... :,T/T,Western UnionDetailed Product Descriptionadopt HEPA filter net, Two-layer photo catalyst net, UV lamp, active carbon filter net ... active carbon filter net, negative ions and active oxygen2) Two-layer photocatalyst has strong function of refraining and killing bacterium. ... our product is a new generationof air purifier with two-layer photocatalyst to kill bacterium3) UV lamp combined with ...