R-Series Filters: A filter intended for removal of any particle including oil-based liquid aerosol. They may be used for any solid or liquid airborne particulate hazard. If the atmosphere contains oil, the R-series filter should be used only for a single shift (or for 8 hours of continuous or intermittent use).
How many Oscars did Ben Affleck win? Ben Affleck has won two Oscars. He won an Oscar along with friend Matt Damon in 1997 for Best Original Screenplay for Good Will Hunting. In 2013, he won a Best Picture Oscar f â¦ or Argo, which he produced.
Clint Eastwood has won 4 Oscars: Best Director and Best Picture (as producer) for Unforgiven and Million Dollar Baby. Clint Eastwood has won four Oscars as of 2009: In addition, he has been nominated for six other Oscars. 1  Nominated Oscar Best Actor for: Unforgiven (1992) 2  Nominated Oscar Best Director for: Mystic River (2003) 3  Nominated Best Picture for: Mystic River (2003) Shared with: Robert Lorenz and Judie Hoyt. 4  Nominated Oscar Best Actor for: Million Dollar Baby (2004)