Core 300 Replacement Filter for LEVOIT Core 300
- Air Purifier Filter
- Nylon
- 2
- 2
- More reviewed than 56%
If you own a Core 300, 300-P or 300S, this is the low-friction way to keep it fed. Same drop-in ring, same three-layer construction, two cartridges per box.
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How it ranks among the 18 air purifier filters we track
4.7★ across 3,000 Amazon ratings, Bayesian-smoothed toward the category average.
3,000 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
300+ bought on Amazon last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 18 air purifier filters we track - how the scorecard works · full air purifier filters data report. Confidence: medium - useful but incomplete evidence.Last refreshed Jun 15, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
A two-pack of aftermarket replacement filters cut for the Levoit Core 300 purifier body, sold against part number Core 300-RF. Each cartridge combines a nylon pre-filter screen, H13 grade True HEPA media and an activated carbon layer in one drop-in ring.
Buying filters is the recurring cost of owning a purifier, and that is the whole argument here. Colorfullife lists fitment for the Core 300, Core 300-P and the WiFi Core 300S, so one part number covers a household running a mix of those units. Two cartridges at a time works out to roughly a year of coverage on the maker's own 5-6 month replacement guidance.
- Cross-referenced to Levoit part Core 300-RF
- H13 grade True HEPA pleat pack
- Nylon pre-filter, HEPA and carbon in one ring
- Maker suggests replacement every 5-6 months
Who it's for
Sensible for anyone already running one or more Levoit Core 300 series units who resents paying brand prices for a consumable. It is not for owners of the Core Mini, Core 200S or Vista series, which take physically different cartridges.
What buyers say
From Amazon customer reviews.
Buyers repeatedly say the fit matches the original with no gaps and no change in fan noise or airflow. Several posted photos of a cartridge pulled at around five months next to a fresh one to show how much it had loaded up. Pet owners with multiple cats and dogs credited it with clearing litter box and general house odor, and an allergy sufferer reported a noticeable seasonal pollen difference. A common habit in the reviews is vacuuming the outside weekly or monthly to hold off dust buildup.
Strengths and trade-offs
Drawn from this product's published specifications.
- Drops into Core 300, 300-P and 300S alike
- Carbon layer targets cooking and pet odors
- Two cartridges covers about a year
- Outer screen is vacuum-friendly between changes
- Not compatible with Core Mini or 200S
- Carbon layer is not rechargeable once loaded
- Aftermarket part, so no Levoit warranty backing
Performance notes
A purifier's real-world result is governed less by the media grade than by seal quality, since air that slips around the cartridge is air that never got filtered. The nylon outer screen catches hair and large lint so the pleated HEPA layer is not clogged early, and the carbon layer handles odor molecules that HEPA media passes straight through. Vacuuming the outer surface every few weeks slows the pressure drop that eventually makes the fan work harder.
Specifications
| Brand | Colorfullife |
|---|---|
| Model | Core 300, 300S |
| Dimensions & fit | |
| Item Dimensions L x W x Thickness | 7.5 × 7.5 × 6.3 inches |
| Construction & materials | |
| Material Type | Nylon |
| Air Filter Construction | Pleated |
| Compatibility & installation | |
| Compatible Air Purifier Models | Levoit Core 300, Levoit Core 300S |
| Compatible Devices | Core 300, 300S, 300-P, 300S-P VortexAir Air Purifiers |
| Included components | |
| Unit Count | 2 |
| Other details | |
| Number of Items | 2 |
| Common Applications | Appliances |
| Item Type Name | Core 300 replacement filter |
| Product Grade | Compatible with Levoit core 300 replacement filter |
Other Colorfullife air purifier filters
How it compares
This product against the closest alternatives we track in air purifier filters.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Core 300 Replacement Filter for LEVOIT Core 300This product | 4.7 / 5 | 3,000 | 4.3 / 5 |
| Levoit Vital 100 Air Purifier Genuine Replacement FilterLevoit | 4.8 / 5 | 6,200 | 4.5 / 5 |
| Honeywell HEPA Air Purifier Filter Replacement Kit for HPA300Honeywell | 4.8 / 5 | 4,505 | 4.5 / 5 |
| PuroAir 240 Replacement FilterPuroAir | 4.8 / 5 | 3,789 | 4.3 / 5 |
| Nispira F1 C01 T02 HEPA Replacement Filter for 3M Filtrete Room Air Purifier FAP-C01-F1Nispira | 4.6 / 5 | 928 | 4.2 / 5 |
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Questions about the Colorfullife Core 300, 300S
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
Will this Colorfullife filter fit a Levoit Core 300S?
Yes. The listing covers the Core 300, Core 300-P and the WiFi-enabled Core 300S, all of which use the Core 300-RF cartridge.
How often should the Core 300 filter be replaced?
Colorfullife rates each cartridge for at least 3 months and suggests changing at 5-6 months. Heavy dust, smoke or pet load shortens that.
Can the filter be washed and reused?
No. The HEPA pleats are not washable. You can vacuum loose dust off the outer nylon surface, but water ruins the media.