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HEPA Filters

HEPA Filters
Jaime Graymead
July 27, 2016

HEPA Filters

HEPA Filters are installed where the highest level of air filtration is required in applications suxh as clean rooms, operating theatres, research facilities, the electronics industries, nuclear and pharmaceutical industries.

The filtration medium is provided by microfine glass fibres formed into a paper-like surface, supplied in various grades depending upon filtration efficiency required. The filter paper is formed into a close pleated package to provide a large surface area.

Grade

Overall Efficiency

Local Value Efficiency

Suggested for ISO 14644 : 1999

H11

95%

H12

99.5%

ISO Class 8

H13

99.95%

99.75%

ISO Class 6

H14

99.995%

99.975%

ISO Class 5

U15

99.9995%

99.9975%

ISO Class 4

HEPA Styles

Airclean have been manufcaturing Deep Pleat style air filters for over 30 years.  Deep Pleat HEPAs are now considered as the “Old Fasioned” style of HEPA filter in the industry, however there is still market demand for this product due to its unique capabilities.

Mini Pleat and Wedge HEPA Filters are the more modern style of HEPA filters and are available in all HEPA Filter Grades.

HEPA cassette filters are a complete disposable unit including a rear mounted spigot offering an economical alternative to a HEPA Terminal Housing.

Lead Time

HEPA filters are generally available on a 2-3 week lead time.

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