On The subject of sheer air purifying electrical power, the Alen is best with our testers. You will pay out a quality for that overall performance, and it is a beast of the unit, nevertheless the Alen will be the scarce equipment that will seize contaminants down to 0. นอกจากราคาเครื่องเริ่มต้นแล้ว waiting for link from Social Network Posts (39)