Diffuser,Glass Fre SVCE (685,695,BI-42SD,BI-48SD)
   685-2  Use Starting With Serial #2271174.
          Prior to Serial #2271174, see 7017686.
   695-2  Use Starting With Serial #2269189.
          Prior to Serial #2269189, see 7022137.
  BI-42SD Use Prior to Serial #4380000
          Starting With #4380000 See 7040484
  BI-48SD Use Prior to Serial #4380000
          Starting With #4380000 See 7040484