Replacement Filter, Filter Type Disposable Filter, Filter MERV Rating 15, Compatible Extractor Series Filtair 130, Compatible Extractor Manufacturer Part Number 300595, Features Designed Specifically for Weld Fume, Surface Loading Design, Ultra Efficient, Filter Area 31 sq ft, Filter Efficiency 95 Percent, Filter Media Cellulose, Outside Diameter 8.5 in, Overall Height 12.8 in, Overall Width 8.6 in, Process Welding Fume Filtration, Series FILTAIR 130