Thus, half-mask and full face mask respirators may be of the PI, P2, or P3 specification. ![]() A powered respirator has a fan to assist the flow of air through the filter.Įach type of respirator is available in three performance classifications. A full face mask respirator does cover the whole face the wartime ‘gas mask’ is of this type. The disposable facepiece or the half-mask respirator fits over the nose but does not cover the whole face. NOTE PRICE RANGE STARTS FROM RS.In Lees' Loss Prevention in the Process Industries (Fourth Edition), 2012 25.16.4 Air-Purifying Respirators NOTE PRICE RANGE STARTS FROM RS.10000/- UPTO 77500/.
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