81) BETZ ENTEC 240
Manufacturer: BETZ ENTEC INC - WATER CHEMISTS DIV
Index Date: 1992-06-26


82) BETZ ENTEC 390
Manufacturer: BETZ ENTEC
Index Date: 1988-10-31

83) PRE-FILM 108 L
Manufacturer: BETZ LABORATORIES INC., BETZ INDUSTRIAL
Index Date: 1991-02-16

84) BETZ ENTEC 402
Manufacturer: BETZ ENTEC INC
Index Date: 1991-02-16

85) HARDNESS REAGENT #5, 4483
Manufacturer: LAMOTTE
Index Date: 1989-01-26

86) MANVER HARDNESS INDICATOR
Manufacturer: HACH
Index Date: 2004-09-23

87) HARDNESS TITRET
Manufacturer: CHEMTRICS, INC.
Index Date: 1991-05-03

88) HARDNESS #6 TABLETS
Manufacturer: LAMOTTE
Index Date: 2006-06-19

89) SPEC-AID 8Q462
Manufacturer: BETZ LABORATORIES INC/BETZ DEARBORN
Index Date: 1996-09-05

90) BETZ ENTEC 338
Manufacturer: BETZ ENTEC INC
Index Date: 1988-10-31