PURMED Xiaomi Smart Air Purifier 4 Compact compatible replacement filter, Specially developed for the Mi 4 Compact air purifier It is a 3-layer hybrid filter solution. Pre-filter, True HEPA and activated carbon by combining its layers into a single body; in the air of the interior It helps reduce dust, pollen, allergens, smoke, pet dander, and bad odors . Only compatible with Xiaomi Air Purifier 4 Compact (Mi 4 Compact) model.

Designed in original dimensions for Xiaomi 4 Compact, the PURMED filter fits snugly into the filter slot of the device, reduces the risk of air leakage and ensures that your air purifier It supports it to operate with performance close to the designed air flow . For users who want to achieve a more balanced and breathable indoor environment in small and medium-volume rooms It is a practical and economical solution.

3-Layer Filter Structure For Xiaomi 4 Compact

PURMED Xiaomi Smart Air Purifier 4 Compact filter to target different types of pollutants It operates in three distinct layers:

• Pre-filter layer – coarse particulate barrier
  It catches hair, feathers, large dust particles, animal hair and similar coarse dirt in the first stage. This fills the main HEPA and carbon layers later, extending the total service life of the filter and Xiaomi 4 Compact motor draws air more easily.
• Activated carbon layer – odor and chemical gas filter
  Food odors, cigarette smoke, pet odors, chemical vapors, VOC/TVOC and It traps pollutants in the form of gases , such as gases from paint/furniture, in its porous structure. In combined areas such as kitchens and living rooms and smoking houses, the ambient air is more spacious and neutral . It contributes to the feeling.
• True HEPA layer – allergen and fine dust wall
  Fine particles of 0.3 microns in size (dust, pollen, mold spores, bacteria, smoke, etc.) at least 99.97% of the time. For users with allergic rhinitis, pollen allergy, mold sensitivity, asthma and dust sensitivity promotes a safer breathing environment.

Thanks to this triple combination, your Xiaomi Air Purifier 4 Compact can protect both allergens and a powerful filtration system that can target offensive odors and chemical gases at the same time.

Product Information (Summary)

• Product Name: Xiaomi Smart Air Purifier 4 Compact Filter
• Compatible device: Xiaomi Mi 4 Compact
• Filter Type: Hybrid filter (True HEPA + activated carbon + pre-filter)
• Filter structure: 3-layer filtration
• Size (H x W): Approx. 17.4 x 17.4 cm
• Color options: White (general use), Green (toxin/chemical), Yellow (pet)
• Usage Period: Average 8–12 months (depending on environmental pollution and daily usage time)
• Package Included: 1 Piece Replacement Filter
• Product Type: Disposable; It is not washed and cleaned, it must be replaced when it reaches saturation.
• Brand: PURMED
• Compatibility: Only compatible with Xiaomi Air Purifier 4 Compact.

White / Green / Yellow Filter Options – Which Color Suits Whom?

The PURMED Xiaomi 4 Compact filter offers three color options according to three different needs:

• White filter – standard daily use
  Helping to reduce the overall dust, allergen and odor load in home and office environments it's a balanced solution. Unless there is a special problem (too intense chemical or too intense lint/odor) The white filter is ideal for standard use.
• Green filter – chemical/VOC oriented environments
  Such as chemical vapours, VOC/TVOC, exhaust gases, paint and new furniture odours It stands out with its activated carbon structure reinforced against gas-type pollutants . For traffic-sensitive areas, newly renovated homes or for chemically sensitive users green Xiaomi Compact filter is recommended.
• Yellow filter – for homes with pets
  Such as cat/dog hair, lint dust, skin rashes, food and toilet odors focuses on pet-derived pollutants . In homes with more than one animal or where the shedding season is intense The yellow filter ensures a more comfortable indoor air quality.

Usage Advantages

• Helps reduce allergen load; It reduces the density of pollen, house dust mites, mold spores and similar triggers in the air.
• Provides support in smoke and odor problems; It contributes to the reduction of cigarette, food and pet odors.
• For users with chemical sensitivities, it helps reduce harmful gases such as VOC/TVOC with its green filter option .
• Thanks to its dimensions that are fully compatible with the device, it helps prevent air leaks and maintain filtration efficiency.
• With regular filter replacement, it allows you to get high efficiency and quiet operation from your Xiaomi 4 Compact air purifier for a long time.

Lifespan and Replacement Recommendation

Recommended usage time of the Xiaomi Air Purifier 4 Compact filter, average It is between 8-12 months. However, this period; outdoor air pollution, indoor pollution, It can be shortened or extended depending on smoking, the number of pets, and how many hours a day the device works.

Here are some signs that indicate it's time for a filter replacement:

• Feeling a decrease in the air outlet flow rate of the device
• Spreading bad odors of unknown cause to the environment
• Visible dirt and particle buildup on the filter surface
• Lack of expected improvement in air quality despite the device operating at high speed

The device must be unplugged during filter replacement; If possible, masks and gloves should be used. Vacuuming or washing the HEPA filter, which has reached saturation, disrupts the special fiber structure of the filter, seriously reduces filtration reliability; both the air quality deteriorates and the device is put more strain on the device.

For a detailed guide on filter replacement intervals and tips When should the air purifier filter be replaced? You can review our blog post titled.

Compliance and Brand Note

This product is not the original OEM filter manufactured by Xiaomi. To be fully compatible with the Xiaomi Air Purifier 4 Compact device It is a high-quality replacement filter manufactured under the brand name PURMED . Xiaomi brand and model names used on product pages only to indicate compatibility It is stated for the purpose. The product sold is a registered PURMED filter branded product.

Short English Summary

PURMED Xiaomi Air Purifier 4 Compact Filter is a 3-stage replacement filter (pre-filter + True HEPA + activated carbon) designed for the Mi 4 Compact air purifier. Available in three versions – White (general use), Green (chemical toxins) and Yellow (pet environments) – it offers an average lifetime of 8–12 months depending on usage intensity and indoor air quality.

For all Xiaomi air purifier filters , you can find our Xiaomi compatible filter category, For all brands and models, you can visit our PURMED air purifier filters page.