We are happy to share our knowledge - this guide section contains many topics about welding fume filtration and filter technology. Summarized briefly and easy to understand.

February 02, 2026 | yourfilter GmbH:
How do I dispose of used, contaminated filters?
Filter systems are crucial for clean air in production and workshop areas. To ensure they work reliably and comply with legal requirements, regular maintenance is mandatory. We explain the key points – and how yourfilter supports as a maintenance partner. Read more
April 06, 2022 | yourfilter GmbH:
How do I dispose of used, contaminated filters?
Conscientious operations managers ask themselves this question and are in contact with their local waste disposal providers. We offer tips and advice on how to handle contaminated filters to avoid fines and protect employees. Read more
December 20, 2021 | yourfilter GmbH:
"Filter system? I don't need one."
This or something similar is how some of our potential customers respond during so-called “cold calls” in sales. Why this answer always surprises us, you can read in the new yourfilter BLOG. Read more
October 07, 2021 | yourfilter GmbH:
PTFE or polyester fleece?
There are two typically used filter materials in filter cartridges. What is the difference? Read more
September 13, 2021 | yourfilter GmbH:
The different filtration types
In welding fume filtration, two different filtration types are distinguished: surface filtration and depth filtration. Read more
August 16, 2021 | yourfilter GmbH:
Save money on filter replacement
Replacing a filter is labor-intensive and often expensive – understandably, every operations manager wants to save money here. How is this possible without compromising employee protection? We have three tips for you. Read more
July 18, 2021 | yourfilter GmbH:
When is filter replacement sensible?
Why and when do filters need to be replaced? Why is filter replacement not only expensive but often sensible? And why do cleanable filters make sense? Read more
June 2, 2021 | yourfilter GmbH:
Filter classes in the welding fume area - Part 3
Filter cartridges and filter plates are cleanable filters with often very long service life. Different filter classes apply here. This BLOG article provides information on which is the right one for filter systems that separate welding fumes. Read more
May 10, 2021 | yourfilter GmbH:
Filter classes in the welding fume area - Part 2
In the last BLOG, we dealt with the somewhat “coarser” filter classes and standards. This part covers the standard for particulate filters. While the old filter standard classified the “coarser” filters as G1-F9, here you find filter classes from E10 - U17. Readmore
April 28, 2021 | yourfilter GmbH:
Filter classes in the welding fume area - Part 1
Very well known and still often used are filter classes of the standard DIN EN 779:2012: G1-G4 (coarse dust filters), M5-M6 (medium dust filters), F7-F9 (fine dust filters). This classification was replaced at the beginning of 2017 by the standard DIN ISO 16890. Read more
March 8, 2021 | yourfilter GmbH:
Welding fume filtration - the different filter types
Generally, four (main) filter types can be defined: pre-filters, main filters, filter cartridges, and filter plates. Pre-filters: In many filter systems, there are two or three filter stages. Pre-filters usually form the first filter stage. Read more