Delivery: The K-9520B Sulfide HR CHEMets® test kit (125 to 1250 ppm) comes in a plastic case and contains everything needed to perform 30 tests (except distilled water): HR CHEMets®refill, flat comparator, 25 ml sample cup, sample cup top, 200 µl fixed volume pipet, pipettor tips, sulfide activator solution, and instructions.