3M 7701/7702/7703 Silicone half-face single filter box gas mask

3M7701/7702/7703 Silicone half-face single filter cartridge gas mask
Brand: 3M
Model: 7701 (small) 7702 (medium) 7703 (large)
Product introduction:
3M 7701/7702/7703 gas mask uses 3M patented cold flow Exhalation valve: The exhalation valve has a large opening range, and exhalation is smoother; it reduces the accumulation of heat and moisture in the mask, and the air is fresher.
High-grade silicone material, comfortable fit: The face fits softly, suitable for users to wear for a long time; Silicone resin is molded in one-time molding, with a longer service life; Good oil resistance, not easy to age.
The gas mask adopts the 3M patented 1/4 rotating buckle method: the cartridge is easy to install and disassemble; the bite is tight, and it is safe to use.
Specially designed for Asian faces and nose bridge: high matching degree with facial shape, good adhesion effect.
Products have been certified by many countries: China LA certification; Japan’s Ministry of Health, Labour and Welfare and South Korea’s Ministry of Labor.
Material: Super soft silicone (with absolute comfort)
Origin: South Korea (imported with original packaging)
Features: 1. Compact design, good visibility
2. Silicone material, comfortable to wear, durable,
3.3M patented cold flow exhalation valve
Purpose: high efficiency filtration Dust, suitable for high dust protection generated by mining and foundry metal smelting and grinding operations (effectively filtering more than 95% of high-efficiency protection)