North by Honeywell Replacement Exhalation Valve is great for use with 5500 and 7700 series half masks and 7600 series full masks. They should be replaced if they are worn out or damaged due to extended usage. The valve flaps help with wearer protection in an assortment of environments and industries.
- NIOSH approved
Controlled Pest: in conjunction with respirator masks, protects against air particulates, airborne chemicals, contaminants.
Use on: use in conjunction with respirator masks.