7 EXHIBIT 23.3 Consent of Independent Auditors The Board of Directors Airgas, Inc. We consent to incorporation by reference in the registration statement (No. 33-64114) on Form S-8 of Airgas, Inc. of our report dated March 6, 1998 relating to the statements of financial position of the Airgas, Inc. 1994 Employee Stock Purchase Plan as of December 31, 1997 and 1996, and the related statement of changes in participants' equity for each of the years in the three-year period ended December 31, 1997 which report is included in the December 31, 1997 Annual Report on Form 11-K of the Airgas, Inc. 1994 Employee Stock Purchase Plan. KPMG Peat Marwick LLP Philadelphia, Pennsylvania March 27, 1998