staff pick
eBay · May 6, 2026
$300 $1,000
free shipping
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At eBay, use promo code "BRANDS4YOU" to get this refurb Dyson PH04 Humidify+Cool Formaldehyde Purifier for $299.99. It's the best deal we've seen for this model in any condition. Dyson charges $900 for a new one. It includes a 2-year Allstate warranty. Coupon expires May 10. Buy Now at eBay
Features
- 3 fan modes
- deep clean cycle
- fully sealed to HEPA H13 standard
- detects and destroys formaldehyde released from household items
- circulates purified, humidified air
- Model: 369207-01
expired
Amazon · Expired Oct 4, 2024
$349 w/ Prime $749
free shipping w/ Prime
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Prime members get the best deal we could find by $110, and a savings of $300 off list. Buy Now at Amazon
Features
- Cleans up to 3,120 sq ft
- True HEPA filters reduce 99.999% particles
- Smart, Eco, and Sleep modes
- Air Quality Indicator with alerts
- Timer for energy saving
- Includes 5-year warranty
expired
Adorama · Expired Mar 17, 2025
$60 $160
free shipping
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That's the best price we could find by $108. Buy Now at Adorama
Features
- USB-C charging
- up to 6 hour battery life
- Model: F00057
expired
Amazon · Expired Nov 27, 2024
$349 $650
free shipping
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It's now at the best price we've seen. Buy Now at Amazon
Features
- 350° adjustable oscillation
- night mode
- remote control
- Model: 369806-01
expired
Walmart · Expired Nov 7, 2024
$128 $229
free shipping w/ Prime
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That's a savings of $101 off list, and the lowest price we've seen for one of the highest rated HEPA air purifiers. Buy Now at Walmart
Features
- Covers up to 1,748 sq ft
- True HEPA reduces 99.999% of particles
- Auto and Eco Mode included
- Air quality and filter indicators
- Ultra quiet operation
expired
Amazon · Expired Sep 13, 2024
$56 $200
free shipping
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That's easily the best we've seen and a low by almost $100 right now. Buy Now at Amazon
Features
- 72" power cord
- for rooms up to 500-sq. ft.
- measures 9.13" x 9.13" x 14.5"
- Model: CAP-500
- UPC: 086279184924