*Silicone material with ABS environmentally friendly plastic parts

*Freely adjustable headband size, free replacement filter system

*High-efficiency sealing ring, closer to the skin, making the sealing performance close to 100%

*The built-in breathing valve ensures users can breathe smoothly, helps eliminate moisture inside the product, maintains dryness inside the mask, and reduces the environment for bacteria to breed. The one-way air valve blocks harmful gases from directly entering the respiratory tract, strengthening the seal.

*Suitable for all kinds of people to wear in complex environments, long-term use can reduce company consumption costs

*Environmentally friendly material, meeting national requirements for sealing performance

*SM3200/SM3500 half masks need to be used with anti-particulate filter element 1100 series

*Default protection level: KN95

*Packaging: Box x 1 set (1,000)/box x 60 boxes x 1 piece

*Outer box size: 47.5x41x52cm