... Ionization tube technology, it releases a large number of negative groups to the air by special high ... a bactericidal purification, removal of formaldehyde, air disinfection, corrosion preservation, the role of odor removal. Specifications: Ion ... operationCompact and portableEasy cleaning /change filters designSafe, economical of Plasma technologyCE & RoHs CertificateBenefits:Freshens stale airSafe, ...