OPTREL Swiss Air Half Mask Mufflers

A set of two cotton cups for use in respiratory half masks mounted to the OPTREL Swiss Air device .

MPORTANT: The Optrel swiss air self-powered breathing apparatus must NOT be used in environments in which there is an immediate danger to health or life (IDHL), in atmospheres with less than 17% oxygen or in which the concentration of toxins is so high that a protection class above TH2 (EU) is required. It is NOT rated as an ignition source in flammable or explosive atmospheres.