89222A     …Brand New Genuine Electro Voice Diaphragm used in models Sentry 100A Tweeter, Sentry 500, Sentry 505, Musicaster, University Sound Musicaster 100, CD35, CM12-2, CM-12, CX100, EJ2, EM12CX, FM12C , FM12-2, FR10-2B, FR12-2B, PI100, 100EL, INT1-2, INT2-2, INT3-2, INTA-3, INTA-4, INTB-3, INTB-4, INTC-2, INTC-4, MS802, TS12-2, Electro-Voice Century 100A tweeter, Electro-Voice MS802 tweeter. Ferrofluid is also available. If you are looking for reconing parts, the genuine EV recone kit is also available.