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Core 400s Replacement Filter Comparison - April 2026
| 1 Best Choice  9.6Exceptional | 2 9.3Excellent | 3  9.2Excellent | 4  9.1Excellent | 5 Best Value 9.0Excellent | 6  8.9Very Good | 7 8.8Very Good |
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ModelLEVOIT Core 400S-P Replacement Filter, Genuine Core 400S-RF Air Purifier Filters, Supports HEPA Sleep Mode, High-Efficiency Activated Carbon for Removal of Smoke, Odor, Allergens, Pollen, 1 Pack | Model LEVOIT Core 400S-P Replacement Filter, Genuine Core 400S-RF Air Purifier Filters, Supports HEPA Sleep Mode, High-Efficiency Activated Carbon for Removal of Smoke, Odor, Allergens, Pollen, 1 Pack | Model Core 400S Replacement Filter for LEVOIT Core 400S Smart WiFi Air Purifie-r, Core 400S-RF-PA (LRF-C401-YUS), 3-in-1 H13 True HEPA Activated Carbon Pre-Filter, 2 Pack, Yellow | Model Core 400S Replacement Filter for LEVOIT Core 400S Core 400S-P Smart WiFi Air Purifie-r, Core 400S-RF 3-in-1 True HEPA Activated Carbon Filter, LRF-C401S-WUS, 2 Pack | Model Core 400S Replacement Filter for LEVOIT Core 400S Smart WiFi Air Purifie-r, Core 400S-RF-PA (LRF-C401-YUS), 3-in-1 H13 True HEPA Activated Carbon Pre-Filter, 2 Pack, Yellow | Model NXBHG 2 Pack Core 400S Replacement Filter Compatible with LEVOIT Core 400S, 3-in-1 Filter, Activated Carbon Filtration, Compared to Part# Core 400S-RF Yellow | Model NXBHG 2 Pack Core 400S Replacement Filter Compatible with LEVOIT Core 400S, 3-in-1 Filter, Activated Carbon Filtration, Compared to Part# Core 400S-RF Yellow |
BrandLEVOIT | Brand LEVOIT | Brand isinlive | Brand isinlive | Brand isinlive | Brand NXBHG | Brand NXBHG |
Reviews | Reviews  | Reviews | Reviews | Reviews | Reviews  | Reviews |
Tech Specs | ||||||
product dimensions9.65 x 9.65 x 10.43 inches | product dimensions 9.65 x 9.65 x 10.43 inches | product dimensions 7 x 8 x 9 inches | product dimensions 7 x 8 x 9 inches | product dimensions 7 x 8 x 9 inches | product dimensions 10 x 6.45 x 9.25 inches | product dimensions 10 x 6.45 x 9.25 inches |
item weight2.2 pounds | item weight 2.2 pounds | item weight 3.99 pounds | item weight 3.99 pounds | item weight 3.99 pounds | item weight 3.19 pounds | item weight 3.19 pounds |
batteries requiredNo | batteries required No | batteries required No | batteries required No | batteries required No | batteries required No | batteries required No |
included components3-in-1 Filtration | included components 3-in-1 Filtration | included components 2 Pack Core 400S Replacement Filter | included components - | included components 2 Pack Core 400S Replacement Filter | included components - | included components - |
color- | color - | color Pet Allergy-2 Pack | color Original Filter-2 Pack | color Pet Allergy-2 Pack | color - | color - |
batteries included- | batteries included - | batteries included No | batteries included No | batteries included No | batteries included - | batteries included - |
brand name- | brand name - | brand name isinlive | brand name isinlive | brand name isinlive | brand name - | brand name - |
compatible device- | compatible device - | compatible device LEVOIT Core 400S Air Purifier | compatible device LEVOIT Core 400s Air Purifier | compatible device LEVOIT Core 400S Air Purifier | compatible device - | compatible device - |
model info- | model info - | model info LEVOIT Core 400S Replacement Filter | model info Core 400s replacement filter for LEVOIT | model info LEVOIT Core 400S Replacement Filter | model info - | model info - |
Available On   | Available On | Available On | Available On | Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.6
1LEVOITLEVOIT Core 400S-P Replacement Filter, Genuine Core 400S-RF Air Purifier Filters, Supports HEPA Sleep Mode, High-Efficiency Activated Carbon for Removal of Smoke, Odor, Allergens, Pollen, 1 Pack
Why we love it
The filter is officially designated for the Core 400S air purifier.
The filter captures large particles such as dust, lint, fibers, hair, and pet fur.
The filter improves deodorant ability by 60 and eliminates household odors.
Main highlights- 𝟑-𝐒𝐓𝐀𝐆𝐄 𝐅𝐈𝐋𝐓𝐑𝐀𝐓𝐈𝐎𝐍 𝐒𝐘𝐒𝐓𝐄𝐌: Pre-filter traps hairs, dust, and large particles. Main filter removes 99.97% of ultrafine particles down to 0.3 μm. High-density activated carbon filter effectively reduces gases and odors.
