The filter works with a wide range of facepieces, including 3M™ Half and Full Facepieces 6000, 7000 and FF-400 Series. If used with the 3M™ Scott™ AV-632 Bayonet Adapter, the filter may be used with the 3M™ Scott™ AV-3000 HT and AV-3000 SureSeal facepieces.