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The Msa Safety 78703 exhalation valve is a replacement flapper valve for MSA respirators, designed for use with Comfo Classic half-mask and Ultra-Twin full-face respirators. It is NIOSH approved and functions as an APR system component to restore exhalation performance. The valve is sold individually, measures approximately 2 inches in length, and is compatible with multiple MSA part numbers for Comfo and Ultra-Twin series.
NIOSH approved replacement exhalation (flapper) valve for MSA Comfo and Ultra-Twin respirators, MPN 78703; sold individually.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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