Features:
Designed with a non-woven clothfilter to screen out air pollutant like dusts and vehicle fumes.
Replaceable and washable filter? and is designed to be effective for at least 3 months in normal daily use.
Designed with two one-way valves to allow easier exhalation of heat? water vapour and Carbon Dioxide?suitable for glass wearers.
Aluminum lock? help to fit the mask onto nose stably.
Made of SBRto give a comfortable and secure fit.

Specification:
Color: Black
Material: Non-woven cloth& SBR
Product size: Approx.51 * 14.5cm / 20.1 * 5.7in (L * W) ?folding size?
Product weight: 41g / 1.5oz
Package size: 23.5 * 16 * 3.5cm / 9.3 * 6.3 * 1.4in
Package weight: 41g / 1.5oz

Package List:
1 * Mask