331138, 用于颗粒
331139, 用于气体
331140, 颗粒和气体
Each type of filter has various applications and resistance to different hazardous vapors and particles. When ordering, please ask your supplier for detailed information about the main area of application for each filter.
每种类型的过滤器都有不同的用途和对不同危险蒸汽和颗粒的抵抗力。订购时,请向您的供应商询问每个过滤器的主要应用领域的详细信息。