<h1>Choosing the Right Fume Extractor: Slower is Better</h1>

If you’re using a fume extractor or deciding which one to buy, there are several key factors that are important. Obviously, you want a unit that has the proper filters to effectively remove the fumes you’re concerned about. And it’s usually good to also have a HEPA filter to trap any particles that might be floating around, as most of those particles are hazardous and tend to carry fumes on their surfaces, too. One thing, however, that you may not want or need to pay for is extra powerful intake speed in CFM (cubic feet per minute) since a higher speed isn’t usually necessary and can actually work against you.

 

Some fume (and odor) extraction manufacturers advertise high intake speeds, but the truth is, for a carbon filter-based fume extractor, faster airflow doesn’t mean better fume removal because how well the carbon removes the fumes depends greatly on how much time the air spends in contact with those carbon granules or pieces. Which means that, more often than not, a slower intake speed of 200-250 CFM is actually better and helps the air spend more time in contact with the carbon in the filter and naturally does a better job of removing hazardous chemicals. Welding, solder fume extractors, and well as laser fume extractors all perform much better with slower intake speeds.

 

A good example of this is Electrocorp’s LD 450 Fume Extractor. It’s intake speed is 250 CFM and it’s a very effective portable fume extractor because it has a super high-quality 40 pound carbon filter and runs at a slower intake speed-—plus it includes a HEPA filter for added air cleaning, dust removal, etc. That said, you can buy a higher intake speed fume extractor or one that is adjustable to higher speeds, but you’ll need a heavier, thicker carbon filter to make up for the higher speed. More carbon and a bigger, taller carbon filter has the same effect of causing the air to spend more time in contact with the carbon—i.e. there’s more of it to go through. So a rule of thumb is this: slower is better for fume collection units, and the faster the speed, the more carbon you need in the filter for the best fume extraction.

 

Air Purifiers and Cleaners.com offers the best quality industrial fume extractors, with both welding and solder fume collection units, as well as room and HVAC-based fume removal units to clean up the air in larger shops, businesses, or any confined space.

Whatever fume or odor extraction situation you have, we have a unit that’s perfect for you—and if it needs to be customized, we’ll do that, too! Call our fume & gas removal experts today toll-free at 1-800-701-2513. We’re here to help!

 

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