3M 6000 Series Half Facepiece Reusable Respirator
Price
$14.00
Provides excellent protection against particulates and a wide variety of gases and vapors when used with the right kinds of cartridges and filters. The head straps are easy to adjust and help keep the mask comfortable. Can't go wrong with this one.
Comes in 3 models based on size: 6100 Small, 6200 Medium, 6300 Large.