EnPro Industries, Inc. an industrial technology company and manufacturer, announced it closed its acquisition of Alluxa, Inc., a California-based industrial technology company.

The $255 million deal, funded with cash on hand and rollover equity from Alluxa’s executives, was announced on Sept. 28.

Alluxa specializes in optical filters and thin-film precision coatings for the industrial technology, life sciences and semiconductor markets. The company’s products are developed through a proprietary coating process, according to the press release.

“The completion of this transaction supports EnPro’s strategy to focus the portfolio on materials science-based businesses with leading technologies, compelling margins, strong cash flow, and recurring revenue models that serve markets with favorable secular tailwinds where the company can apply the EnPro Operating System to enable continuous improvement. EnPro will continue to allocate capital, organically and inorganically, to drive growth in businesses with these characteristics with an overarching goal of maximizing long-term shareholder returns,” the company said in the release.

EnPro (NYSE: NPO) was trading at $59.20 Tuesday, down 3.03 percent.