Exhibit 4.1 MFRI, INC. AND HARRIS TRUST AND SAVINGS BANK (RIGHTS AGENT) DATED AS OF SEPTEMBER 15, 1999 RIGHTS AGREEMENT RIGHTS AGREEMENT, dated as of September 15, 1999 (the "Agreement"), between MFRI, INC., a Delaware corporation (the "Company"), and...Rights Agreement • September 24th, 1999 • Mfri Inc • Industrial & commercial fans & blowers & air purifing equip • Delaware
Contract Type FiledSeptember 24th, 1999 Company Industry Jurisdiction