Speaker Replacement Gasket, 12" JBL 122A, 126A, 128H, others GAS-12JBL

JBL: 120Ti, 122A, 122A-1, 123A-3, 124A, 126A, 128H, 128H-1, 129H, 2213, 4310, 4311, 4312,  L-65 Jubal, L65 Jubal, L 65 Jubal, L100,  L-112, L112, L 112, L-150 L150, L 150, L-166 Horizon, L166 Horizon, L 166 Horizon, PR300, 4411 L, 4411 R, 4412 L, 4412 R, 4412A L,4412A R, others