Shop 204 per Box, Adjustable, For 3M™ Half Facepieces 6000, 6500/6500QL, 7500 Series, Full Facepieces 6000, FF-400, 7800 Series, 3M™ Scott™ AV-3000 HT and AV-3000 SureSeal Facepieces with AV-632 Bayonet Adapter, 0