Full Face Mask with Filter: 20 pcs / Full Shaded-Lens Face Mask: 20 pcs / Half Face Mask with Filter: 30 pcs

Required Technical Specifications:

1. Made of flexible, skin-safe rubber that is resistant to chemicals and acids.

2. The lens must be transparent, impact-resistant, provide a wide field of vision, and equipped with automatic valves.

3. Equipped with an automatic inhalation valve that operates under positive pressure with the user’s breathing, and must be positioned on the side of the mask, not the front.

4. Equipped with an exhalation valve that allows exhaled air to exit while preventing ambient air from entering during inhalation.

5. Must not obstruct the wearing of a firefighter helmet and must be designed to prevent fogging of the lens caused by moisture from exhaled air.