Petzl STRATO Helmet A020AA0_ DUST MASKS The two packs are compact

The two packs are compact

Default Alarm Setpoints: 2 ppm - 4 ppm

So you can wash the mask with warm soap and water to keep it fresh and clean

or near zero

Rubber protective boot

Petzl STRATO Helmet A020AA0_ DUST MASKS The two packs are compactPetzl STRATO helmet is very lightweight and comfortable, thanks to its CENTERFIT and FLIP&FIT systems, which guarantee that the helmet fits securely on the head. The adjustable strength chinstrap makes it ideal for both work at height and on the ground. The unventilated outer shell protects against electrical hazards, molten metal splash and flames. Key Features: Lightweight and comfortable design: liner in EPP (expanded polypropylene) and EPS