We may earn a commission when you buy through links on this page, at no extra cost to you. Rankings are computed from specs and prices, never from commissions. How we make money
Air purifier replacement filters
The filter is the real cost of owning a purifier. Here's which one each model takes, what it costs and what that adds up to each year, cheapest first.
| Purifier | Filter | Price | Replace | Per year | |
|---|---|---|---|---|---|
| Blueair Blue Pure 411i+ Max | Blue Pure 411i Max Particle + Carbon Filter | $29.99 | 12 mo | $30 | |
| Blueair Blue Signature (Small) | Blue Signature Small Replacement Filter | $39.99 | 12 mo | $40 | |
| Coway Airmega 150 | Airmega 150 & 160 Filter Set | $49.99 | 12 mo | $50 | |
| Levoit Core 200S-P | Core 200S-P 3-Stage Filter | $25.99 | ~6 mo | $52 | |
| Blueair Blue Pure 511i Max | Blue Pure 511i Max SmokeBlock Filter | $38.99 | 9 mo | $52 | |
| Coway Airmega Mighty AP-1512HH | Mighty AP-1512HH & 200M Filter Set | $59.79 | 12 mo | $60 | |
| Coway Airmega 200M | Mighty AP-1512HH & 200M Filter Set | $59.79 | 12 mo | $60 | |
| Levoit Core 300S-P | Core 300 Series Original Filter | $29.99 | ~6 mo | $60 | |
| Blueair Blue Pure 311i+ Max | Blue Pure 311i+ Max Particle + Carbon Filter | $49.99 | 9 mo | $67 | |
| Blueair Blue Signature (Medium) | Blue Signature Medium Filter | $69.99 | 12 mo | $70 | |
| Coway Airmega Mighty2 AP-1512N | Airmega Mighty2 Max2 Filter (Fresh Starter) | $69.99 | 12 mo | $70 | |
| Levoit Vital 100S-P | Vital 100S Replacement Filter | $39.99 | ~6 mo | $80 | |
| Coway Airmega 250 | Airmega 250 Max2 Filter | $89 | 12 mo | $89 | |
| Blueair Blue Pure 211i Max | Blue Pure 211i Max Particle + Carbon Filter | $69.99 | 9 mo | $93 | |
| Coway Airmega 300 | Airmega 300•300S Max2 Filter Set | $99 | 12 mo | $99 | |
| Levoit Vital Pet Pro | Replacement Filter for Vital Pet Pro / Vital Pet | $49.99 | 6 mo | $100 | |
| Levoit Vital 200S-P | Vital 200S Replacement Filter | $49.99 | ~6 mo | $100 | |
| Levoit Core 400S-P | Core 400S-P 3-Stage Filter | $49.99 | ~6 mo | $100 | |
| Blueair Blue Signature (Large) | Blue Signature Large Filter | $99.99 | 12 mo | $100 | |
| Blueair DustMagnet 5440i | DustMagnet 5400 Series Filter | $54.99 | 6 mo | $110 | |
| Levoit Core 600S-P | Core 600S-P Original Filter | $59.99 | ~6 mo | $120 | |
| Coway Airmega 400 | Airmega 400 Max2 Filter Set | $129 | 12 mo | $129 | |
| Levoit EverestAir-P | EverestAir-P Replacement Filter | $99.99 | ~6 mo | $200 |
Prices and replacement schedules are each brand's own. "~6 mo" means the brand doesn't state a schedule on its product page and we assume 6 months. Yearly cost = 12 ÷ months × price.
Smoke, pet and allergen filters, and pre-filters
Some makers sell other versions of a purifier's filter, and separate pre-filters. We list one for a purifier only where the maker's own listing names that model. Each purifier's filter page quotes that wording with its source and the date we last found it there.
