S&B - SBAF412-DReplacement Air Filter for the following Intake kit BAI2-FL-9904. Features: 4 inch X 12 inch in size.  Dry Extendable

S&B - SBAF456-DReplacement Air Filter for the following Intake kits 4.5 inch X 6 inch CAI-F15050-15 CAI-F15050-11 CAI-F15062-10 CAI-DH05 CAI-DH64-11(Discontinued, Series 1)

S&B - SBAF49-DReplacement Air Filter for the following Intake kits 4 inch X 9 inch RAI2-FMG-9604 RAI2-FMC-9698 RAI2-FMC-9901 RAI2-FMC-0304 RAI2-FMM-0304 RAI2-FMB-01 JLTAB-FMGPV-15

S&B - SBAF358-D3.5 inch X 8 inch Dry Extendable Replacement Air Filter. For the following Intake kits: CAI2-FMV6-05 CAI2-FMV6-10 CAI-FMV6-11 CAI-JWJL-18