HM Digital Replacement pH Sensor for PH-200 pumps-and-irrigation-supplies protected from light and outside

protected from light and outside contaminants

Used in conjunction with Humboldt Nutrients powerful additives we assure that your yields and quality will increase so dramatically

The Upright Frame is composed of the two lower side walls of the VGS300

Twister provides the versatility and performance needed to improve worker productivity and safety

cut through the layers of plastic and you now have a zipper door

HM Digital Replacement pH Sensor for PH-200 pumps-and-irrigation-supplies protected from light and outsideThis spare pH sensor is for HM Digital Waterproof pH Meter model P 200. Features glass pH sensor and reference tube and thermister.