Insta-Test Test Strips,3 in L,1-4 in W,PK25 2994

Test Strips, Test Form Strip, Overall Length 3 in, Test Type Test Strips, Testing Parameter One Copper, Iron, Overall Width 1/4 in, Parameter Measurements Included 0 to 3 ppm Copper, 0 to 5 ppm Iron, Number of Tests 25, pH Resolution 3/16, Test Detects For Copper, Iron, Includes Color Chart Label, Parameter Five Measurements Included Not Applicable, Parameter Four Measurements Included Not Applicable, Parameter Three Measurements Included Not Applicable