Spec :

• Material: Mask : PC (Polycarbonate surface hardening treatment) (eyepiece)
• silicone rubber (contact face), carrying bag / nylon
• Travel bag size: 350 x 200 x 185 mm
• It has a loudspeaker
• Type official approval Passing Number: No. TN 369
• 2.0% or less for high concentration
• Carrying bag and absorption cans are not included.
• The concentration of ammonia is less than 3.0%
• Model Number: GM 161-2 (hedron)
• Package size：260×145×305 mm　1.01 kg