APR Adapter: designed for use in non-IDLH environments and is NIOSH-approved
Advantage Fit Test Adapter: allows quantitative fit tests to be performed on bayonet cartridge style respirators (i.e, Advantage 200LS Half Mask and Advantage 3200 Full Facepiece Respirator)
QuikChek Fit-Test Adapter: use with MSA respirators equipped with demand-style Ultravue full facepieces or Comfo Classic, Comfo Elite and Ultra-Twin facepieces
QuikChek II Fit-Test Adapter: allows quantitative fit testing of any Comfo II, Comfo Classic, Comfo Elite, Duo-Twin or Ultra-Twin respirator
QuikChek III Fit-Test Adapter: designed for Ultra Elite full facepieces and attaches to the BMR adapter assembly. The MMR PD Ultra Elite facepiece requires the QuickChek IV, which comes with one P100 cartridge
QuikCheck IV Fit-Test Adapter: designed for Ultra Elite and Ultravue full facepieces with quarter-turn quick disconnect. Includes one P100 cartridge
