"TEST KIT FOR PERFORMING SEMI-QUANTITATIVE SPOT-CHECKS OR FIELD TESTS; CONTAINS A UNIQUE REAGENT PAD AT THE TIP; COMPARE COLOR TO THE CHART; KIT, 0-500PPB, 0-4000PPH, INCLUDES REAGENTS FOR 100 TESTS, TWO REACTION VESSELS,TEST STRIPS AND COMPARISON CHART; WATER QUALITY TESTING"