North Replacement Exhalation Valve Flaps, 1 box (4 pieces)

North by Honeywell 770018 exhalation valve flaps are replacement parts for 5400, 5500, 7600, and 7700 series respirators. They are NIOSH-approved and sold in boxes of 4 valve flaps and should be replaced if damaged or worn out as a result of extended use. When used with genuine North by Honeywell respirators, the valve flaps aid in wearer protection in different industries and environments, such as manufacturing, municipal services, and steel and metal works. Sold by box (4 pieces) Exhalation valve flaps Replacement part 4 per box For use with 5400, 5500, 7600, and 7700 series respirators NIOSH approved