HEPA FILTER (filterclass H13)

To get the best clean air conditions — eliminating all risks: viruses, pests etc. Cannabis-Drying.com  uses two types of filters: a HEPA filter and a filter pad.

The High Efficiency Particulate Air (HEPA) filter is made of micro-glass fiber sheet, meeting the highest European and U.S. standards. HEPA filters are used for specific clean cells in hospitals, pharmaceutical, nuclear and micro-electronics industry. So, they are suitable for medical and recreational cannabis. It filters out:

  • Mold
  • Bacteria
  • Mildew
  • Virusses
  • Pests
  • Pollen
  • Exhaust gasses


Properties of a HEPA filters:

The H13 HEPA Filters of Cannabis-Drying.com filter particulate matter of less than 1 micron = 1μ= 0.001mm to 99.95%.

  • Consistent high performance.
  • Large filter surface.
  • Low energy consumption, thanks to smart pleating methods.
  • Proven quality, in cleanroom environments in hospitals, the pharmaceutical industry and the micro-electronics industry.
  • Filtering category ePM1 according to ISO 16890.
  • Filters particulate matter of 0,3 ≤ x ≤ 1.
  • Filtering category H13, filtering ePM1 99.95%.
  • Size of the frame: 600x800x45 mm (23.5 x 31 x 1.8”).
  • Robust extruded aluminum frame.

Filters all air before it reaches the cannabis and when the air leaves the cannabis. This  ensures the cannabis remains in a cleanroom environment.

How the HEPA Filter is used?
  • As the bottom layer of a sandwich unit.
  • Perfectly designed to stack 2 piles of Canna-Trays on it.
  • As the top layer of a sandwich unit.



Each Sandwich unit has 2 layers of filter pads. Both are right above each HEPA filter layer (bottom & on top).

How the Filter Pad is used?

At the bottom, any plant material that comes loose off the cannabis during the drying (& curing) process are collected.

On the top of the sandwich, it protects the HEPA filters against dust.

Filter pad