Rockford Fosgate 12" Subwoofer Foam Surround Repair Kit - RFP 1412, 1812, 2412, 2812-12 Inch Some of the models that use this foam include: Rockford Fosgate RFP1412, RFP1812, RFP2412, RFP2812 and others that match the measurements Complete 1 speaker foam surround installation kit - 12 inch Same surrounds that professional reconers use; not cheap Chinese imitations! Easy to follow step-by-step installation instructions and videos FREE phone support at 1-800-397-9575 and FREE shipping within the U.S.