3M 7501 防尘半面罩

- Advanced silicone material for increased comfort and greater durability

- Proprietary 3M CoolFlow Valve helps make breathing easier and can offer cooler and drier comfort

- Dual-mode head harness adjusts easily so users can wear the respirator in either standard or drop-down mode

- Solid exhalation valve cover directs exhaled breath and moisture downward, helps protect the valve area from debris, and makes it easier for cleaning

- Head harness assembly and spare parts available

- Comes with reclosable storage bag