Ropes & Gray Advised Audax Private Equity in Sale of Rensa Filtration to AEA Investors and BCI

In The News
October 9, 2026

Ropes & Gray represented Audax Private Equity in its sale of Rensa Filtration, a manufacturer of consumable air filtration solutions, to AEA Investors' Middle Market Private Equity team and British Columbia Investment Management Corporation. The transaction closed on Oct. 8.

Headquartered in Boston, with offices in San Francisco, New York, London and Hong Kong, Audax Private Equity is a leading private equity platform focused on investing across the North American middle market.

The team included private equity partners Chau Le and Reed Harasimowicz and counsel Peter Wang, antitrust partner Ruchit Patel, tax partner Scott Pinarchick and counsel Tom Spera, environmental partner Peter Alpert, and HSR partner Deidre Johnson.