In Terms of sheer air purifying power, the Alen is top rated with our testers. You can expect to fork out a premium for that efficiency, and it is a beast of a device, but the Alen is the scarce equipment that may seize contaminants down to 0. #เครื่องฟอกอากาศในห้องนอน ยี่ห้อไหนดี waiting for link from Social Network Posts (5)