Lampe Berger lampes eliminates odors, purifies the air and kills mold and mildew. Burn your Lampe Berger for 2-4 minutes initially to get the stone to reach desired temperature. Blow out your flame and put the open cap over the hot stone. Enjoy the fragrance throughout your home or office for 20 – 30 minutes then put the solid cap to turn your Lampe Berger off. All odors will be removed!