Brand new bulk box with 100 test rolls. stored in a cool dry environment.  Expires March 1st 2027. These cost around $3.00 ea. so buy in bulk and save. 

Item #: 303832

Model #: 53000965

Manufacturer: Kay Chemical

These chlorine test strips are easy to use - simply dip the tape into the solution to be tested, hold for one second, then remove. Compare the strip color with the color chart on the label to check how much chlorine is in the solution.