Sell PM2.5 mask filter 5-layer protection activated carbon dust-proof anti-haze filter element filter wit best price

Material: non-woven fabric<br/>whether it contains melt blown cloth: contains melt blown cloth<br/>applicable people: adults<br/>function: dustproof, PM2.5, anti-odor<br/>applicable season: unlimited Season<br/>Executive standard: T/CTCA1-2015 standard<br/>Protection level: Level 2 F90 Know before placing an order: ~ Stores are all spot goods, shipped from mainland China, dispatched within 48 hours after the order is placed, and arrive within 7-10 working days normally ~ If the warehouse is out of stock, it will be notified, and it will be checked in detail before shipment. Please check again after the buyer receives it ~ After the goods are sent to the international logistics warehouse and scanned, the system will start to update, and buyers can check the logistics details in the order ~ Generally, it is not supported to cancel or change the order after delivery. If you need to cancel or change, please contact customer service in time ~ If there are problems after picking up the goods, less delivery, slow logistics, and defects, please feel free to contact us to deal with it, thank you