Ewolee Dust Mask Replacement Filter, 4 Pcs Active Carbon N99 Filters with 4 Valve for Mesh or Neoprene Mask, Bike Mask Filter for Dust Fumes Pollen Allergy PM 2.5 and Running Jogging Cycling
Description
- Size - 5.5 x 3.9( approx). Compatible with majority of Dust Masks available in the market. Package include: 4 x Filter, 4 x Valve
- Material - The n99 mask filter is made from non-woven fabric, filtration fabric and activated carbon cloth
- 5-Layer Filter - Built by comfortable and breathable 5 layers filter cotton, It can isolate 95-percent of dust, chemicals, exhaust, smog, fumes, PM 2.5 and particulates
- Health and Economical - Replacing filter can keep the inside of the mask well ventilated, which makes you breath easily and healthy. It is more economical and eco-friendly because you only need replace the filter when your mask does not work well
- Multiple Usage - Suitable for pollen season and outdoor activities such as running, jogging, biking, cycling, riding, hiking, skiing, snowboarding
Specifications:Weight: 40gSize : 5.5" x 3.9"( approx)Filter material: Non-woven fabric + Activated carbon cloth Features:Universal size - Compatible with majority of Dust Masks available in the market.N99 mask filter - Replaceable active carbon filters isolate up to 99-percent of dust, pollen, hazardous chemicals, fumes, heavy metal particles etc.Smooth breathing - Unique ventilation design, excellent permeability, double air breathing valve, air resistance is smaller,smooth breathing. Replacement:1. Open the mask, revealing the internal valve filter.2. Follow the open instructions on the valve, counterclockwise rotation of the valve, separation the air valve.3. Take down two valves, remove the filter.4. Change a new filter, follow the close instructions on the valve, clockwise rotating the valve and replacement is completed. Package includes:4 x Mask Filter 4 x Valve
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