Product Details: The MSA air-line filter removes a minimum of 99 percent of 0.3 micron and larger particulates, including dusts, mists, fumes, smokes and petroleum vapors Caution: It does not remove carbon monoxide The air-line filter can be used at inlet pressures up to 125 psig The pressure drop is one psig at a maximum rated air flow of 25 cubic feet per minute. ________________________________________________________________________________________________________________