3M 7771/7772/7773 Silicone half face single filter box dust mask

Product name: 3M 7771/7772/7773 Silicone half-faced single filter box dust-proof mask
Model: 7771
Product description:
High-grade silicone material, comfortable fit, soft face fit, suitable for long-time wear by users,
silicone resin disposable molding molding , Longer service life, good oiliness and not easy to age.
Material: Super soft silicone (with absolute comfort)
Origin: South Korea (Imported with original packaging)
Features:
1. Compact design, good view
2. Silicone material, comfortable to wear and durable,
3.3M patented cold flow exhalation valve
Purpose: high efficiency filtration Dust, suitable for high dust protection produced by mining and foundry metal smelting and grinding operations (effectively filtering more than 95% of high-efficiency protection).
Model description
7771 Silicone half-sided single filter box dust mask (small) 10 pieces/box
7772 Silicone half-sided single filter box dust mask (medium size) 10 pieces/box
7773 Silicone half-sided single filter box dust mask (large No.) 10 pcs/box