Replacement Filter, Filter Type Disposable Filter, Filter MERV Rating 15, Compatible Extractor Series Filtair Capture 5, Compatible Extractor Manufacturer Part Number 951574, 951575, Features Designed Specifically for Weld Fume, Surface Loading Design, Ultra Efficient, Filter Efficiency 95 Percent, Filter Media Cellulose, Process Welding Fume Filtration, Series FILTAIR MWD-X