Forest Anion™, an unique engineered ionizer product, unlike any ionizer product you know, Forest Anion™ features a negative ion generator that emits negative ions into the air. These negative ions neutralize positive ions that can be present in the surrounding. With Forest Anion™, those nasty airborne particles like smell, odour, smoke, fumes, even harmful chemicals etc. will be thoroughly eliminated, leaving the air cleaner, fresher and healthier. With Forest Anion™, now you can live in a busy city but yet enjoy the clean freshness of a green forest.