**Product Specifications:**
**Brand:** KISSAIR
**Product Name:** KISSAIR Xiaomi Air Purifier Filter
**Filter Material:** MERV18 filter paper + acid-washed modified carbon
**Removal Rate:** PM2.5: 99.97%, Formaldehyde: 98.3%
**Accumulated Purification Amount:** P4/F4
**Compatible Models:** Xiaomi 4Lite/4th Gen/4Pro, ProH/MAX/4MAX
**Packaging Dimensions:** Single piece: 210*210*345mm, 260*260*405mm, 230*290*450mm, 495*385*70mm
**Lifespan:** 3-6 months (depending on local AQI and user frequency)
**Shelf Life:** 3 years (unopened, stored in a dry, dark environment)
**Manufacturer:** Nantong Kangjing Environmental Technology Co., Ltd.
**Key Features:**
3-layer high-efficiency filter for suspended particles, formaldehyde, and other pollutants
H13 high-precision low-resistance filter paper with a purification efficiency of 99.95%
Strong catalytic activated carbon formula for efficient formaldehyde removal
360° circulation purification with a single purification efficiency of over 99%
International standard certifications including Certificate of Compliance, WSF, CE, AS-ANZ, etc.
Suitable for households with smokers, recommended for use every 3-6 months
**Details:**
Honeycomb structure activated carbon for continuous formaldehyde and odor catalysis
Thickened high-density sealing cotton for low noise and cleaner filtration
Uniform pleat spacing for smoother airflow
**Filter Reset Instructions:**
To reset the filter and resolve issues with the purifier not recognizing the chip, press and hold the back button for 6 seconds until you hear a beep sound.
**Filter Replacement:**
Unplug the power, use a soft brush to clean the old filter, insert the new filter, close the casing, plug in the power, and restart the machine.