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General List of
Contaminants removed by
Koby Vacuum Pump
In-Line Air Filters/Purifiers
(VP Series)
Contaminants Initial Removal Efficiency % of Carbon Weight
Adsorbed for Individual
Contaminants1
Oil Mist 99.99% 50 - 60%
Oil Aerosols 99.99% 50 - 60%
Oil Vapors 99.9% 50 - 60%
Hydrocarbon Vapors 99.99% 50 - 60%
Moisture Droplets 99.99% 30 - 50%
Dust To 0.5 microns N/A
Dirt to 0.5 microns N/A
Pipe Scale to 0.5 microns N/A
Rust to 0.5 microns N/A
Fine Particles to 0.5 microns N/A
Odors Until Noticeable N/A
Organic Solvent Vapors Until Noticeable 15 - 45%
Trace Organic Gases Until Noticeable 15 - 45%
Toxic Vapors Until Noticeable 15 - 45%
Mercury Vapors See Mercury Removal N/A
Water Vapor Limited2 30 - 50%
Bulk Liquid Water Not Removed N/A
Bulk Liquid Oil Not Removed N/A

Note: - List of contaminants above apply only to M1N, M2N, KF2, and DF0.

1. If more than one contaminant is present in airstream, the percent of carbon wight adsorbed for individual contaminants will vary.
2. Koby air Purifiers will no lower the dewpoint, but will remove enough water vapor to help prevent the formation of condensates at point of air use. Desiccant adsorbents are available to provide outlet pressure dewpoints to -100°F.
N/A - not applicable

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