Electronic4sale Water Quality Test Pen Type LCD Digital TDS+Meter Tester Water Quality PPM Purity Filter

Features:
The meter is primarily used to indicate water filter replacement.
It may also be used as a simple method to compare water quality by displaying the Total of the Dissolved Solids (TDS) in parts per million only.
Convenient, efficient and accurate.
Easy to use and store.
The meter should not be used to assess the safety or purity of water, which should only be undertaken by a qualified laboratory.

Package Includes:
1 x Digital TDS Water Quality Tester with cell battery.