Product Overview
The ECOSELF HAP604 Air Purifier is designed to provide clean and fresh air for large rooms, covering up to 1500 sq ft. It features a 3-stage True HEPA filtration system, quiet 20dB sleep mode, 360° air intake and outlet, and customizable ambient lighting. This manual provides instructions for setup, operation, maintenance, and troubleshooting.

Image: ECOSELF HAP604 Air Purifier in a living room, demonstrating its coverage and 360° airflow.
Setup Instructions
Unpacking and Filter Preparation
Before first use, remove the adapter stored inside the filter and remove all packaging from the filter. Ensure the filter is correctly installed before operating the unit.
Placement
Place the air purifier on a flat, stable surface. Ensure there is adequate space around the unit for optimal 360° airflow.
Power Connection
Plug the power cord into a standard electrical outlet.
Operating Instructions
Control Panel Overview

Image: Top control panel of the ECOSELF HAP604 Air Purifier.
The control panel is located on the top of the unit and features touch-sensitive buttons for various functions:
- Power Button: Turns the unit on or off.
- Speed Button: Cycles through fan speeds (Low, Medium, High) and Sleep Mode.
- Light Button: Changes the ambient light color or turns it off.
- Timer Button: Sets the operating duration (2h, 4h, 6h, 8h).
- Lock Button: Activates or deactivates the child lock.
- Reset Button: Resets the filter life indicator after filter replacement.
Power On/Off
Press the Power button to turn the unit on or off.
Adjusting Fan Speed
Press the Speed button to cycle through fan speeds: Low (I), Medium (II), High (III), and Sleep Mode (indicated by a moon icon). Sleep Mode operates at an ultra-low 20dB for quiet operation.
Ambient Light Control
Press the Light button to change the ambient light color or turn it off. The unit offers 7 color options.
Timer Setting
Press the Timer button to set the operating duration for 2, 4, 6, or 8 hours. The unit will automatically turn off after the set time.
Child Lock Function
Press and hold the Lock button to activate or deactivate the child lock, preventing accidental changes to settings.
Maintenance
Filter Replacement
The ECOSELF HAP604 uses an advanced 3-stage True HEPA filtration system. For optimal performance, replace the filter every 6-8 months, or when the filter indicator light illuminates.

Image: 3-Stage True HEPA Filtration System diagram.
To replace the filter:
- Unplug the air purifier.
- Twist the base counter-clockwise to unlock and remove the bottom cover.
- Remove the old filter.
- Insert the new ECOSELF HAP604 replacement filter.
- Replace the bottom cover and twist clockwise to lock.
- Plug in the air purifier.
Filter Reset
After replacing the filter, press and hold the Reset button for 5 seconds to reset the filter life indicator.
Troubleshooting
If the air purifier is not functioning as expected, please check the following:
- Unit not turning on: Ensure the power cord is securely plugged into a working outlet.
- Reduced airflow: Check if the filter needs replacement. Ensure there are no obstructions to the air intake or outlet.
- Unusual noise: Verify the filter is correctly seated.
- Filter indicator light remains on after replacement: Perform the filter reset procedure as described in the Maintenance section.
For further assistance, please contact ECOSELF customer support via Amazon.
Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 7.17 x 7.17 x 13.86 inches |
| Item Weight | 3.63 Pounds |
| Item Model Number | HAP604 |
| Power Source | Corded Electric |
| Control Method | Touch |
| Filter Type | HEPA (3-stage) |
| Floor Area Coverage | Up to 1500 Square Feet |
| Noise Level | 20 Decibels (Sleep Mode) |
| Particle Retention Size | 0.3µm |
| Wattage | 14.4 watts |
| Contaminant Filtration Capability | Cigarette smoke, dust, odors, pet dander, pet hair, smoke |
| Special Features | 20dB Sleep Mode, 360° Air Intake, 360° Air Outlet, 7 Color Light, Timer, Child Lock |
| Certifications | ETL, FCC, EPA, CARB Certified |
Warranty and Support
ECOSELF offers a 30-day money-back guarantee, a 1-year+ warranty, and lifetime technical support. For any issues or inquiries, please contact ECOSELF customer support via Amazon for resolution within 2 working days.
The product is ETL/FCC/EPA/CARB certified, ensuring quality and safety standards.