Yieryi 4 in 1 YY-400 PH/ORP/H2&TEM meter digital hydrogen ion concentration tester for aquarium swimming pool drinking water

Description:

Brand Name: yieryi
Origin: CN(Origin)
With Backlight Or Not: YES
Model Number: YY-400
Display Type: Digital
YY-400: Backlight PH ORP H2 TEM meter
YY-400N: PH ORP H2 TEM meter without backlight

Act before it’s too late! Yieryi 4 in 1 YY-400 PH/ORP/H2&TEM meter digital hydrogen ion concentration tester for aquarium swimming pool drinking water only US $48.50 US $28.13.