| Purifier | Type | Filter | Price | |
|---|---|---|---|---|
| Blueair Blue Pure 411i+ Max | Smoke | Blueair Blue Pure 411i Max, 411i+ Max, 411a Max Smokeblock Filter | $39.99 | |
| Blueair Blue Pure 411i+ Max | Allergen | Blueair Blue Pure 411i Max, 411i+ Max, 411a Max Allergenblock Filter | $44.99 | |
| Coway Airmega 150 | Pre-filter | Coway Airmega 150 Pre-Filter | $30 | |
| Blueair Blue Pure 511i Max | Smoke | Blueair Blue Pure 511i Max Smokeblock Filter | $38.99 | |
| Blueair Blue Pure 511i Max | Allergen | Blueair Blue Pure 511i Max Allergenblock Filter | $44.99 | |
| Coway Airmega Mighty AP-1512HH | Smoke | Coway Airmega Mighty AP-1512HH & 200M Filter Set: Intense Smoke Filter | $64.99 | |
| Coway Airmega Mighty AP-1512HH | Allergen | Coway Airmega Mighty AP-1512HH & 200M Filter Set: Allergen Filter | $64.99 | |
| Coway Airmega Mighty AP-1512HH | Pet | Coway Airmega Mighty AP-1512HH & 200M Filter Set: Pet Filter | $64.99 | |
| Coway Airmega Mighty AP-1512HH | Pre-filter | Coway Airmega 200M & AP-1512HH Pre-Filter | $30 | |
| Coway Airmega 200M | Smoke | Coway Airmega Mighty AP-1512HH & 200M Filter Set: Intense Smoke Filter | $64.99 | |
| Coway Airmega 200M | Allergen | Coway Airmega Mighty AP-1512HH & 200M Filter Set: Allergen Filter | $64.99 | |
| Coway Airmega 200M | Pet | Coway Airmega Mighty AP-1512HH & 200M Filter Set: Pet Filter | $64.99 | |
| Coway Airmega 200M | Pre-filter | Coway Airmega 200M & AP-1512HH Pre-Filter | $30 | |
| Levoit Core 300S-P | Smoke | Levoit Core 300-P 4-Stage Smoke Remover Replacement Filter | $39.99 | |
| Blueair Blue Pure 311i+ Max | Smoke | Blueair Blue Pure 311i+ Max Smokeblock Filter | $64.99 | |
| Blueair Blue Pure 311i+ Max | Allergen | Blueair Blue Pure 311i+ Max Allergenblock Filter | $69.99 | |
| Blueair Blue Pure 311i+ Max | Pre-filter | Blueair Blue Pure 311i+ Max Pre-Filter | $11.99 | |
| Blueair Blue Signature (Medium) | Pre-filter | Blueair Blue Signature™ Medium Pre-Filter | $22.99 | |
| Levoit Vital 100S-P | Pet | Levoit Vital 100S-P Pet Allergy Carbon Replacement Filter | $44.99 | |
| Levoit Vital 100S-P | Odors and fumes | Levoit Vital 100S-P Toxin Absorber Carbon Replacement Filter | $44.99 | |
| Levoit Vital 100S-P | Smoke | Levoit Vital 100S-P Smoke Remover Carbon Replacement Filter | $49.99 | |
| Coway Airmega 250 | Pre-filter | Coway Airmega 250 Pre-Filter | $35 | |
| Blueair Blue Pure 211i Max | Smoke | Blueair Blue Pure 211i Max SmokeBlock Filter | $84.99 | |
| Blueair Blue Pure 211i Max | Allergen | Blueair Blue Pure 211i Max AllergenBlock Filter | $89.99 | |
| Blueair Blue Pure 211i Max | Pre-filter | Blueair Blue Pure 211i Max Pre-Filter | $12.99 | |
| Coway Airmega 300 | Pre-filter | Coway Airmega 300 Pre-Filter | $35 | |
| Levoit Vital 200S-P | Pet | Levoit Vital 200S-P Pet Allergy Carbon Replacement Filter | $59.99 | |
| Levoit Vital 200S-P | Odors and fumes | Levoit Vital 200S-P Toxin Absorber Carbon Replacement Filter | $59.99 | |
| Levoit Vital 200S-P | Smoke | Levoit Vital 200S-P Smoke Remover Carbon Replacement Filter | $64.99 | |
| Levoit Core 400S-P | Pet | Levoit Core 400S-P Pet Allergy Carbon Replacement Filter | $59.99 | |
| Levoit Core 400S-P | Odors and fumes | Levoit Core 400S-P Toxin Absorber Carbon Replacement Filter | $59.99 | |
| Blueair Blue Signature (Large) | Pre-filter | Blueair Blue Signature™ Large Pre-Filter | $24.99 | |
| Levoit Core 600S-P | Odors and fumes | Levoit Genuine Core 600S-P Air Purifier Toxin Absorber Replacement Filter | $69.99 | |
| Levoit Core 600S-P | Smoke | Levoit Core 600S-P Smoke Remover Replacement Filter | $79.99 | |
| Coway Airmega 400 | Pre-filter | Coway Airmega 400 Pre-Filter | $35 |
Want the whole running cost, with electricity? See the cheapest purifiers to run or how we estimate running costs.