Cat. No. Model pH Rarge ºñ»öÇ¥ Type
F12-61-911 00001011 1 ~ 11 1 UNIV
F12-61-914 00001014 1 ~ 14 1 & 2 WR
F12-61-917 00004070 4.0 ~ 7.0 0.3 BCG