Amazon offers the Brita Water Bottle Replacement Filters 3 Pack for $4.98. It's $9 off and the best price we could find for this 3-pack. Buy Now at Amazon
- BPA-free filters
- Reduces chlorine taste and odor
- Each filter lasts 40 gallons
- Fits all Brita filtering bottles
- Replaces 1,800 plastic bottles yearly
Negative ions are produced naturally near moving water and after rain, and some people use compact plug-in ionizers like these to replicate that effect indoors, particularly in bedrooms or small offices where air quality is a concern. At $9.99 for a 2-pack, that's $16 off the $25.99 list price. Apply coupon code "RQOBR68W" for a savings of $16. Buy Now at Amazon
- Purify 360° with 8 outlets, 20 million ions/second
- Run silently under 20dB for uninterrupted sleep
- Plug directly into outlets; no cords or setup
- Use minimal power for affordable 24/7 operation
- Cover two rooms with included 2-pack purifiers
Apply coupon code "FBQJNJ5Q" for a savings of $38. Buy Now at Amazon
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
Use promo code "EBAYVIP2026SALE" to get this price. It's an extremely strong deal for an air purifier. Buy Now at eBay
It's a savings of $350 and the lowest price we've seen for it in any condition. Buy Now at Best Buy
- 2,860-sq. ft. purification coverge
- Bluetooth 4.0
- Model: HP04
SideDeal offers the Vornado QUBE50 True HEPA Air Purifier for $49.99 (reduced from $99.99) with free shipping via promo code "DEALNEWS". Buy Now at SideDeal
- 3-stage HEPA filtration
- 5.6 air changes per hour for a 100-square foot room
- filter lasts up to 6 months
- filters bacteria, smoke, mold spores, pet dander, and more
It's the best deal we've seen for this model in any condition. It includes a 2-year Allstate warranty. Buy Now at eBay
- 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
Save $14 compared to the list price on this refillable air filter, suitable for enhancing air quality and reducing waste in HVAC systems. Buy Now at Amazon
- MERV 11, captures small particles
- Certified for asthma and allergies
- 2 pack, fits 16x25x4 filter frame
- Refillable, reduces storage space
- Less waste compared to traditional filters
Prime members get the best deal we could find by $110, and a savings of $300 off list. Buy Now at Amazon
- 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
That's a $20 drop for Prime members and Amazon's best-ever price. Buy Now at Amazon
- Covers up to 1095 ft²
- 3-in-1 HEPA filter
- Quiet sleep mode at 24dB
- Multiple replacement filter options
- Compact design for home use
As one of Amazon's Prime Early Deals, Prime members get this HEPA air purifier at the best price we could find by $14. Buy Now at Amazon
- for spaces up to 361 square feet
- 4-stage filtration captures up to 99.97% of particles
- 3 fan speeds
- Model: AP-1512HH
- UPC: 784331877400
- UPC: 826439142148
That's $140 off list, $9 under Amazon, and tied with our June mention as the lowest price we've seen. Buy Now at Best Buy
- oscillates up to 350°
- programmable
- for up to 800-sq. ft.
- night mode
- Model: 573788-01
Target discounts a wide selection of Shark vacuums and purifiers just in time to get the house ready for our next football party. Plus, Target Circle Card members can get an extra 5% off every deal. Buy Now at Target
It's $53 off and the lowest price it's been at Amazon. Buy Now at Amazon
- 360° Electrostatic filter
- 360° Activated Carbon filter
- 24dB in Sleep mode
- MyDyson app & voice assistant compatible
- Model: SP01-A
Clip the on-page coupon to get this price. It's a savings of $77. Buy Now at Amazon
- 3-stage filtration
- three fan speeds
- coverage area up to 840-sq.ft
- sleep timer
- Model: HERAP-MSA3
Clip the $25 coupon to save $47 compared to the typical price and $87 compared to the list price. Buy Now at Amazon
- Covers up to 2,145 sq ft
- Filters 99.99% pollutants
- Smart particle sensor
- Includes timer and sleep mode
- Has child lock feature
That's $11 below our October mention and the lowest price we've seen. Buy Now at Amazon
- for spaces up to 650-sq. ft.
- exceeds HEPA standards
- traps 99.98% of large, small, and micro-sized particles
- Model: HP152
- UPC: 622356619240