Tier1 Replacement for Refrigerator Odor Remover Air Freshener - Prevents Bacteria Growth - Fresh Food Last Longer (6 Pack) Convienet six pack offering provides six months of refrigerator odor defense and fresh food protection Economical and convenient solution for refrigerator odors Unique design prevents the growth of bacteria, fungi, mildew, spores and viruses Helps ensure your fresh food last longer Easy installation - attach rod to interior wall with the included suction cup <span class="a-text-bold">BEND.</span>You will bend the bacteria rod enough to snap the inner glass piece. This ignites the Carbon Dioxide reaction. <span class="a-text-bold">SHAKE.</span>Shake the bacteria rod to mix the chemicals, and it should turn a yellow/orange color. This means it&#039;s ready to use! <span class="a-text-bold">HANG.</span>The kit includes a suction cup to easily hang your bacteria rod, odor eliminator from the inside wall or ceiling of your fridge.