WERGO Activated Carbon Filters Replaceable Review

【High-quality Material】Made of activated carbon and non-woven melt-blown filter cloth, keeping away from PM 2.5 and a range of airborne contaminants. 【Five-layer Filtration】Multiple protection to isolate dust, multi-layer folding, good ventilation, double your protection with an additional filter. 【Wide Applications】Mouth mask filter anti airborne particles dust, pollution, ash, gardening pollen and so on, suit to most occasions. 【Reasonable Size】Filters size measures is 12 x 8 cm/ 4.72 x 3.17 inches, compatible with most dust masks, easy to insert or replace the original one. 【Warm Prompt】The Replacement Filters, disposable supplies cannot be washed. Recommend replacement of 4 times a week.