Compatible With 3M 6000 Series Half Facepieces, 6500/6500QL Series, 7500 Series, 6000 Series Full Facepieces, FF-400 Series, 7800 Series, 3M Scott AV- 3000 HT and AV-3000 SureSeal Facepieces with AV-632 Bayonet Adapter.
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