Description Adopted from premium material, these drinking water test strips are durable and practical for long-lasting use. 16-in-1 extensive testing, these home water test strips could meet your different needs. Simple and easy to use, bringing you a healthy drinking water environment for your home. Features -Color:As Shown-Material:Paper, plastic-Size:12.00X0.50X0.50cm/4.72X0.20X0.20in-Size:10.50X1.00X1.00cm/4.13X0.39X0.39in-Test items: PH, total alkalinity, free chlorine, totalchlorine, nitrate, nitrite, mercury, lead, iron, copper, fluoride, bromine, chromium/Cr, hardness, carbonate root, cyanuric acid - This item is drinking water test strip, simple and easy to use, convenient for you. - Suitable for various water quality testing of drinking water, home water, running water. - The drinking water test strip is useful and excellent, keep your drinking water very safe and clean. - Water quality test strips are easy to store and simple to carry, portable and lightweight, practical and reliable. - The home water test strips are useful and safe, simple to test water quality, you can use it with peace of mind. Packing list: 50 x drinking water test strips1 x test tube1 x dropper