Key Features

• 5-LAYER MASK FILTER INSERTS: These PM2.5 mask filters feature a 5 layer design with activated carbon, non-woven fabric, and melt-blown cotton to help reduce dust, pollen, and airborne pollution particles.
• EFFECTIVE FOR DUST & POLLEN: Designed as face mask filter inserts for everyday air quality concerns like haze, yard work, woodworking, and allergies. Ideal for dust masks used in polluted or dusty environments.
• 10 FILTERS + 4 VALVES INCLUDED: Complete replacement set with disposable PM2.5 face mask filters and one-way exhaust valves. Replace mask filters every 2-3 days or after 18-24 hours of use. Single-use only, cannot be washed or reused.
• MASK FIT & COMPATIBILITY: These face mask filters are designed for masks with valve openings and compatible with many standard dust and cloth masks. Checking the filter size, shape, and valve placement before ordering ensures best fit.
• BREATHABLE ALL-DAY COMFORT: Soft, lightweight materials of these face mask filters maintain airflow while filtering. Comfortable for extended wear during outdoor activities, commuting, or dusty work environments without sacrificing breathability.

Specifications