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7501 (S) / 7502 (M) / 7503 (L)
Unique 3M™ Cool Flow™ Exhalation Valve reduces
heat and moisture build-up in the face piece
Made of soft, resilient silicone and heat-resistant plastics
Dual-mode head harness adjust easily
Use with 2000 series and 6000 series filters and cartridges
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