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.
by David H 6 years ago Clint Eastwood (May 31st, 1930), the American actor, director and producer has won 4 Oscars: -1992: Oscar to the Best Director and Oscar to the Best Picture for 'Unforgiven'. -1992: Oscar to the Best Director and Oscar to the Best Picture for 'Million Dollar Baby'. In both films, 'Unforgiven' and 'Million Dollar Baby' he was also nominated in the category of Best Actor.