Eco-friendly odor absorber Doctor Wax, Alps breathing. Non-toxic, bio-degradable gel odor absorber. In contrast to air fresheners, it does not mask but absorbs odors of synthetics, tobacco smoke, mustiness, pets, food, and sweat. It is especially efficient in keeping fresh air in a car and truck cabins, boats and everywhere with lots of porous and lint materials creating conditions for bacteria reproduction which emit odors. One package is enough for 36 m2 and lasts for up to 3 months. The product lasts for up to 6 months in a car cabin.