Portable Liquid Gel Filled cell is equipped with a refillable tube, available with round
or ceramic plug. "For Refill" chose wither copper sulphate gelatin or copper sulphate crystals.
Color coded for easy identification.
Infinite shelf life
Minimum service life 20 years.
ABS plastic housing, corrosiveenvironment resistant.
Chloride ion trap equippedcopper sulfate and zinc sulfate...