Air Filter (Dry Extendable) for Intake Kit 75-5085-1/75-5085-1D is an S&B dry extendable replacement air filter for S&B intake kits 75-5085-1/75-5085-1D. It is intended as a service replacement for compatible S&B intake systems, so the intake kit number shown in the title should be matched before ordering. Because this is a dry-media filter, it should be serviced according to dry-filter maintenance guidance and should not be oiled. Verify the SKU, filter media, and intake-kit compatibility before installation. Original description written from the row's SKU, media, and title data for S&B part KF-1085D.