Pollution-technology company Ceco Environmental Corp. (Nasdaq: CECE) is buying Met-Pro Corp. (NYSE: MPR) for about $210 million.

Harleysville, Pa.-based Met-Pro provides product recovery, pollution control, fluid-handling and filtration services.

Ceco, headquartered in Cincinnati, Ohio, develops air-pollution control technology systems, as well as product recovery and filtration technology. The company expects the deal to expand its customer base to more than 11,500 active customers.

The combined company is expected to have revenue of about $300 million.

Bank of America committed $125 million in debt financing for the deal.