4-in-1 Digital Water Tester TDS EC Temperature Meter 0-9990PPM For Water Purity
TDS test range: 0~9990PPM. Two User-Friendly Features: 1. 25% Larger Backlit LCD: Our2024 4-in-1 water quality tester has a screen that’s 25% bigger than older 3 in 1 models the market, making it easier to read for everyone, including seniors and children.