High-quality materials: Made of activated carbon and non-woven melt-blown filter cloth, 5 layer filter system effectively keeps away a broad range of airborne contaminants
Measurements: Carbon filters measures approx. 4.72 x 3.15 inches, compatible with most replaceable filter masks, easy to insert or replace
Easy to use: just put it in the PM2.5 filter opening. 1. Filter insert can not be cleaned and should be replaced every week. 2. When film or sticky sediment stains emerge, filter should be replaced.
Ideal to protect your mouth and face from Dust, Haze, Allergies, Pollution, Ash, Pollen, Vehicle Exhaust, Woodwork, and Pollen
Activated Carbon Filters: 100% brand new and high quality.
We accept returns for refund within 14 calendar days from the date you receive your order (Per USPS tracking). We accept returns for an online credit for non-final sale items up to 30 calendar days from the date you place your order. Items marked with Final Sale cannot be returned, refunded or exchanged. PLEASE NOTE* We do NOT accept returns on swimsuits, face masks and gift cards. For any questions, please firstname.lastname@example.org.