Material: non-woven fabric, melt-blown fabric
Model/Specification: Flat type (hanging ear type) : 17.5cm*9.5cm (±5mm)
Description: This product is made of non-woven fabric (inner layer, outer layer), melt-blown cloth (filter layer) material, with plastic nose clip, mask band elastic or non-elastic. Features such as filtering particles and bacteria (non-sterile supply).
Execution standard: GB/T 32610-2016