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Your cart is empty.If it's time to replace your fume extractor's primary filters, this 5 piece cotton prefilter set from OMTech has you covered. With high filtration efficiency, these 14.9x10.9 in. cotton air filters trap 99% of particles 50 microns or larger, ensuring your workspace stays clean. Engineered for long-lasting use, these PM50 air prefilters help extend the life of your machine by preventing clogs and maintaining optimal airflow. Installation is quick and seamless—simply integrate the cotton replacement filters with your HEPA and activated carbon filters in your smoke extractor.
Jonathan Dickerson
2025-05-01 11:11:37
These are great filters and are priced fair. I actually am using them for the Xtool Desktop Air Purifier that goes with the F1 engraver. Of course I have to cut them to size but each filter in this set yields three for this.
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