The sales amount of disposables, cartridge, supplied air and powered air account for the total sales of the respirator in turn were 39%, 34% and 22%, 3M company shared the 84% market.

• 用即弃型、滤芯型和供气型呼吸器的销售额依次占有呼吸器销售总额的39%25、34%25和22%25,3M公司占有84%25的市场份额。