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The Draeger Flow Check Air Current Indicator Kit includes: package of 3 ampoules, 2 hose unit inserts, battery pack, battery charger and carrying case

The flow check unit creates a visible plume of non-toxic, non-reactive smoke which allows visibility of the direction, dispersion and speed of the air currents in an area. It can also detect air leaks around doorways, windows or other fixtures.

The flow check is effective in checking ventilation ducts, pressurized rooms, fume hoods, vapor extractors and other air movement equipment. These functions assist those in the HVAC, hospital laboratory & manufacturing industry sectors.