2In stock · ships free
Air Purifier Filters
Built by Think Crucial to fit the original machines. Type the model number from your machine's label and we'll show the parts that fit.
2-Pack Filters for Hunter Air Purifiers (30931)
Fits 15 Hunter models
Rated 4.6 out of 5, 277 ratings on Amazon
$52.99
Add to cartOut of stock (1)
Filter for Hunter 30729, 30730, 30763 & 36730
Fits 4 Hunter models
Rated 4.7 out of 5, 284 ratings on Amazon
From$32.00
Sold out · ViewReplacement filters for the air purifier you already own, matched by model number. Most people land here for AirDoctor: each AirDoctor model takes its own set, and the table shows which one fits yours. We also make filters for Winix, Blueair, Shark, Whirlpool, Kenmore, Hunter, Honeywell, IKEA, Jaspr and MOOKA purifiers. Every filter here is aftermarket, made by Think Crucial. U.S. shipping is free, and orders placed by 2pm ET ship the same business day.
| AirDoctor model | Filter set | Air Doctor's schedule |
|---|---|---|
| AD1000 | AD1000 set: main, carbon gas trap and pre-filter | Every 6 months |
| AD2000 | AD2000 set: 1 main, 2 carbon pre-filters | Main 12 months, carbon 6 |
| AD3000, AD3500 | 5-piece set: 1 main, 2 carbon, 2 pre-filters, or the main filter alone | Main 12 months, carbon 6 |
| AD5000, AD5500 | 14-piece set: 2 main, 4 carbon, 8 pre-filters | Main 12 months, carbon 6 |
The model number is on your purifier's rating label. Our AirDoctor filter guide explains what each layer does and how to swap them. Other purifiers we fit include the Winix HR950 and HR1000, Blueair Blue Pure 211+, Shark Air Purifier 6 and Whirlpool AP450 and AP510. If yours isn't here, email support@thinkcrucial.com with the model number and we'll reply within one business day.