Product Overview
The CHIVALZ Genuine HY1800 Air Purifier Replacement Filter features a 3-in-1 filtration system designed to improve air quality. It includes a Fine Preliminary Filter, a True HEPA Filter, and an Activated Carbon Filter. This filter is specifically designed for the CHIVALZ HY1800 Air Purifier.

Diagram illustrating the three stages of filtration: Pre-Filter, True HEPA Filter, and Activated Carbon Filter.

Image showing the CHIVALZ HY1800 Air Purifier with a replacement filter, highlighting its effectiveness against common airborne particles and odors.
Key Features
- Genuine HEPA Filter: Designed for the CHIVALZ HY1800 air purifier, ensuring compatibility and optimal performance.
- 3-in-1 Filtration System: Combines a Fine Preliminary Filter, True HEPA Filter, and Activated Carbon Filter for comprehensive air purification.
- Fine Preliminary Filter: Captures larger particles like fluff, fiber, and hair, extending the lifespan of subsequent filters.
- True HEPA Filter: Meets High-Efficiency Particulate Air (HEPA) standards, effectively filtering pet dander, dust, pollen, and other microscopic particles as small as 0.1 microns.
- Activated Carbon Filter: Utilizes premium granular activated carbon to absorb odors and fumes such as smoke, cooking smells, pet odors, and Volatile Organic Compounds (VOCs).
- Designed for Pet Owners: Specifically effective in filtering pet hair, dander, and odors, making it suitable for households with pets.

Banner image detailing the high-efficiency filtration process of the CHIVALZ HY1800 filter.

Close-up image of the pre-filter layer, designed to capture lint, fibers, and hair.

Close-up image of the True HEPA filter, which captures microscopic particles.

Close-up image of the activated carbon filter, responsible for odor and VOC absorption.
Setup: Filter Replacement
Replacing the Filter
To maintain optimal performance, replace the air purifier filter regularly.
- Turn OFF and Unplug: Ensure the air purifier is turned off and unplugged from the power outlet.
- Access the Filter: Gently twist the bottom cover of the air purifier counter-clockwise to unlock and remove it.
- Remove Old Filter: Carefully lift out the used filter and dispose of it properly.
- Insert New Filter: Place the new CHIVALZ Genuine HY1800 Replacement Filter into the air purifier. Ensure it sits securely.
- Replace Bottom Cover: Align the bottom cover and twist it clockwise to lock it back into place.
- Plug In and Power ON: Plug the air purifier back into the power outlet.
- Reset Filter Indicator: Press and hold the power button for approximately 7 seconds until the red power indicator light flashes 3 times and turns white. This resets the filter life monitor.

Visual guide showing the four steps for easy filter installation and reset.
Official video demonstrating the quick and easy filter replacement process for the CHIVALZ HY1800 Air Purifier.
A short video showcasing how to change the filter in under 60 seconds for the CHIVALZ HW1800 (compatible with HY1800 filter).
Operating Instructions
Power and Speed Control
The air purifier is controlled by a single power button.
- First Press: Powers on the unit into Sleep Mode.
- Second Press: Switches to Low Speed Mode.
- Third Press: Activates High Speed Mode.
- Fourth Press: Powers off the unit.
Timer Function
To activate the 4-hour automatic shut-off timer, press and hold the power button for 3-4 seconds while the unit is in Low or High Speed Mode. The indicator light will flash to confirm the timer is set.
Official video demonstrating the power, speed, and timer functions of the CHIVALZ HY1800 Air Purifier.
Maintenance
Filter Lifespan
The filter life depends on usage and air quality. It is recommended to replace the filter every 6-8 months for optimal performance. The air purifier's indicator light will signal when a replacement is due.
Cleaning
The replacement filter is not washable. For best results, replace the filter as recommended. The exterior of the air purifier can be wiped clean with a soft, dry cloth.
Troubleshooting
Filter Reset Issue
If the red power indicator light continues to flash after replacing the filter, it means the filter life monitor needs to be reset.
- Ensure the new filter is correctly installed and the bottom cover is securely closed.
- Plug in the air purifier and turn it on.
- Press and hold the power button for approximately 7 seconds until the red light flashes three times and then turns white. This confirms the reset.
Specifications
- Product Dimensions: 11.81"L x 5.11"W x 5.9"Th
- Item Weight: 0.76 Pounds
- Material: HEPA
- MERV Rating: 13
- Compatible Devices: CHIVALZ HY1800 Air Purifier
- Number of Items: 2 (Replacement Filters)
- Manufacturer: CHIVALZ
- Model Number: HY1800
Warranty and Support
Warranty Information
Specific warranty details for this replacement filter are not provided in this manual. Please refer to the original air purifier's user manual or contact CHIVALZ customer support for warranty information.
Customer Support
For further assistance or inquiries, please visit the official CHIVALZ store or contact their customer service.

