The RPB Respiratory 4000-20 Hot Air Tube Assembly warms compressed breathing air coming into respirators by as much as 30ºF (17ºC). The 4000-20 Hot Air Tube Assembly helps to maximize worker comfort and increase productivity whilst working in cold climates.

The 4000-20 is manufactured from non toxic engineering plastics which are extremely robust and easily withstand the rigors of the workplace.
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