§ 84.72 - Breathing tubes; minimum requirements.

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§ 84.72 Breathing tubes; minimum requirements.

Flexible breathing tubes used in conjunction with breathing apparatus shall be designed and constructed to prevent:

(a) Restriction of free head movement;

(b) Disturbance of the fit of facepieces and mouthpieces;

(c) Interference with the wearer's activities; and

(d) Shutoff of airflow due to kinking, or from chin or arm pressure.

                    
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§ 84.72 - Breathing tubes; minimum requirements.

§ 84.72 Breathing tubes; minimum requirements.