Air Filtration

Z-Type (Zigzag) Cassette Filter vs Flat Panel Filter: What Is the Difference?

What separates a Z-type pleated cassette filter from a flat panel filter? Media area calculation, pressure drop, dust holding capacity, service life, and when a flat panel is still the right choice.

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Can a HEPA Filter Be Washed? Cleaning, Service Life and Common Myths

Can a HEPA filter be washed, vacuumed or cleaned with compressed air? Why glass fibre media cannot be cleaned, what "washable HEPA" products actually are, and the maintenance strategy that works.

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What Is a Cassette Filter? Construction, Classes and Applications

What a cassette filter is, how it works, which classes it is made in and where it is used. Media types, frame materials, Z-type pleated construction and its role as a pre-filter.

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