Have strong filtering effect, make sure air in and out orderly, effectively cycling.

Features:
Soft, silicone face seal for greater comfort and durability
Wide field of vision, polycarbonate, high impact visor
Simple and easy to use
Well balanced, four straps heads suspension which is easy to put on and take off.
Unique center adapter to direct exhaled breath and moisture downward, helps reduce debris from in the valve, and allows for quick and easy cleaning.

Specifications:
Material: silicone
Package size: 240 * 200 * 150mm / 9.4 * 7.9 * 5.9in
Package weight: 850g / 1.9lb

Packing List:
1 * Ma-sk
2 * Filter Box
2 * Filter Cotton
2 * Filter Cotton Cover