ขึ้นอยู่กับประเภทของไส้กรองและการใช้งาน โดยปกติ Whilst Not essentially the most elegant, the Honeywell HPA300 is a robust air purifier that gave a powerful overall performance inside our exams. And while it scored marginally much better on dust, it did perfectly to filter smoke, odors and pollen in a big Area. The MinusA2 from waiting for link from Social Network Posts (27)