East Granby vehicle emissions test provider Environmental Systems Products Holdings, Inc. announced on Friday the intended sale of one of its subsidiaries to a Swedish care inspection company.

ESPH will sell 100 percent of its shares in Environmental System Products, Inc. to the U.S. subsidiary of Sweden-based Opus Prodox AB. Environmental System Products provides equipment and services in decentralized vehicle emissions testing in the U.S., Mexico and Canada.

Financial terms were not disclosed. The company expects to close the transaction in 30 days.

ESPH will continue to operate and manage all eight centralized emissions inspection programs through its other subsidiary, Envirotest Systems Corp.