Avoid counterfeit products by purchasing here (directly from the manufacturer), Ethylene absorbers slow down the ripening process so produce stays fresh longer - replace absorbers every 6 months for ideal results, Refill kit includes user manual, 1 time strip with status display, adhesive strip, and 2 ethylene absorbers, To replace the absorber, simply pull the housing up away from the clip that sticks to the bin and replace the absorber in the housing. Do not remove the clip that is attached to the bin., To purchase the starter kit, order part # 17005228. Simply place the starter kit inside the produce drawer and secure it to the side with the supplied adhesive. Can be used in all refrigerator produce drawers