Jzhen Universal PH Paper Strip Roll Tape Measure for Water, Urine, Saliva PH 1-14 (5M)
by Jzhen
- ✿ Size: 2.24 x 0.55 inch, easy to take outside for testing, easy to use and storage., ✿ This PH paper roll is much easier to use, the colormetric scale is easy to read., ✿ Very easy to use plastic wheel, simply tear off a small portion of the strip for testing., ✿ Perfect product to have in every lab and at home to measure and inspect water quality, urine, saliva and more., ✿ 100% brand new, whether it is pre-sales or after-sales service, we are committed to improving the best service for you.