Please note this mask is pre punched with a 1/2'' hole to connect to the air hose. It is only applicable for BROAD AirPro Mask. No refund if bought by mistake for safety reasons. Thank you for your understanding!
Recommend to replace it after every 2 weeks(Based on 8 hours/per using)
5-ply with high filtration efficiency of PM2.5 ≥95%
Adjustable nose bridge, fit adults' face perfectly. Comfortable and safe.