Walmart Air Purifier Deals & Air Purifier Sales

Replacement HEPA filters for air purifiers are a recurring cost, so finding your specific model's filter at a discount is worth noting. At $28, that's about $19 off the $48 list price for the Airfire AP302 filter. Buy Now at Walmart

Replacement filters for the Shark HE4FKPET air purifier, sold as a 4-pack so you're not constantly reordering one at a time — a practical buy if you run your purifier year-round or have pets that shed heavily. Buy Now at Walmart

Replacement filters for the Levoit Core 300 air purifier, and at a lower price than the official Levoit version if you're looking to cut ongoing maintenance costs. Buy Now at Walmart

The Airfire AP201 uses a true HEPA filter to capture airborne particles like dust, pollen, and pet dander, making it a reasonable option for a bedroom or small living space if you want cleaner air without spending much. At $44, it's $36 off the $80 list price. Buy Now at Walmart

Replacement filters for air purifiers are a recurring cost, so buying at a lower price just makes sense if you're already using this model. At $18, that's about $2 off the $20 list price. Buy Now at Walmart

A straightforward buy if your Fil-fresh F1 purifier is due for a filter swap and you'd rather stock a spare than reorder sooner than expected. Buy Now at Walmart

Replacement filters for the FLT4100 purifier, combining a True HEPA layer for particulates with an activated carbon layer for odors, which covers the two most common reasons people run an air purifier in the first place. Buy Now at Walmart