Air Purifiers on Sale

Anyone dealing with allergies or pets in the house will notice the difference a MERV 11 filter makes over a standard 4-6 rated one, and having five on hand means you're set for a year without another trip to Home Depot. Buy Now at Home Depot

Anyone dealing with allergies or pet dander in a larger room will get the most use out of the H13 HEPA filter, which captures 99.97% of airborne particles down to 0.3 microns; Home Depot has it for $102, exactly half the $204 list price. Buy Now at Home Depot

Anyone dealing with pet dander or seasonal allergies will notice the difference with a MERV 11 rating, and having two filters on hand means you won't scramble when it's time to swap them out. Buy Now at Home Depot

Anyone dealing with pet hair and dander around the house will get the most out of this combo, since it tackles airborne allergens while cutting down on the shedding that causes them in the first place. Buy Now at Home Depot

Owners of the Winix C545 who share their home with pets will want this filter, since it's built to tackle pet odors and dander specifically rather than just general dust and allergens. Buy Now at Home Depot

This size is easy to overlook when stocking up, so having a 3-pack on hand saves you from scrambling when a filter change is due. MERV 11 offers a solid middle ground for capturing dust and allergens without straining airflow in most home HVAC systems. Buy Now at Home Depot

Homeowners who don't want to reorder filters every few months will appreciate having a dozen on hand, and MERV 11 rated pleated filters like this one strike a solid balance between trapping allergens and not choking off your HVAC airflow. Buy Now at Home Depot

Bedrooms and home offices are where this one makes sense, since it's built for smaller spaces where you want cleaner air without a bulky unit taking over the room. Right now it's $5 off the $95 list price. Buy Now at Amazon

Update: The price has changed to $89.99 since this was originally published.

This suits anyone covering a large room who needs real coverage rather than a desk-sized unit, and it's priced at $89.98, which is $40 (about 31%) off the $129.99 list price. Buy Now at Amazon

Anyone with an oversized HVAC system that takes this less common 4" depth will want this size on hand, since it's not a filter you can easily grab at a regular store when you run out. Buy Now at Home Depot

Dust, pet hair, and allergens get pulled through the HEPA filter, which makes this a solid pick if you're dealing with pet odors or seasonal allergies in a mid-size room. It's currently $30 off the list price, down to $80. Buy Now at Amazon

Keeps allergens and dust in check for anyone running an AP401 or AP402 purifier, and swapping in a fresh 2-pack twice a year is easy to forget until air quality drops. Walmart has it at $48.59, about $5 off the $54 list price. Buy Now at Walmart

Anyone running a Honeywell HPA300, HPA200, HPA100, HPA090, or 5000 Series air purifier will eventually need replacement filters, and this 6-pack of H13 True HEPA filters covers you for roughly a year or more depending on use. Walmart has it at $33.29, about $4 off the $36.99 list price. Buy Now at Walmart

This 2-pack suits anyone due for a routine filter swap without wanting to order again in a few weeks, and Walmart has it for $15.29, about $1.70 off the $16.99 list price. Buy Now at Walmart

Anyone running an AP303 or AP304 purifier needs a filter swap every so often to keep it working as intended, and this replacement is $4.34 below list. Buy Now at Walmart

Anyone dealing with allergens or pet odors in a larger living space can cover a lot of ground with this one, since it's rated for rooms up to 2,250 sq ft. Walmart has it for $62.99 right now, $17 off the $79.99 list price. Buy Now at Walmart

Covering up to 1,076 square feet, this suits anyone trying to clear allergens or pet dander from an open living space rather than just a bedroom, and the H13 HEPA filter is the detail that matters most for actual air quality. Walmart has it at $47.99, $28 off the $75.99 list price. Buy Now at Walmart

Anyone dealing with allergies or a larger living room will get more mileage out of this since it covers up to 1,076 square feet with true HEPA filtration, and it's currently $23 off the list price at Walmart. Buy Now at Walmart

This replacement 2-pack suits owners who don't want to keep buying single filters one at a time as their KXY550 cycles through them, and at $42.11 it's $17.88 off the $59.99 list price. Buy Now at Walmart

Handy for anyone dealing with pet dander or seasonal allergies in a small to medium room, and at $40 it's roughly half the $79 list price. Buy Now at Walmart

Handy for owners of Alrocket or Aroeve purifiers who need to swap filters on a schedule without ordering one at a time, and Walmart has the 2-pack for $4 off the $19 list price. Buy Now at Walmart

Anyone running a Vavsea or Mooka air purifier will want these on hand, since swapping in a fresh filter every few months keeps the unit actually pulling dust and odors instead of just circulating them. Buy Now at Walmart

Handy for anyone running an air purifier that takes the FLT5000, since the carbon pre-filter helps trap odors before they hit the HEPA layer, and it's currently $2.34 off the list price at Walmart. Buy Now at Walmart

Anyone running an HPA300 air purifier will eventually need replacement filters, and this 9-piece set covers both HEPA and carbon pre-filters in one order. It's $2.79 (10%) off the $27.89 list price at Walmart. Buy Now at Walmart

Homeowners running a whole-house HVAC system will get roughly a year's worth of filtration out of this 2-pack, since MERV 11 filters catch dust, pollen, and pet dander without restricting airflow the way higher ratings can. At $56, that's $47 (about 46%) off the $103 list price. Buy Now at Walmart