41	Surround Air XJ3000 Air Purifier - Multi-Tech Purifier Coverage Area: 500 sq.ft More + Add to Shopzilla List	$105 to $300 Found at 18 stores
42	Friedrich C-90B Air Purifier With 3 Speeds More Rating: 3 reviews + Add to Shopzilla List	$300 to $510 Found at 7 stores
43	Tiger AKH-A25U HEPA Air Purifier With Built-In Ionizer More + Add to Shopzilla List	$161 to $204 Found at 8 stores
44	Lennox X6675 Media Filter Size: 20 x 25 in. - For: HCF2016 Air Cleaner More + Add to Shopzilla List	$99 to $100 Found at 3 stores
45	Alen Ultra HEPA A375UV Air Purifier Coverage Area: 800 sq.ft More + Add to Shopzilla List	$599 to $675 Found at 10 stores
46	Austin Air HealthMate Jr. HM200 Air Purifier Maximum Coverage Area 700 SqFt, 3 Speed Control Switch More + Add to Shopzilla List	$135 to $350 Found at 12 stores
47	Honeywell HHT-011 HEPA Air Purifier Coverage Area 8.5 sq.ft More + Add to Shopzilla List	$38 to $70 Found at 19 stores
48	Vornado Air Quality System 500 Air Purifier Whole Room More + Add to Shopzilla List	$82 to $180 Found at 8 stores
49	Guardian Technologies AC4000 Hygia Complete Air Purifier 4 stages of filtration - Create a healthier indoor enviornment - HEPA filter captures 99.9% of airborne particle - More + Add to Shopzilla List	$67 to $76 Found at 5 stores
50	3M Filtrete FAP03RS Ultra Clean Air Purifier 350 sq. ft. Area Coverage - Filter Change Indicator More + Add to Shopzilla List	$180 to $192 Found at 3 stores
51	Oreck ProShield Air Purifier + Add to Shopzilla List $350 at Oreck Corporation Not yet rated	$350 Found at 1 store
52	Holmes HAP242-UC Air Purifier Coverage Area: 109 sq.ft - With 3 Speeds More Rating: 2 reviews + Add to Shopzilla List	$35 to $76 Found at 17 stores
53	Blueair 402 Air Purifier Coverage Area: 365 sq.ft - With 4 Speeds More + Add to Shopzilla List	$120 to $529 Found at 10 stores
54	Allerair 5000 Vocarb Air Purifier Coverage Area: 1500 sq.ft - With 3 Speeds More + Add to Shopzilla List	$200 to $800 Found at 16 stores
55	Iqair GCX Air Purifier With Remote Control - Coverage Area: 1200 sq.ft - With 5 Speeds More + Add to Shopzilla List	$1,895 to $2,199 Found at 10 stores
56	Honeywell HAC504 Replacement Humidifier Wick Filter adds an air washing prefilter layer to help trap dirt, dust and pollen More Rating: 1 review + Add to Shopzilla List	$8 to $18 Found at 13 stores
57	Honeywell 29500 HEPA Air Filter E295 Equivalent HEPA Filter: 29500 Fits Models Honeywell Enviracaire Air Purifiers : 50300, 50311,... More + Add to Shopzilla List	$54 to $93 Found at 5 stores
58	Sharper Image Ionic Breeze Hybrid Gp Clean Air Purifier + Add to Shopzilla List $140 at eBay	$140 Found at 1 store
59	Aprilaire 5000 Electronic Whole-House Air Cleaner More + Add to Shopzilla List	$460 to $519 Found at 3 stores