Amazon
Designed for commercial/industrial applications Auto power off function, automatically shut off after 3 minutes of non-use Dual range 0-9990 ppm Digital Calibration Commercial AmdHome, such as aquariums, swimming pools, RO drinking water system, water filter, air purifier and more
Designed for commercial/industrial applications Auto power off function, automatically shut off after 3 minutes of non-use Dual range 0-9990 ppm Digital Calibration Commercial AmdHome, such as aquariums, swimming pools, RO drinking water system, water filter, air purifier and more