Karcher AF 20 Air Purifier

Karcher AF 20 Air Purifier

The Karcher AF 20 is a compact air purifier designed for smaller rooms, children’s rooms, and individual workspaces. With a multi-layer filtration system, active carbon, PM2.5 monitoring, automatic mode, night mode, timer, and child lock, it is built for quiet everyday air purification with simple air-quality monitoring.

Key Features

• Multi-Layer Filtration System
  Designed to help remove allergens, pollutants, and airborne particles from indoor air.

• 99.95% Filter Efficiency
  Filters at least 99.95% of particles measuring 0.3µm under the stated test conditions.

• Active Carbon Filter
  Helps reduce certain odors and gaseous pollutants.

• PM2.5 Air Quality Display
  Shows particulate concentration in µg/m³ directly on the display.

• Color-Coded Air Quality Indicator
  Makes it easier to understand current indoor air quality at a glance.

• Automatic Mode
  Uses a laser sensor to adjust performance according to detected air pollution.

• Night Mode
  Supports quieter operation for bedrooms and nighttime use.

• Child Safety Lock
  Helps prevent accidental setting changes.

Main Feature Sections

Designed for Smaller Rooms
The AF 20 is suitable for spaces up to 40m², making it practical for bedrooms, home offices, children’s rooms, and similar areas.

Automatic Air Quality Control
A high-quality laser sensor monitors pollution levels and allows the purifier to automatically adjust performance when Auto Mode is active.

Quiet Everyday Operation
Night mode and ultra-silent operation make the AF 20 better suited to sleeping areas and quiet work environments.

Long Filter Service Life
Karcher states that the filter can last around one year, depending on air quality and usage intensity.

Technical Specifications

• Product Type: Air Purifier
• Brand: Karcher
• Model: AF 20
• Voltage: 100–240V
• Frequency: 50–60Hz
• Connected Load: 24W
• Suitable Room Size: Up to 40m²
• Maximum Air Flow: Up to 220m³/h
• Filter Efficiency: ≥99.95% at 0.3µm
• Power Settings: 3
• Air Quality Sensor: Laser sensor
• PM2.5 Display: Yes
• Color Air Quality Indicator: Yes
• Automatic Mode: Yes
• Night Mode: Yes
• Timer: Yes
• Child Lock: Yes
• Active Carbon: Yes
• Color: White
• Weight: 3kg
• Packaged Weight: 4kg
• Dimensions: 220 × 220 × 346mm

Air Quality Monitoring

The AF 20 displays:

• PM2.5 concentration in µg/m³
• Air quality using a color-coded indicator
• Automatic adjustment through the built-in laser sensor

This helps users see how indoor air quality changes throughout the day.

Filter Performance

The multi-layer filtration system is designed to target:

• Fine particles
• Allergens
• Airborne pollutants
• Certain odors
• Other particulate contamination

The active carbon layer adds odor and gas reduction support alongside particle filtration.

Best Use Cases

• Bedrooms
• Children’s rooms
• Home offices
• Small living spaces
• Individual workstations
• Users sensitive to dust or allergens
• Rooms where quiet operation is important

Compatibility

• Designed for rooms up to approximately 40m²
• Suitable for 100–240V power systems
• Replacement filters should match the Karcher AF 20 model.

What’s in the Box

• Karcher AF 20 Air Purifier × 1
• Installed / compatible filter system
• User Documentation