Reusable - just dispose of the cartridge and filters when used to capacity
The swept back design of the cartridges improves balance and visibility
Can be disassembled, cleaned and reused
Very light-weight
Easy to adjust head straps
NIOSH approved for use against particulates and a variety of gases and vapors at concentrations up to 10 times the exposure limit, when used with approved and properly selected cartridges and/or filters