Greasecar 5-1 Micron Trade Size 3 Filter bags are meant for use in Filtration housings, like the ones that come in our home or on-board filtration systems. These are dual layer 5 micron and nominally-rated 1 micron polyester felt filtration bags. Nominally rated bags use an average filtration efficiency rating (generally between 80-90%) while absolute rated bags are designed to catch all particles over the rated micron size. We recommend these bags as a good solution for only having one style bag on hand for your filtration needs. As the outside 1 micron bag is nominally rated, running through these bags more than once with the oil will help ensure proper particle filtration for most vehicles.

• 5-1 Micron (nominal rating) Polyester Filtration Bag
• Fits Greasecar's On-board and Stationary filtration housings
• Retaining ring to keep filter shape & handle for easy removal 
• Filter Area: 0.8 Sq. Ft.
• Max Temp: 300°F
• Max Flow: 25gpm