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With just the press of a lever, the C40 can cool incoming air by up to 52˚F (29˚C) or heat it by up to 33˚F (18˚C), allowing you to stay comfortable in even the most extreme temperatures.

The RPB® Cold Air Tube Assembly cools compressed breathing air coming into respirators by as much as 32 °F(18 °C). The 4000-01 Cold Air Tube helps maximize worker comfort and increase productivity in hot climates.

Bullard Cool Tubes cool incoming air from breathing air sources by as much as 20-30° F (11-17° C). These cool tubes feature adjustable airflow control valves that allow the user to adjust the incoming air temperature to a level best suited to individual comfort.

Frigitron® 2000 cools incoming air from low-pressure air sources such as ambient air pumps, including Bullard’s Free-Air pumps (EDP 30 and ADP20).

NIOSH-approved accessory for use with certain SAR systems to supply a continuous flow or warm or cool air.

The RPB® Hot Air Tube Assembly warms compressed breathing air coming into respirators by as much as 30 °F(17 °C)