02.09.2026
Activated Carbon Cassette Filters: How Odour and Gas Removal Works
How an activated carbon cassette filter works, which gases it captures, why it saturates without any rise in pressure drop, and when it should be replaced. Contact time, humidity and the pre-filter requirement.
Read More
02.09.2026
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.
Read More
02.09.2026
Cassette Filter Sizes: Standard Dimensions, Depth and Custom Manufacturing
How cassette filter dimensions are specified, why a 600x600 filter is actually 592x592, which depths are used and when custom sizes are needed. Common measuring mistakes.
Read More
02.09.2026
Cassette Filter Prices: Why Unit Price Is Misleading
What determines the price of a cassette filter: frame material, media type, class, pleat count and quantity. Why unit price is not enough, and how annual consumption, change labour and fan energy dominate.
Read More
02.09.2026
G4, M5, F7 Filter Classes: ISO 16890 vs EN 779 Compared
What G4, M5 and F7 mean, why EN 779 was withdrawn, how ISO 16890 reports efficiency and why no exact conversion table exists between the two standards. A filter class selection guide.
Read More
02.09.2026
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.
Read More
02.09.2026
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.
Read More
02.09.2026
HEPA Filter Sizes: Standard Dimensions and Custom Manufacturing
How HEPA filter dimensions are specified, which standard sizes are common, why depth matters and when custom sizes are needed. Common measuring mistakes and how to specify dimensions correctly.
Read More
02.09.2026
HEPA Filter Prices: 7 Technical Factors That Determine the Cost
What drives the price of a HEPA filter: filter class, size and depth, frame material, seal type, media construction, individual test report and order quantity. What to know before requesting a quotation.
Read More
02.09.2026
HEPA Filter Selection Guide: Class, Airflow, Pressure Drop and Frame
How to select the right HEPA filter: filter class, nominal airflow, initial pressure drop, frame material and sealing. A practical guide for industrial applications.
Read More