This two-pack of Blueair Blue Signature Mini air purifiers is $20 off the regular $99.99 price at Costco. Each unit covers up to 610 sq. ft. and uses 4-stage HEPASilent filtration that removes 99.97% of airborne particles down to 0.1 microns, with operation as quiet as 20 decibels. This deal ends November 15. Buy Now at Costco
- Each unit purifies rooms up to 610 sq. ft.
- Real-time 5-color air quality indicator
- 4-stage HEPASilent filtration removes 99.97% of airborne particles down to 0.1 microns
- Motion-sensing display with auto mode and brightness controls
- Reusable, washable pre-filters with up to 12-month filter life
- Operates as quietly as 20 decibels
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Expires 11/15/2026
Published 1 hr ago -
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This 16-in-1 air quality monitor is $23 off, dropping to $77 from its regular $100 price at Amazon. It's the best price Amazon has charged for this model. It tracks CO2, PM2.5, PM10, HCHO, TVOC, temperature, and humidity on a single 7" display, with a built-in buzzer that alerts you when readings exceed set thresholds. Buy Now at Amazon
- Tracks CO2, PM1.0, PM2.5, PM10, HCHO, TVOC, temperature, humidity, and AQI
- 7" display screen with adjustable brightness
- Built-in calibration support for consistent readings
- Built-in buzzer alerts when readings exceed set levels, with a mute option
- Switchable 12/24-hour time format and °F/°C temperature display
Update: The price has dropped to $62.98 since this was originally published.
At Amazon, get this Lecoolife 10-in-1 Indoor Air Quality Monitor for $66. It's the best price Amazon has charged for this model. It tracks ten indoor readings at once, including PM1.0, PM2.5, PM10, HCHO, and TVOC levels, along with temperature and humidity, displayed on a large color screen with real-time AQI alerts. Buy Now at Amazon
- Tracks PM1.0, PM2.5, and PM10 particle levels
- Measures HCHO and TVOC air pollutants
- Includes temperature and humidity sensors
- Large full-color display shows AQI, time, and readings
- Color-coded AQI indicator with real-time alerts
- Battery-powered desktop design measuring 4.17" x 3.54" x 1.96"
Update: The price has changed to $546.23 since this was originally published.
This NuWave OxyPure Zero Plus is $63 off its regular price of $600. It covers rooms up to 3,210 sq. ft. and uses washable, reusable filters instead of disposable HEPA filters, cutting down on ongoing replacement costs. It ships for free. Buy Now at Amazon
- Covers rooms up to 3,210 sq. ft.
- Captures 100% of particles as small as 0.09 microns
- Includes a stainless-steel pre-filter plus dual Bio-Guard filters
- Washable, reusable filters with no replacement filters needed
- Includes an ozone emission removal filter
- Offers 3 fan speeds including a turbo ultimate clean mode
Shop Costco's apparel sale and you can save up to $50 on eligible purchases. Buy 5-9 qualifying items and save $20, or buy 10 or more to save $50. The sale covers clothing, luggage, and handbags for the whole family, including plus sizes and big & tall options. The selection spans everyday basics like underwear and activewear to designer handbags and multi-piece luggage sets with features like telescoping handles and USB charging ports. Shop Now at Costco
Costco's October Online Savings spans garage storage, home appliances, TVs, and cookware. The Yardline Piermont wood storage shed sees the steepest cut, up to $1,200 off, while the All-Clad D3 13-piece cookware set drops to $649.99 after $150 off. Shoppers will also find discounts on printers, treadmills, and smart home devices across the sale. Free shipping applies to many items, and pickup may also be available. Offers end October 31. Shop Now at Costco
- SafeRacks overhead garage storage rack 2-pack, $259.99 after $140 off
- HP Smart Tank wireless all-in-one printer, $259.99 after $110 off
- NewAge Products 6-piece cabinet set, $649.99 after $200 off
- All-Clad D3 13-piece stainless steel cookware set, $649.99 after $150 off
- Samsung 65" Neo QLED 4K Mini-LED Smart TV with 5-year protection plan, $999.99
- Yardline Piermont wood storage shed, $2,999.99 to $7,599.99 after $800 to $1,200 off
Costco's Warehouse Savings event spans categories from apparel to major appliances. Costco members can take advantage of deals like a KitchenAid 6-qt. stand mixer at $299.99 after $100 off and a Kohler 26kW home standby generator at $4,999.99 after $2,000 off. Electronics shoppers can find a Dell Plus 16" touchscreen Copilot+ PC with $300 off, while furniture deals include a Thomasville Tisdale 6-piece modular sectional at $1,399.99 after $400 off. Grocery items like Ferrero Rocher chocolates and Kirkland Signature K-Cup pods are also discounted, rounding out a sale that touches nearly every department. This deal ends November 15. Shop Now at Costco
- Apparel savings on brands like 32 Degrees, PUMA, and adidas
- Appliance discounts including a KitchenAid 6-qt. stand mixer at $299.99 after $100 off
- Electronics deals such as a Dell Plus 16" touchscreen laptop with $300 off
- Furniture markdowns on sectionals from Thomasville and Broyhill
- Grocery deals including Ferrero Rocher chocolates and Kirkland Signature K-Cup pods
Costco is discounting eGift cards for dozens of restaurants, theaters, and brands, with many bundles priced below their stated value. A $100 bundle of Outback Steakhouse or Papa Johns eGift cards runs $79.99, while a $50 Regal Cinemas or Cinemark Theatres eGift card is $39.99. Options range from coffee and pizza chains to golf entertainment and PlayStation credit, all delivered digitally. Buy Now at Costco
- Two $50 Uber eGift cards for $79.99
- Four $25 Outback Steakhouse eGift cards ($100 value) for $79.99
- Two $50 eGift cards ($100 value) for $39.99 at Regal Cinemas or Cinemark Theatres
- Five $20 Peet's Coffee eGift cards ($100 value) for $79.99
- Two $75 Sony PlayStation eGift cards for $134.99
- Digital delivery available on all listed gift cards
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