Met-Pro Corp. reported that its $22.3 million in first-quarter net sales were the second highest in the company's history, and helped give the Harleysville company net income of $1.4 million (10 cents a share).

Earnings from last year's comparable period were $952,449 (7 cents a share). The quarter ended April 30.

The company, which makes product recovery and pollution control systems, said new-order bookings for the quarter were up 17 percent, to $22.2 million, giving Met-Pro an end-of-quarter backlog of $17.3 million, up 19 percent. The company expects to ship those orders by the end of the fiscal year.    - Roslyn Rudolph