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Top Air Purifiers for User Comparison



	Alen A350 Air Purifier	Whirlpool Whispure 250 Air Purifier	Whirlpool Whispure 450 Air Purifier
Specs
Rating
Price	$399 - $698	$200 - $299	$399
Sq. Ft. Coverage	800 Sq. Ft.	250 Sq. Ft.	450 Sq. Ft.
Warranty		1 Year	1 Year
Weight	16 lb.	17 lb.	25 lb.
Filter Change Indicator	With Replace Filter Indicator	With Replace Filter Indicator	With Replace Filter Indicator
MPN	ALENA350	Whispure 250	Whispure 450
HEPA Filter	With HEPA Filter	With HEPA Filter	With HEPA Filter
Height	18.5 in.	19 in.	22 in.
Width	17.48 in.	14 in.	17.75 in.
Depth	8.23 in.	10 in.	11 in.
Quiet Operation	With Quiet Operation		With Quiet Operation

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