- 𝐖𝐀𝐑𝐌 𝐌𝐀𝐈𝐍𝐓𝐄𝐍𝐀𝐍𝐂𝐄 𝐓𝐈𝐏: You may need to replace your filter earlier or later depending on how often you use your air purifier. Using your air purifier in an environment with relatively high pollution may mean you will need to replace the filter more often
- 𝐑𝐄𝐃𝐔𝐂𝐄 𝐇𝐎𝐔𝐒𝐄𝐇𝐎𝐋𝐃 𝐎𝐃𝐎𝐑: The AirReComposition Formula in the activated carbon filter, which improves deodorant ability. You can fell better because the unpleasant pet odors, household odors, second-hand pollution will not bother you
- 𝐏𝐑𝐎𝐓𝐄𝐂𝐓𝐈𝐎𝐍 𝐅𝐎𝐑 𝐀𝐋𝐋 𝐒𝐄𝐀𝐒𝐎𝐍𝐒 𝐀𝐍𝐃 𝐒𝐈𝐓𝐔𝐀𝐓𝐈𝐎𝐍𝐒: Ideal for homes with babies, pets, smokers, people with allergies, and those that cook often. Effectively filters wildfire smoke, seasonal pollen, vehicle exhaust, and humidity-triggered odors.
- 𝐍𝐎𝐓𝐄: The activated carbon in the filter is made from responsibly sourced, FSC-certified wood.
- 𝐌𝐔𝐋𝐓𝐈𝐏𝐋𝐄 𝐅𝐈𝐋𝐓𝐄𝐑 𝐂𝐇𝐎𝐈𝐂𝐄𝐒: Choose from a variety of replacement filters to best meet your needs. The Toxin Absorber Filter specializes in smog, toxins, and VOCs, while the Smoke Remover filter addresses smoke from wildfires, smoke, and other particulates. The Pet Allergy Filter captures fur and absorbs unpleasant odors.
- 𝐇𝐄𝐏𝐀-𝐆𝐑𝐀𝐃𝐄 𝐏𝐄𝐑𝐅𝐎𝐑𝐌𝐀𝐍𝐂𝐄 𝐈𝐍 𝐒𝐋𝐄𝐄𝐏 𝐌𝐎𝐃𝐄: Helps Levoit Core 400S-P achieve HEPA* filtration efficiency during Sleep Mode. Zero ozone emissions and ultra-quiet operation (≤26dB) in Sleep Mode. *Tested with IEST RP C001.7 by independent lab
- 𝐆𝐄𝐍𝐔𝐈𝐍𝐄 𝐑𝐄𝐏𝐋𝐀𝐂𝐄𝐌𝐄𝐍𝐓 𝐅𝐈𝐋𝐓𝐄𝐑: Designed for Core 400S-P air purifiers to maintain peak performance. Use genuine filters for premium quality and longer lifespan.
- 𝐂𝐑𝐄𝐀𝐓𝐄𝐃 𝐄𝐗𝐂𝐋𝐔𝐒𝐈𝐕𝐄𝐋𝐘 𝐅𝐎𝐑 𝐂𝐎𝐑𝐄 𝟒𝟎𝟎𝐒-𝐏 𝐒𝐄𝐑𝐈𝐄𝐒: Levoit's Filter Life Indicator and built-in algorithm only works with authentic filters. Using non-genuine filters may lead to delayed replacement, lower air quality, and damaged purifier motor.
-
9.3
2LEVOIT
LEVOIT Core 400S-P Replacement Filter, Genuine Core 400S-RF Air Purifier Filters, Supports HEPA Sleep Mode, High-Efficiency Activated Carbon for Removal of Smoke, Odor, Allergens, Pollen, 1 Pack
Why we love it
The filter is officially designated for the Core 400S air purifier.
The filter captures large particles such as dust, lint, fibers, hair, and pet fur.
The filter improves deodorant ability by 60 and eliminates household odors.
Main highlights- 𝟑-𝐒𝐓𝐀𝐆𝐄 𝐅𝐈𝐋𝐓𝐑𝐀𝐓𝐈𝐎𝐍 𝐒𝐘𝐒𝐓𝐄𝐌: Pre-filter traps hairs, dust, and large particles. Main filter removes 99.97% of ultrafine particles down to 0.3 μm. High-density activated carbon filter effectively reduces gases and odors.
