Fits checked Oct 1, 2026 · How we check
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Rabbit Air · air purifier

Rabbit Air A3 replacement filter

Use part A3-FKG. Recommend replacing every 12 months when running 24/7.

The filter that fits

Maker lists this model

Rabbit Air A3 Filter Kit (Germ Defense)

A3 Filter Replacement Kit, Germ Defense

Part number
A3-FKG
How many
1 per unit
How often
Recommend replacing every 12 months when running 24/7

The kit comes in four versions that differ only in the customized filter (Germ Defense, Toxin Absorber, Pet Allergy, Odor Remover); all four fit. The washable pre-filter is not included.

Buy A3 Filter Kit (Germ Defense) on AmazonManufacturer page

Opens an Amazon search for Rabbit Air A3 Filter Kit (Germ Defense) A3-FKG. Check the listing says A3-FKG.

See the sources

Does your exact model share this filter?

Rabbit Air labels several versions of the A3. Check the label on your unit.

  • A3 takes A3-FKG
  • SPA-1000N same filter

Look-alike models that take a different filter

The MinusA2 (SPA-700A, SPA-780A/N) takes the MinusA2 kit, not the A3 kit.

Other genuine options from Rabbit Air

Variants and kits the maker sells for this model. Same fit, different media or packaging.

Sources

High confidence: the manufacturer names this exact model on a live page. Each line is the page we read and the day we read it.

  • Which filter fits rabbitair.com Maker's own page checked Oct 1, 2026
    A3 Filter Replacement Kit ... Compatible with (model#) A3 SPA-1000N
  • How many rabbitair.com Maker's own page checked Oct 1, 2026
    The A3 Filter Kit includes all four (4) replacement filters.
  • How often rabbitair.com Maker's own page checked Oct 1, 2026
    Recommend replacing every 12 months when running 24/7.
  • What's in it rabbitair.com Maker's own page checked Oct 1, 2026
    Medium Filter (1); The BioGS HEPA Filter (1); Customized Filter (select one); Charcoal-Based Activated Carbon Filter (1). Not included with kit: Washable Pre-Filter
Show all 5 sources

Which filter fits

  1. rabbitair.com Maker's own page checked Oct 1, 2026
    A3 Filter Replacement Kit ... Compatible with (model#) A3 SPA-1000N
  2. rabbitair.com Maker's own page checked Oct 1, 2026
    Variants: Germ Defense A3-FKG; Toxin Absorber A3-FKT; Pet Allergy A3-FKP; Odor Remover A3-FKO

How many

  1. rabbitair.com Maker's own page checked Oct 1, 2026
    The A3 Filter Kit includes all four (4) replacement filters.

How often

  1. rabbitair.com Maker's own page checked Oct 1, 2026
    Recommend replacing every 12 months when running 24/7.

What's in it

  1. rabbitair.com Maker's own page checked Oct 1, 2026
    Medium Filter (1); The BioGS HEPA Filter (1); Customized Filter (select one); Charcoal-Based Activated Carbon Filter (1). Not included with kit: Washable Pre-Filter