Dupont Tyvek 400 respirator cartridge Specification: Specifically designed for asian

Specification: Specifically designed for asian faces wearer (easy fit over prescription eyewear)

Sealed seam construction is easy to clean and won't trap bacteria

constant-current

with the negative end of each battery facing you (towards the battery cover)

Model Number: H-309

Dupont Tyvek 400 respirator cartridge Specification: Specifically designed for asianTyvek 400 garments are composed of flash spun high density polyethylene which creates a unique, nonwoven material available only from DuPont. Tyvek 400 provides an ideal balance of protection, durability and comfort of any limited use fabric technology. Tyvek 400 fabric offers an inherent barrier against particles (down to 1. 0 micron in size). Protection is built into the fabric itself; there are no films or laminates to abrade or wear away. Tyvek