5.12 x 2.8 x 1.1 inches

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EASY-TO-USE: the water chlorine test strips are designed to allow you to easily check the amount of chlorine in your water; dip the test strips in water and they change color in seconds, revealing the approximate level of chlorine;
DETAILED INSTRUCTION GUIDE: the water chlorine test kit includes everything you need to perform a water chlorine test, it comes with a detailed instruction guide containing simple to follow instructions and a color-coded results chart;