Description Commonly Used on models: B430F S/N: U08226001001 - U08226999999 B430R S/N: U08226001001 - U08226999999 SRM-4300F S/N: C30326001001 - C30326999999 SRM-4300F S/N: S51220001001 - S51220999999 SRM-4300R S/N: S51220001001 - S51220999999