PM 2.5 Activated Carbon Filter Inserts - Pack of 3
The PM2.5 replaceable face pads filter fine dust and particles, and protects with 2 layers of non-woven fabric, 2 layers of filter cotton and 1 layer of activated carbon cloth. The filter is disposable and the recommended use time is 3-5 days.
Size: 4.7 x 3.1 inches
Due to sanitary reasons, all filters are final sale and cannot be returned.