staff pick
Amazon · 1 wk ago
$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
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
Popular Deal
staff pick
Amazon · 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