Tube, Dual Filer, Start Year: 12/01/1986

Used in models:340, 445, 345D, 550, 540A, 345C, 455D, 445A, 545D, 555, 655A, 340A, 340B, 555B, 545A, 450, 455C, 445C, 540B, 545C, 555A, 4610SU, 3910V, 4130NO, 3230, 3430, 3930N, 4110V, 334, 335, 3910R, 4830, 3910N, 2910, 3930NO, 3610, 2610, 2610V, 3610NO, 3910H, 3610V, 530A, 4630NO, 3930H, 230A, 4110O, 4610N, 2310, 234, 5030, 5030O, 4110N, 4830O, 4610NO, 4830N, 4110NO, 4610V, 4630O, 2810