... the interior harmful gas molecules. 2..Dedicated to the adsorption of formaldehyde, benzenes, ammonia, radon and other harmful gases and ... radon and other harmful gases indoors. Meanwhile it owns of removing away of mildew smell, deodorize and sterilize. For the constant ... , advanced coatings and resin production or in the field of preservation. 2, Strong efficacyAs to a highly active adsorption ...