3-Pack Replacement Filters for Fume ExtractorFeatures: 3-pack Size: 130mm x 130mm x 10mm (5.1" x 5.1" x 0.4") Amount of activated-carbon filter: 12 grams (0.03 lbs.) Maximum absorbing weight of noxious components per filter: 4 grams (0.01 lb.) For use with XYtronic 468ESD fume extractor (P/N: 2171786), Weller/Cooper WSA350 fume extractor/smoke absorber (P/N: 684810), and also XYtronic Soldering Station and Fume Extractor combo (P/N: 183169)