ECOSELF HAP609 knq3pp Air Purifier: CADR, Noise, Coverage & Specs
Last updated: Aug 22, 2026
Overview
ECOSELF Air Purifiers for Home Up to 1800 ft², HEPA Air Purifier, HAP609
CADR and room size
CADR is not published for this model in our sources.
Filtration
What filter does it use?
HEPA (H13).
Replacement interval: Every 6–8 months.
Noise
How loud is it?
Minimum reported noise: 20 dB.
Smart features
Does it have Wi-Fi?
Yes — app or Wi-Fi features are listed.
360° Air Intake, Smart Auto Mode with PM2.5 sensor, PM2.5 digital display, Aromatherapy option, 20 dB Sleep Mode, App control via Eco app
Specifications
- Manufacturer claimed coverage
- 1800 sq ft
- Noise
- 20 dB
- Filter type
- HEPA (H13)
- Filter replacement interval
- Every 6–8 months
- Dimensions
- 7.2"D x 7.2"W x 13.9"H
- Weight
- 3.8
- Wi-Fi / app
- Yes
Comparisons
Methodology
Specifications are compiled from manufacturer documentation, product listings and other cited sources. See methodology.