Delivery: The K-5020C hydrazine HR CHEMets® test kit (0 to 500 ppm) comes in a plastic case and contains everything needed to perform 30 tests (except distilled water): R to 5005 CHEMets®refill, C to 5015C comparator, 25 ml sample cup, A to 0171 Pipettor Tips Pack, A to 0191 MiniPet®, and instructions.