Bad odors happen, but we don"t have to live with them. The Smellkiller will naturally eliminate odors anywhere in a few hours without the use of chemicals, sprays or electrical current. It is the first highly-effective and environmentally safe air cleanser. Made in Germany of special high-grade stainless steel alloy, the Smellkiller has countless small grooves that literally pull orders out of the air and neutralizes them. The Zilofridge fights refrigerator odors 24/7 without the use of synthetic fragrances or harmful chemicals. So simple to use: pour some water into the tumbler which contains an integrated Smellkiller, then place the tumbler in the fridge. Will last for one to two weeks before it needs refilling.