Which depth of HEPA air filter do I need?
Generally your choice of depth of HEPA filter will depend on the frame in which you are fitting it. There is not much difference between the depths of HEPA air filter apart from airflow and pressure drop and so, if you are making your own frame, we recommend choosing the depth of filter based on your fan specifications.
SPCB UK can supply most filter sizes and depths according to your requirements with a lead time of a few weeks. Standard depths depend on the type of filter:
Laminar Flow: 68mm, 78mm, 88mm, 110mm, 115mm - custom depths up to 125mm
Turbulent Flow: 150mm, 292mm - custom depths up to 305mm
Deep Pleat: 150mm, 292mm - custom depths up to 300mm
A High Efficiency Particulate Air (HEPA) filter is capable of filtering incredibly small particulate matter to micron sizes depending on the grade of filter. Due to the ability to remove 99.9% of particules down to 0.3 micrometers or less, including impurities such as pollen and mould spores, they are very popular within the field of mushroom growing and mycology. Many amateur mycologists make the decision to build their own equipment and are more flexible regarding their choice of filter depths. For this reason, we recommend comparing fan specifications with the technical sheets on our website at https://spcb.co.uk/air-filtration/hepa-filters
If you require more information, then do please
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