*Dust-proof filter cotton is to prevent the entry or removal of particles,preventing some harmful particles into our bodies.
*Strong filtering effect,giving you fresh air.
*Super quality material selection,high efficiency and non-toxic.
*Wide usage scopes including welding,grinding,casting metal smelting and other dust places.
*KN90 protection level,a reliable partner for your labor work.
Package Size: Approach.20*10*5cm/7.87*3.94*1.97in
Package Weight: Approach.100g/3.53oz
1*Lot of Filter Cottons(10PCS)