Draeger MicroTube Ozone 10-1000 ppb Calibration Lines "The SR 900 half mask

"The SR 900 half mask is an Air Purifying Respirator (APR) made of thermoplastic elastomer (TPE) and polypropylene (PP) in three sizes

The cart is powder-coated with a poly finish for durability and also features a low-pressure cylinder alarm whistle

easy-to-decontaminate model uses a rechargeable NiMH battery for 8 hours of continuous use

Fabric is breathable

ASTM E96-2016 - BREATHABILITY (US/CAN)

Draeger MicroTube Ozone 10-1000 ppb Calibration Lines "The SR 900 half maskWith each set of MicroTubes, you can perform 10 individual tests. The substance specific reactive layers and multiple pre layers in the capillaries of the Draeger MicroTubes allow for selective gas testing. The various layers serve as a filter, for example. During testing, they filter out other substances that occur in the workplace so that only the target substance is indicated in the test result. This significantly reduces cross sensitivities and