- 𝐖𝐀𝐑𝐌 𝐌𝐀𝐈𝐍𝐓𝐄𝐍𝐀𝐍𝐂𝐄 𝐓𝐈𝐏: You may need to replace your filter earlier or later depending on how often you use your air purifier. Using your air purifier in an environment with relatively high pollution may mean you will need to replace the filter more often
- 𝐑𝐄𝐃𝐔𝐂𝐄 𝐇𝐎𝐔𝐒𝐄𝐇𝐎𝐋𝐃 𝐎𝐃𝐎𝐑: The AirReComposition Formula in the activated carbon filter, which improves deodorant ability. You can fell better because the unpleasant pet odors, household odors, second-hand pollution will not bother you
- 𝐏𝐑𝐎𝐓𝐄𝐂𝐓𝐈𝐎𝐍 𝐅𝐎𝐑 𝐀𝐋𝐋 𝐒𝐄𝐀𝐒𝐎𝐍𝐒 𝐀𝐍𝐃 𝐒𝐈𝐓𝐔𝐀𝐓𝐈𝐎𝐍𝐒: Ideal for homes with babies, pets, smokers, people with allergies, and those that cook often. Effectively filters wildfire smoke, seasonal pollen, vehicle exhaust, and humidity-triggered odors.
- 𝐍𝐎𝐓𝐄: The activated carbon in the filter is made from responsibly sourced, FSC-certified wood.
- 𝐌𝐔𝐋𝐓𝐈𝐏𝐋𝐄 𝐅𝐈𝐋𝐓𝐄𝐑 𝐂𝐇𝐎𝐈𝐂𝐄𝐒: Choose from a variety of replacement filters to best meet your needs. The Toxin Absorber Filter specializes in smog, toxins, and VOCs, while the Smoke Remover filter addresses smoke from wildfires, smoke, and other particulates. The Pet Allergy Filter captures fur and absorbs unpleasant odors.
- 𝐇𝐄𝐏𝐀-𝐆𝐑𝐀𝐃𝐄 𝐏𝐄𝐑𝐅𝐎𝐑𝐌𝐀𝐍𝐂𝐄 𝐈𝐍 𝐒𝐋𝐄𝐄𝐏 𝐌𝐎𝐃𝐄: Helps Levoit Core 400S-P achieve HEPA* filtration efficiency during Sleep Mode. Zero ozone emissions and ultra-quiet operation (≤26dB) in Sleep Mode. *Tested with IEST RP C001.7 by independent lab
- 𝐆𝐄𝐍𝐔𝐈𝐍𝐄 𝐑𝐄𝐏𝐋𝐀𝐂𝐄𝐌𝐄𝐍𝐓 𝐅𝐈𝐋𝐓𝐄𝐑: Designed for Core 400S-P air purifiers to maintain peak performance. Use genuine filters for premium quality and longer lifespan.
- 𝐂𝐑𝐄𝐀𝐓𝐄𝐃 𝐄𝐗𝐂𝐋𝐔𝐒𝐈𝐕𝐄𝐋𝐘 𝐅𝐎𝐑 𝐂𝐎𝐑𝐄 𝟒𝟎𝟎𝐒-𝐏 𝐒𝐄𝐑𝐈𝐄𝐒: Levoit's Filter Life Indicator and built-in algorithm only works with authentic filters. Using non-genuine filters may lead to delayed replacement, lower air quality, and damaged purifier motor.
-
9.2
3isinlive14% Off
Core 400S Replacement Filter for LEVOIT Core 400S Smart WiFi Air Purifie-r, Core 400S-RF-PA (LRF-C401-YUS), 3-in-1 H13 True HEPA Activated Carbon Pre-Filter, 2 Pack, Yellow
Why we love it
Perfect fit for LEVOIT Core 400S air purifier.
3-stage filtration for superior air quality.
Ideal for pet owners and allergy sufferers.
Main highlights- Warm Maintenance Tip -- To keep your LEVOIT Core 400S air purifie-r running at high performance, it is recommended to replace the Core 400S-RF air filter every 6-8 months, also depending on your frequency of use.
- PET CARE FILTERS-- These H13 true HEPA core 400S-RF replacement filters for Levoit air purifie-r can efficiently absorbs unwanted pet odors, pet denders, pet fur. Ideal filters for cats/dogs family.
- PERFECT COMPATIBILITY -- Our Core 400S replacement filter is compatible with LEVOIT Core 400S Smart WiFi Air Purifie-r, Core 400S-RF-PA (LRF-C401-YUS). Please check your model before making an order.
- CUSTOMER HAPPINESS -- If you have any questions about the Core 400S-RF-PA (LRF-C401-YUS) replacement filter, please feel free to contact us, we are committed to offering high-quality products and providing efficient customer service. Filter made of FSC-Certified pape
- 3-STAGE FILTRATION -- This Core 400S-RF-PA replacement filter is designed in H13 True HEPA Filter, high-efficiency activated carbon, and fine Nylon Pre-Filter that work together for 99.97% airborne particles down to 0.3 microns and unwanted odors to improved air quality, ideal for pet owners, smokers, and people who live in cities.
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Value for money
AI allows us to compare products based on attributes like price, specifications, and user feedback, helping to determine their value for money. This data-driven approach offers an efficient and reliable way to assess how products stack up against one another in terms of cost-effectiveness.
