S&B Intake Replacement Filter - Cotton (Cleanable) - 11-16 Ford & 20-26 Ford - KF-1050These filters are for replacing the Dry Washable filter on your S&B Cold air intake system. The Dry filters are to be replaced every 15,000 Miles. The Washable Filters only need to be replaced if your current one is damaged. These washable filters have a 1 million mile warranty and are do not need regular replacement. See your kits original information to find the correct filter model number. These are replacement filters for your S&B Cold Air Intake