How many hours do you spend welding or grinding.Two basic measurements for knowing when you need to replace Read our BRIEF on Filter Ratings here to learn more about the different filter ratings and how they relate to filtration efficiency and what it means for you. Our MobilePro fume extractor comes standard with a MERV 16 filter and an optional HEPA filter. For example: If you work with stainless steel, you will need a MERV 16 filter. The type of filter you need will depend largely on your welding process and material. What kind of welding fume filter do I need? MERV ratings start at 1 and go up to 16, depending on its ability HEPA filter: Known as the gold standard in filtration, a High-Efficiency Particulate Air filter can capture up to 99.995% of remaining particles.įilters are rated using the Minimum Efficiency Reporting.After filter: Following the main filter, the after filter is designed to capture very small particles.Main filter: These are designed to capture the majority of particulates from metalworking processes such as welding or grinding.Pre-filters can also act as a preliminary spark arrester. Pre-filter: The pre-filter captures larger particles before they reach the “paper” (a fiber weave) medium.Understanding them is key to ensuring proper maintenance of your equipment. Your fume extractor may have several types of filters and

In this article, we will explore the different kinds of filters commonly found in welding fume extractors. As many welding and grinding processes today contain carcinogenic elements, fume extractors may often have several filters to remove as many impurities as possible. They trap airborne particulates captured by your welding fume extractor. Welding fume extractor filters are a key component to protecting you from toxic welding fumes.

Fume extractor filter