Get set for smoke-thick air with carbon monoxide detectors from $8.99, air purifiers from $36.95, and more. We've pictured the Germ Guardian 4-in-1 Digital Air Purifier for $79.99 (low by $8). Shipping adds $6.99, but orders of $35 or more get free shipping. (Pickup may also be available.) Shop Now at Walmart
That's $40 off and a great price for a air purifier for smaller rooms. Buy Now at Walmart
- True H13 HEPA Air Filter
- Multi-color ambient light
- Various timer settings
- For rooms up to 322 square feet
This portable air purifier is perfect for small spaces like the car. Buy Now at Walmart
- 3-in-1 H13 HEPA filter
- Model: BH3436213006A
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
- 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
That's a $31 low. Buy Now at Walmart
- three speed settings
- for spaces up to 170 sq. ft.
This best seller is $104 off and the best price we could find by $4. Buy Now at Walmart
- for rooms up to 1,600-sq. ft.
- four fan speeds
- three modes
- 5-Stage HEPA Filtration
You can grab this Dirt Devil air purifier today at its best-ever price. It uses a 360-degree air intake to remove allergens, dust, and odors. Shipping is free. Buy Now at Walmart
- built-in night light and fan
- 160-sq. ft. coverage
- 30 dB noise level
- Model: WD10100V
You'd pay $83 at Best Buy. Buy Now at Walmart
- for up to 150-sq. ft.
- HEPA filter
- 360° airflow
- three speeds
- Model: AC4700BDLX
MERV 8 filtration is a reasonable middle ground for most homes, catching dust, pollen, and pet dander without restricting airflow the way higher-MERV filters can, and at $33 you're saving about $4 off the list price. Buy Now at Walmart
- Fits 16x25x1 HVAC, furnace, and AC systems
- Installs instantly with no adjustments required
- MERV 8 certified filtration performance
- Captures fine dust and common allergens
- Improves airflow cleanliness for healthier breathing
Designed for larger living spaces where smaller units fall short, this air purifier covers up to 2,600 square feet, making it a practical option for open floor plans or anyone dealing with allergens, dust, or smoke across a wide area. It's currently $90, down $110 from the $200 list price. Buy Now at Walmart
- Purifies up to 2,600 sq ft per hour
- Captures 99.97% dust, smoke, pet dander
- Auto-adjusts fan speed using real-time AQI sensor
- 22dB sleep mode for quiet overnight purification
- Washable pre-filter extends filter life; replacement reminders
Households with larger open floor plans or multiple connected rooms will get the most out of this, since the 1500 sq ft coverage means you're not buying a second unit just to handle the main living areas, and the app control lets you adjust settings without getting up. Buy Now at Walmart
- Cleans up to 1500 sq ft for whole-room coverage
- Captures allergens with H13 HEPA 3-stage filtration
- Removes smoke and odors for fresher indoor air
- Control fan speed and timers remotely via app
- Monitor filter life with built-in change indicator
Covering rooms up to 600 sq ft, this purifier suits apartments or open living spaces where you want basic air filtration without spending much, and it's currently $30 off the $48 list price. Buy Now at Walmart
- True HEPA 3-stage filtration improves indoor air quality
- Cleans up to 600 sq ft in 40 minutes
- Runs quietly at 16dB for undisturbed sleep
- LCD touch controls with 3 speeds and timers
- 12-month warranty with 24/7 after-sales support
Designed to handle rooms up to 1,076 square feet, this air purifier is a reasonable pick if you're dealing with dust, pet dander, or general air quality concerns in a mid-to-large living space. It's currently $36, which is half the $70 list price. Buy Now at Walmart
- Captures smoke, pollen, pet dander, and hair for cleaner air
- Runs quietly at 25dB in sleep mode
- Add essential oils using built-in aromatherapy pad
- Set 3 timers with automatic shutoff
- 12-month warranty with 24-hour after-sales support
For households dealing with allergies, pet dander, or general dust, a HEPA air purifier at this size and price point is a straightforward way to filter indoor air without much ongoing effort. At $40, it's $100 below the $140 list price. Buy Now at Walmart
- H13 HEPA filtration captures ultrafine particles and PM2.5
- Removes pet hair, smoke, and household odors
Owners of Honeywell HPA300 air purifiers go through filters regularly, and stocking up with a 7-pack keeps you covered for years without repeat purchases. At $28, that's $33 off the $61 list price. Buy Now at Walmart
- Remove odors and fumes with activated carbon filter
- Capture 99.97% of 0.3-micron particles with H13 HEPA
- Fits Honeywell HPA100/200/300 and 5000 Series purifiers
- Fits Honeywell HPA300 series carbon pre-filter A
- Maintain airflow with machine-folded pleats and reinforced edges
Replacement filters for your Dreo HPA024 air purifier, sold as a 1-pack for $21, which is $3 off the $24 list price. Buy Now at Walmart
- 3-in-1 HEPA filtration captures fine particles
- Activated carbon reduces odors and VOCs
- Traps larger airborne pollutants and dust
- Easy replacement for fast, tool-free maintenance
- Genuine DREO replacement filter for perfect fit
Covering up to 2,400 sq ft, this air purifier suits anyone dealing with allergies, pets, or dust in larger living spaces where a smaller unit would fall short. It's currently $10 off the $100 list price. Buy Now at Walmart
- Cleans up to 2400ft², two air changes per hour
- Captures 99.97% of airborne particles
- Shows real-time PM2.5 air quality, auto-adjusts fan speed
- Sleeps quietly at 22dB with optional aromatherapy
- Timer, child lock, and filter indicator simplify daily use
Designed for anyone dealing with allergies, pet dander, or general air quality concerns in a larger living space, this HEPA purifier filters particles down to 0.3 microns and is currently priced at $46, which is $63 below the $109 list price. Buy Now at Walmart
- Cleans 675 sq.ft/hour with 150 m³/h CADR
- H13 HEPA captures 99.95% of 0.3-micron particles
- Sleep quietly at 22dB while purifying
- Add aromatherapy scents while cleaning the air
- Prevent accidental changes with child lock and timers
Replacing the filter on your Dreo air purifier every few months is what keeps it actually pulling allergens, dust, and odors out of the air rather than just circulating them, so this is a routine buy for anyone who owns a compatible Dreo unit. At $22, it's $3 off the $25 list price. Buy Now at Walmart
- Relieve allergy symptoms with efficient air purification
- Remove odors with built-in filtration
- Use one filter for easy maintenance
- Enjoy silent, powerful air cleaning
- Clean easily with durable, washable design