WIDE USAGE: TDS water quality - Drinking Water,Laboratory,Hydroponics,Aquarium,Swimming Pool,RO/RD system,food & beverage, whole house filtration system water,res tank ,spring water,ppm tested works well.
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ORP-13
OEM
Product details
Item: ORP-13
ORP Pen

Product details
Item: ORP-13
ORP Pen
