1 / 7iSingo K2 Replacement Air Purifier Filters, 2 Main Filters
iSingo K2 replacement filters are listed for LUNINO K2 air purifiers and combine a main filter with a washable pre-filter. The listing recommends replacement every 3 to 6 months, so check your purifier model and filter fit before ordering.
At a glance
- The listing describes a three-stage system with a pre-filter, high-efficiency filter and activated carbon filter.
- Manufacturer claims filtration of 99.97% of airborne particles down to 0.3 microns. This is a listing claim, not an independently verified result.
- Installation is described as tool-free, with the filter placed into the purifier after opening its cover.
Reference price: $32.99
Price checked: Nov 14, 2026
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Pros and cons
Pros
- The stated set includes two main filters and two washable pre-filters.
- A washable pre-filter may suit buyers who want a reusable pre-filter layer alongside the replacement main filters.
- The listed dimensions and slide-in mounting details help buyers compare the filter with their existing part.
Technical specifications
9 specifications| Brand | iSingo |
|---|---|
| Model | K2 |
| Dimensions listed | 12.83"L x 9.61"W x 1.46"Th |
|---|---|
| Mounting type | Slide In |
| Shape | Rectangular |
| Material listed | Paper |
|---|
| Filtration stages | 3-stage filtration system |
|---|---|
| Main filter claim | 99.97% of airborne particles down to 0.3 microns |
| Recommended replacement time | 3 to 6 months |
What to know before buying
- The manufacturer recommends replacement every 3 to 6 months. Actual replacement timing may depend on use and conditions.
What’s in the box
Included- 2 main filters
- 2 washable pre-filters
Who is it for?
A good fit for
- Owners of a LUNINO K2 air purifier seeking replacement filters with washable pre-filters.
- Buyers who want the listed dimensions and installation type to compare against their existing filter.
Less suited to
- Owners of air purifiers other than a model confirmed to fit this K2 filter.
- Buyers who need independently verified filtration performance rather than manufacturer claims.
Customer reviews on Amazon
- 5 stars
77% 77% - 4 stars
13% 13% - 3 stars
6% 6% - 2 stars
2% 2% - 1 star
2% 2%
Customer feedback reports positive impressions of air-cleaning effectiveness, including smoke removal, as well as quality and value. Fit feedback is mixed, which matters for a model-specific replacement part. The listing names LUNINO K2 compatibility, but buyers should confirm their exact purifier model and compare the filter dimensions before relying on that fit claim.
Positive themes
- Customers report positive impressions of effectiveness, including smoke removal.
- Customers also speak favorably about quality and value.
Mixed feedback
- Customers disagree about how well the filter fits their purifiers.
Frequently asked questions
Which air purifier is this filter listed for?
The listing names the LUNINO K2. Check your purifier model and compare the listed dimensions before buying.
What is included?
The explicit contents list states two main filters and two washable pre-filters.
How often does the listing recommend replacing the filter?
It recommends replacement every 3 to 6 months.
Is the 99.97% filtration claim independently verified?
No independent verification is supplied. It is a manufacturer claim for particles down to 0.3 microns.
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