Milwaukee Instruments EC40 PRO EC/TDS Nutrient Meter aaron Features a collar on the

Features a collar on the backside to attach ducting to the mounted grille

Made of flexible

clean air in your home or office

stem structure

Safe for use in gardens and around edible crops - just be sure to wash crops before eating

Milwaukee Instruments EC40 PRO EC/TDS Nutrient Meter aaron Features a collar on theMilwaukee EC40 PRO EC TDS Nutrient Meter The Milwaukee EC PRO EC TDS Nutrient Meter is an extremely tough, reliable, IP67 Waterproof Nutrient Meter designed to meet your Hydroponic, horticulture and agricultural needs! This meter arrives factory calibrated and does NOT require user calibration EVER! Twenty (20) blue LEDS makes it easy to read in daylight or darkness. There are no user worries about getting the readings incorrect. For plants or