When to Buy

Independent ratings and reviews of when to buy.

	Product	Rating
	Levoit Core 400S Smart Air Purifier for Home Large Rooms up to 990 sq ft Levoit	4.7	Check Price
	Winix AM90 Wi-Fi Air Purifier with HEPA Filter and PlasmaWave Technology Winix	4.6	Check Price
	Coway Airmega AP-1512HH(W) True HEPA Purifier with Air Quality Monitoring Coway	4.7	Check Price