September 4, 2008

Met-Pro Corporation’s Duall Business Unit Receives Equipment Order Totaling Approximately $600,000

HARLEYSVILLE, Pa., Sept. 4 /PRNewswire-FirstCall/ -- Raymond J. De Hont, Chairman and Chief Executive Officer of Met-Pro Corporation , announced today that the Company's Duall business unit has received an order to supply a Beta NOx(R) chemical scrubber system to a specialty metals manufacturer in the Midwestern United States. The total value of this order is approximately $600,000. The order is expected to ship during the third quarter of the Company's current fiscal year ending January 31, 2009.

The order includes several multi stage Duall PT510 chemical scrubbers with Fybroc Series 5530 recirculation pumps, an exhaust fan, ducting, controls and instrumentation. The Beta NOx(R) system is designed to treat acid mist and nitrogen oxides emitted from the metals manufacturing and processing operation. The equipment will be manufactured in Duall's Owosso, Michigan factory.

"This order reinforces Duall's reputation as a supplier of choice for field-proven acidic mist and gas emission systems," stated De Hont. "It represents another example of the synergies between our products that allows us to provide system solutions to help solve the challenges of protecting our environment while serving business and industry around the world. We continue to be pleased by the steady stream of customer interest in Duall's products and remain optimistic about Duall's future prospects."

About Met-Pro

Met-Pro Corporation, with headquarters at 160 Cassell Road, Harleysville, Pennsylvania, was recently recognized, for the second consecutive year, as one of America's "200 Best Small Companies" by Forbes magazine. The Company was also recently named as one of the world's "Top Small to Midsize Manufacturers" by Start-It magazine for the second year in a row. Through its business units, in the United States, Canada, Europe and The People's Republic of China, a wide range of products and services are offered for industrial, commercial, municipal and residential markets worldwide. These include product recovery and pollution control technologies for purification of air and liquids; fluid handling technologies for corrosive, abrasive and high temperature liquids; Mefiag filtration technologies for harsh, corrosive liquid filtration applications; and filtration and purification technologies which include proprietary water treatment chemicals and filter products for air and liquid filtration. For more information, please visit

The Private Securities Litigation Reform Act of 1995 provides a "safe harbor" for forward-looking statements. Certain information included in this news release, and other materials filed or to be filed with the Securities and Exchange Commission (as well as information included in oral or other written statements made or to be made by the Company), contain statements that are forward-looking. Such statements may relate to plans for future expansion, business development activities, capital spending, financing, the effects of regulation and competition, or anticipated sales or earnings results. Such information involves risks and uncertainties that could significantly affect results in the future and, accordingly, such results may differ from those expressed in any forward-looking statements made by or on behalf of the Company. These risks and uncertainties include, but are not limited to, those relating to, the cancellation or delay of purchase orders and shipments, product development activities, computer systems implementation, dependence on existing management, the continuation of effective cost and quality control measures, retention of customers, global economic and market conditions, and changes in federal or state laws.

Met-Pro common shares are traded on the New York Stock Exchange, symbol MPR.

To obtain an Annual Report or additional information on the Company, please call 215-723-6751 and ask for the Investor Relations Department, or visit the Company's website at

   Contact:  Investor Contact:             Gary J. Morgan             Senior Vice President of Finance, CFO             215-723-6751, [email protected]              Joseph Hassett, VP             Gregory FCA Communications             610-228-2110  

Met-Pro Corporation

CONTACT: Investors, Gary J. Morgan, Senior Vice President of Finance,CFO of Met-Pro, +1-215-723-6751, [email protected]; or Joseph Hassett, VP,Gregory FCA Communications, +1-610-228-2110

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