Water treatment company Pentair plc (NYSE: PNR) is buying Pleatco Filtration from Align Capital Partners for $255 million. Pleatco is a aftermarket manufacturer of clean air, pool and spa and water filtration parts such as filter cartridges.

“We are excited to expand our presence in the aftermarket filtration space with an enhanced product offering that advances our objective to offer an effortless pool experience for consumers,” said John Stauch, Pentair CEO.

Baird and McGuireWoods LLP are advising Pleatco.