Popular Deal
expired
Amazon · Expired Jun 17, 2026
Popular Deal
$23 via Sub. & Save $60
free shipping w/ Prime
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At Amazon, check out with Subscribe & Save to get the Filtrete 16x25x1 MERV 11 MPR 1000 AC & Furnace Air Filters 4-Pack for $23. It's the best price we could find by $21. Each filter is rated for 90-day use and carries asthma- and allergy-friendly certification. Buy Now at Amazon
Popular Deal
staff pick
Amazon · Jul 26, 2026
Popular Deal
$25 $63
free shipping w/ Prime
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At Amazon, get the Filtrete 14x36x1 MPR 700 Air Filter 6-Pack for $24.12 when you check out with Subscribe & Save. It's the best deal we could find by $31. Each filter is rated MPR 700, equivalent to MERV 8, and is designed to last up to 3 months. Buy Now at Amazon
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Amazon · Expired Jun 27, 2026
$100 w/ Prime $160
free shipping
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That's a $20 drop since December and the lowest price we've ever seen. The filter exceeds HEPA standards, capturing 99.98% of particles down to 0.2 microns, and the NeverChange filtration design is rated to save up to $150 in replacement filter costs over five years versus comparable units. Coverage is rated for up to 250 sq. ft. per hour. Buy Now at Amazon
Features
- Covers up to 250 sq. ft. per hour (AHAM AC-1)
- NanoSeal filter captures 99.98% of particles at 0.2 microns
- CleanSense IQ real-time air quality display (PM 1.0–10)
- NeverChange long-lasting filtration (no replacement filters needed)
- Odor Neutralizer Technology cartridge
- Ultra-quiet operation w/ dimmable lights
staff pick
Amazon · Aug 27, 2026
$54 $85
free shipping
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This X-Sense radon detector is $54. That's the best price we've seen for it. It's $31 off its regular price of $85 and is currently cheaper than its recent Amazon average of $72. It tracks radon levels for up to 999 days without lab fees and can deliver results within 24 hours, reaching 95% accuracy after a week or more of monitoring. Free shipping applies. Buy Now at Amazon
Features
- Tracks radon levels for up to 999 days without lab fees
- Delivers results in 24 hours, with accuracy reaching 95% after 7 or more days
- Compact 3.6" x 3.2" x 3.0" design with a 2-year battery life
- Sound-and-light alerts trigger when radon levels exceed the set threshold
- Stores up to 99 records locally with one-touch data reset
- Built-in thermometer monitors indoor temperature and humidity
expired
Amazon · Expired Aug 25, 2026
$54 $85
free shipping
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This X-Sense radon detector is $31 off its regular price of $85 and comes in below Amazon's typical price of around $74. It's also at its all-time price low on Amazon. It tracks radon levels for up to 999 days without lab fees and includes a built-in thermometer and humidity sensor for added home monitoring. It ships for free. Buy Now at Amazon
Features
- Tracks radon levels for up to 999 days without lab fees
- Compact 3.6" x 3.2" x 3.0" size for placement anywhere in the home
- 2-year battery life using AA batteries
- Sound-and-light alerts when radon levels exceed the safety threshold
- Stores up to 99 local readings with report and review buttons
- Built-in thermometer and humidity monitoring
expired
Amazon · Expired Jul 29, 2026
$60 $230
free shipping
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Clip the on-page coupon to drop this Ecoself air purifier to $59.99. It covers rooms up to 1,800 sq. ft. and includes a sleep mode that drops noise to 20 dB while turning off all lights. Buy Now at Amazon
Features
- Covers rooms up to 1,800 sq. ft.
- 360° air intake design
- Auto mode with real-time PM2.5 sensor
- Display shows live air quality readings
- Sleep mode runs as quiet as 20 dB with lights off
- 1-24 hour timer setting
staff pick
Amazon · 5 days ago
$80 $100
free shipping
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This X-Sense radon detector is $80. That's $20 off, and at its all-time low price on Amazon. It tracks radon levels for up to 999 days and sends readings to a companion app, letting you monitor trends over time instead of relying on a single snapshot. Free shipping applies. Buy Now at Amazon
Features
- Connects to 2.4 GHz Wi-Fi for app-based monitoring and notifications
- Stores up to 999 days of radon level history
- LCD screen displays current radon levels and trend arrows
- Runs on 3 AA batteries with up to 2 years of battery life
- Tracks temperature and humidity trends alongside radon data
- Measures 3.1" x 3.2" x 2.79" and weighs 1.08 lb.