OMTech PM50 Cotton Air Filter Set, 5 Piece Primary Replacement Air Filter Set for Fume Extractor Air Purifier, 15×11 Inch Prefilter Pack Cotton Filter Replacement Set for Contaminant & Smoke Removal

About this item Boost Your Extractor’s Performance: This 5 piece cotton air filter set from OMTech ensures easy, timely replacements, helping your air purifier or fume extractor maintain peak performance over time High Efficiency: Each of our 14.9×10.9 in. primary replacement air filters eliminates 99% of unwanted substances that are 50 microns in size or larger to keep your workspace clean & safe Exceptional Longevity: These PM50 cotton prefilters extend your fume extractor’s dependable service. Maintain your workplace’s safety and air quality by replacing your filters on a regular cycle to avoid clogs Easy Installation: Simply fit the cotton prefilter onto your smoke extractor’s HEPA and activated carbon filters, then secure the set back into position Around-the-Clock Support: Our dedicated support teams in the U.S., China, and the Philippines are available 24/7 to assist you whenever you need help