Washable Urethane Material No Oil or Special Cleaners Required Better Flowing Than Paper Elements Unaffected by Moisture or Gasoline Push-In Type (Clamp on Filter Shown) Lifetime Guarantee Against Defects in Material and Workmanship Size: 5/16"Please Note: The Image Displayed Is Representative of UNI Breather Filters, but May Vary Depending on Your Specific Model.