#hofun

Hofun Air Quality Monitor - Professional Air Quality Detector, 5 in 1 Indoor Air Pollution Tester with AQI, PM2.5, PM10, HCHO, TVOC, Air Particulate Meter for Home, Car, Office, Hotel

Hofun PH Meter & TDS Meter Combo, Upgraded Backlight PH TDS EC & Temperature 4-in-1 Water Quality Tester, High Accuracy Digital Water Tester for Household Drinking, Pool and Aquarium

TDS Meter Digital Water Quality Tester, TDS Temperature & Conductivity Meter 3 in 1, 0-9999 ppm, Hydroponics EC Meter, Digital Water Testers for Drinking Water, ppm Meter for Hydroponics Aquarium

TDS Meter Digital Water Tester - Hofun TDS, EC & Temperature Meter 3 in 1, 0-9999 ppm Accurate, PPM Meter for Drinking Water Test, Coffee, Swimming Pool, Aquarium, RO/DI System, Hydroponics

Hofun Soil pH Meter, 3-in-1 Soil Moisture/Light/pH Tester Gardening Tool Kits for Plant Care, Great for Garden, Lawn, Farm, Indoor & Outdoor Use