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.
As of January, 2010, Tom Hanks has received five Academy Award Oscar nominations and won twice, for his back-to-back roles in Philadelphia and Forrest Gump. Two. Hanks won bac â¦ k-to-back Best Actor Oscars for his performances in Philadelphia (1993) and Forrest Gump (1994).