads. Replacement part.

  • Pleated paper filter
  • Galvanized carbon steel cage
  • Minimum filtration: 0.3 microns @ 99.98% efficiency
  • Minimum flow rating: 370 cfm @ 3" H2O
  • Medial velocity: 10 cfm
  • Cloth pre-filter bag
  • (1) HEPA Cartridge Filter For 30/55 Gallon Vacuums
Part NumberDimensions
(L" x W" x H")
Weight (lbs)
Part Number N635H Dimensions
(L" x W" x H")
12.3 x 10.5 x 10.5
Weight (lbs) 4

Lead time: 3-5 days