4-in-1 TDS Meter Digital Water Tester for Drinking Water | Accurate 0–9990 PPM..
ACCURATE 4-in-1 WATER TESTING – Test all water sources with lab-grade precision. Get peace of mind for drinking water, aquariums, RO systems, and more. BUILT TO LAST, EASY FOR ANYONE – Built with a professional titanium sensor, auto-off feature, and durable design.