Product Name: MSA/梅思安 Advantage 420 Half MaskSCBA Product Features: Brand: MSA/梅思安 Model: 10146376A Name: 420 Half Face Respirator*, Advantage420 Half Face Respirator*, Headband suspension adjustment design, easily adjustable with a simple buckle, allowing the mask to be hung on the chest for convenient work breaks. Made from top-grade silicone material used in baby pacifiers, latex-free, comfortable and durable. Integrated mask design, the entire mask consists of only 3 components, enhancing safety and greatly facilitating use and maintenance. Low-profile design, easy to pair with other personal protective equipment. Available in two options: Advantage410 and Advantage420, used with single filter canister and dual filter cartridges respectively.