Single piece foam surround(Enough for 1 speaker) Some of the models that use this foam include :Advent 4, 9, 1008, A-1028, A1028, A1104, A1123, 2000, 2002, 3002, 2201710, 2202320, 2202330, 2202480, 2202571, 2202831, 2203031, 2203413, 25019, 2208628, 2208806, 2208813f, 25290, 2857939, 2858407, 12100371, 80-000-163, Advent 4, Advent 9, Amber, Futura, Graduate, Heritage, Jade, Millenium, Prodigy, Prodigy II, Prodigy Tower and others that match the measurements below Same surrounds that professional reconers use; THE BEST QUALITY foam available!This is the foam only. Complete repair kits are available in our DIY Foam Surround Repair Kits category. Foam Dimensions------ Surround A8-Advent Outer Diameter 7.75" - 197mm Outer Roll Diameter 7" - 178mm Cone Diameter 6" - 149mm Inner Diameter 5.5" - 137mm Roll Width 1/2" - 13mm Inner Attachment Angled
