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.
Twenty years after winning an Academy Award together. Nineteen years ago, buddies Ben Affleck and Matt Damon won an Academy Award for Best Original Screenplay for their work on Good Will Hunting. Nearly two decades later, they took the Oscars stage together again, this time to present the same title.