คุณภาพและการรับประกันที่เชื่อมันได้ Adjustability: We Only picked air purifiers with at least three adjustable pace levels. Air purifiers is often loud at their highest pace — getting lessen, quieter speed alternatives, particularly in bedrooms, is essential, based upon private experience. Corbat recommends acquiring air purifiers examined and Qualified by AHAM that are waiting for link from Social Network Posts (32)