Advent 5.25" Speaker Foam Surround Repair Kit - 5.25 Inch Fits Advent 400 Bookshelf, 401m, Radio, 402, A-1042, A1042, B2R Marbl, B2R Pearl, 2208811, Marbl, Mini, Myriad, Outdoor, 32217, 32270, 2201820, 2201982, 2208931 and others that match the measurements Same surrounds that professional reconers use; not cheap Chinese imitations! Complete 2 speaker foam surround installation kit - 5.25 inch 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.