Air Purifier Filters & Accessories
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About Air Purifier Filters & Accessories
The Air Purifier Filters & Accessories category at SharperImage.com has the replacement HEPA filters, UV-C bulbs, and capsule refills that keep your purifier working at its best. Each part is made for a specific model, so start by matching your purifier to its filter below.
Find the Right Filter for Your Air Purifier
The collection also includes parts for earlier models:
- Smart Sensing 360 Degree Air Purifier
- Whole Home Air Purifier
- Basement Air Purifier
- 484 Sq. Ft. UV Technology Air Purifier
- True HEPA and 4-in-1 Wi-Fi Air Purifiers
- 3-in-1 Tabletop UV Air Purifier
- Airfree Elite II
UV Bulbs and Other Replacement Parts
Purifiers with UV-C light need a fresh bulb from time to time to keep that stage working. Shop the Replacement UV Bulb and the Replacement Bulb/Filter Set for Tabletop UV Sanitizer/Odor Reducer. Not sure which part you need? Check the model name on the bottom or back of your purifier, or in your product manual.
Shopping for a New Purifier?
If your purifier is past its prime, browse HEPA Air Purifiers, Ionic Air Purifiers, and Filterless Air Purifiers, or visit Allergy Solutions. Every order is backed by the SharperImage.com 100% satisfaction guarantee with 60-day returns.
Frequently Asked Questions
How do I know which replacement filter fits my air purifier?
Match the replacement filter to your purifier’s exact model name, which you’ll find on the unit’s label or in the product manual. Each filter on SharperImage.com is named for the purifier it fits. For example, the Replacement Filter for the HEPA UV-C Tower Air Purifier is made only for the HEPA UV-C Tower Air Purifier. Use the compatibility table above to find yours.
How do I know when my air purifier filter needs to be replaced?
These are common signs that a filter needs replacing:
- A filter-change indicator light
- A filter that looks gray or dark
- Weaker airflow or more noise
- Lingering odors
Homes with pets, smokers, or high pollen usually need replacements more often. When in doubt, follow the schedule in your product manual. Keeping a spare filter on hand makes the swap easy.
Can you wash and reuse a HEPA filter?
No. True HEPA filters are not designed to be washed, and water or vacuuming can damage the fine fibers that trap particles. Once a HEPA filter is full, replace it with a new one. Some purifiers include a separate washable pre-filter, so check your manual to see which parts can be cleaned. Shop replacement HEPA filters in this collection.
How often should I replace the UV-C bulb in my air purifier?
UV-C bulbs gradually lose strength even while they still light up. That’s why they’re usually replaced on a set schedule rather than when they burn out. Many manufacturers recommend about once a year, but check your product manual for the exact interval. Shop the Replacement UV Bulb or the Replacement UV-C Light for the Smart 5-Stage HEPA and UV-C Air Purifier.
Do I need to buy the replacement filter made for my model?
Yes, it’s the best choice. A filter made for your exact model fits snugly and seals properly, so air passes through the filter instead of around it. A poor fit can reduce performance even if the filter itself is high quality. Every replacement filter on SharperImage.com is matched to a specific purifier and backed by a 100% satisfaction guarantee.