Xiaomi Smart Air Purifier 4 Pro Filter

Restore Full Filtration Power to Your 4 Pro

This genuine replacement filter is designed specifically for the Xiaomi Smart Air Purifier 4 Pro, bringing an aging unit back to full purification strength. An all-in-one cartridge combines a primary filter for larger debris with Xiaomi's High Efficiency Filter media, capturing 99.97% of particles down to 0.3 microns, including dust, pollen, and pet dander.

A dense activated carbon layer, containing 650,000mg of carbon, tackles household odors, smoke, and volatile organic compounds that particle filtration alone can't catch, keeping the air genuinely fresh rather than just visibly clear. The filter is rated for 6-12 months of typical use depending on air quality and usage patterns, matching the purifier's own filter-life estimates in the Xiaomi Home app.

Built to the same dimensions and specifications as the original equipment filter, it drops straight into the 4 Pro's tool-free top compartment for a quick swap without needing to recalibrate the unit or reset any settings.

• Genuine Fit: Purpose-built replacement for the Xiaomi Smart Air Purifier 4 Pro.
• 99.97% Particle Capture: Removes particles down to 0.3 microns, including PM2.5 and pollen.
• Heavy-Duty Activated Carbon: 650,000mg layer absorbs odors, smoke, and VOCs.
• 6-12 Month Lifespan: Rated for up to a year of typical household use.
• Drop-In Fit: Matches OEM dimensions for a straightforward, tool-free swap.
• App-Tracked Usage: Xiaomi Home app estimates remaining filter life.

Specifications

• Compatible With: Xiaomi Smart Air Purifier 4 Pro
• Filtration: Primary filter + Xiaomi High Efficiency Filter + activated carbon (650,000mg)
• Particle Capture: 99.97% at 0.3µm
• Lifespan: 6-12 months
• Color: Black
• Dimensions: Φ226mm x 360mm

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