🔰 【PERFECT DESIGN REUSABLE FACE MASK】 SS Reusable Face Mask with filter replacement makes it reusable, one piece filter can be used for 2-4days, and the silicone mask can be infected by washing, boiling, alcohol. Special circumstances, such as hospitals, bad environment, unhealthy places or long-term wear 2-4 days to replace one filter

🏆 【Reduce Overheating & Fogging】 One-way Breathing valves allow exhaustion of heat and carbon dioxide easily, provide smooth breathing, prevent fogging and overheating exceptionally well. Designed with neoprene structure, makes it well-ventilated, breathable and quick drying. Useful for those who need to wear the mask for hours at a time. Please replace the filter every 25-30 hours if the mask is used extensively in heavy dusty operations, such as grain bins, construction/demolition, etc

🥇 【Multiple Applications】 SS Reusable Face Mask, you can be used for different purposes, from mowing to running, cycling, hiking, skiing and other outdoor activities in extremely cold climates (if you have sensitivities to the cold when exercising). It works in filtering allergenic pollen. Besides, If you live in an area prone to forest fires, this dust mask can protect you from the smoke and ash. Lightweight design allows for more comfortable use

🥈 【BEST PROTECTION】 The dust face M filters out 97-percent of exhaust, dust, chemicals, particles, pollen, smoke and fumes.