คุณภาพและการรับประกันที่เชื่อมันได้ Adjustability: We Only picked air purifiers with at the least a few adjustable speed degrees. Air purifiers can be loud at their highest pace — owning lower, quieter pace possibilities, particularly in bedrooms, is essential, dependant on personal expertise. Corbat suggests obtaining air purifiers examined and Qualified by AHAM https://www.mannature.com/products/detail/airpurifier