FLZ-MA-03 Car Negative Ion Purifier
The Legom FLZ-MA-03 Car Negative Ion Purifier is an ultra-compact air conditioning outlet purifier that clips directly onto the vehicle’s AC air outlet grille, releasing a negative ion concentration of 250,000 ions/cm³ into the cabin air stream. Weighing only 70g, measuring Φ80 × 47mm, and drawing just 1W on DC 5V via Type-C, the FLZ-MA-03 is the smallest and lightest air purification product in the Legom range — occupying no dashboard, console, or seat space, operating in complete silence, and requiring no filter consumables at any point.
By leveraging the vehicle’s existing AC airflow, the FLZ-MA-03 distributes negative ions throughout the cabin without its own fan or motor. Negative ions condense and settle airborne pollutants including dust, pollen, PM2.5, formaldehyde, and benzene, while simultaneously supporting nervous system regulation, stress relief, and immune function — making the FLZ-MA-03 a passive wellness and air quality upgrade for any vehicle cabin, purchased and installed in seconds.
Key Benefits
- 250,000 ions/cm³ negative ion output – High-concentration negative ion release condensing and settling airborne pollutants throughout the cabin air volume, including fine particles, PM2.5, pollen, formaldehyde, and benzene
- Clips directly onto AC air outlet grille – The AC outlet mounting position places the negative ion emitter directly in the path of conditioned air distribution, maximising dispersion throughout the cabin without a dedicated fan
- True zero noise – No fan, no motor, no moving parts. The FLZ-MA-03 operates in complete silence, with absolutely no audible contribution to cabin noise — unlike fan-based car purifiers that add background fan noise during operation
- Ultra-compact at 70g and Φ80 × 47mm – The smallest air purification product in the Legom range. Takes up no dashboard, console, or seat space, and does not obstruct driver sightlines or passenger space
- 1W on DC 5V via Type-C – Negligible power draw compatible with any USB-A or USB-C port in the vehicle, including those available in EVs, modern ICE vehicles, and vehicles with USB hubs — no cigarette lighter socket required
- No filter consumables – Negative ion emission requires no replaceable media. The unit operates indefinitely without purchasing or replacing any filter elements
- Instant installation – Insert into the AC grille, connect the Type-C cable to any 5V USB port, and the unit is operational. No tools, no mounting, no configuration
- Negative ion health benefits – Negative ions regulate the human nervous system to relieve stress and anxiety, improve concentration during driving, and enhance immune function — supporting a more relaxed and comfortable driving experience
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | FLZ-MA-03 |
| Negative Ion Output | 250,000 ions/cm³ |
| Power | 1W |
| Rated Voltage | DC 5V (Type-C) |
| Dimensions | Φ80 × 47mm |
| Weight | 70g |
| Noise | Zero (no moving parts) |
| Installation | AC air outlet grille clip |
| Connection | Type-C cable to vehicle USB/5V port |
| Consumables | None |
FLZ-MA-03 vs KJ20F-C01 — Choosing the Right Car Purifier
| Parameter | FLZ-MA-03 | KJ20F-C01 |
|---|---|---|
| Form factor | AC outlet clip-on | Freestanding on console/dash |
| Weight | 70g | 800g |
| Power | 1W / DC 5V Type-C | 13W / DC 12V |
| Noise | Zero | Fan noise (3 levels) |
| PM2.5 efficiency | Ion settling | ≥95% electrostatic |
| Formaldehyde removal | Ion-assisted | Dedicated module |
| PM sensor | No | Yes (real-time) |
| Auto air volume control | No | Yes (3-level auto) |
| Best for | Minimal, silent, always-on | Maximum purification performance |
Application & Use Cases
- Drivers prioritizing cabin space and silence – For drivers who want continuous air purification without any visible unit on the dashboard or console, and without any fan noise addition to the cabin, the FLZ-MA-03 is the appropriate choice over the KJ20F-C01
- Vehicles with limited USB power available – At 1W on DC 5V, the FLZ-MA-03 operates from any USB-A or USB-C port in the vehicle, including those in vehicle infotainment hubs, without requiring a separate 12V cigarette lighter socket
- Rideshare drivers seeking a discreet upgrade – The compact clip-on design is less visible to passengers than a dashboard unit, enabling the driver to maintain cabin air quality without the purifier becoming a conversation topic or concern for passengers
- Secondary cabin purification alongside KJ20F-C01 – The FLZ-MA-03 can be used in the rear cabin AC outlet simultaneously with the KJ20F-C01 in the front, providing negative ion coverage across the full cabin length in larger vehicles
- Daily commuters seeking stress reduction benefits – The nervous system regulation and stress-relief effects of 250,000 ions/cm³ negative ion concentration are relevant to drivers who experience significant commute-related stress in heavy urban traffic
Installation Notes
- Insert the FLZ-MA-03 into the vehicle’s air conditioning outlet grille using the clip mechanism. The unit is designed to fit standard automotive AC louvre-style grilles
- Connect the Type-C power cord from the unit to any USB or DC 5V port in the vehicle. Ensure the cable routing does not obstruct gear selection, handbrake operation, or any other vehicle controls
- Once connected to a powered USB port, the unit operates immediately. For automatic start/stop with the vehicle, connect to a USB port that is powered only when the ignition is on
- Position in the AC outlet that provides the most direct air distribution toward the cabin occupants — typically the center dash outlets for driver and front passenger coverage
- No filter replacement or consumable maintenance is required. The negative ion emitter has no serviceable parts that require periodic replacement
Frequently Asked Questions
What is the difference between the FLZ-MA-03 and the KJ20F-C01?
Both purify vehicle cabin air, but they use different technologies and form factors for different buyer priorities. The FLZ-MA-03 clips onto the AC grille, weighs 70g, draws 1W on DC 5V via Type-C, operates in complete silence with no moving parts, and uses negative ion emission to condense and settle airborne pollutants. The KJ20F-C01 sits on the console or dashboard, weighs 800g, draws 13W on DC 12V, uses an electrostatic integration module with dedicated formaldehyde and ozone removal sub-modules, and has a built-in PM sensor with automatic 3-level fan control providing ≥95% PM2.5 capture efficiency. Choose the FLZ-MA-03 for the most compact, silent, maintenance-free option. Choose the KJ20F-C01 for maximum documented purification performance with active filtration and real-time air quality monitoring.
Does the FLZ-MA-03 work without the AC being on?
The unit emits negative ions whenever it is powered — the AC does not need to be running. However, when the AC is off, the ions are not actively distributed through the air stream from the outlet. Natural air circulation in the cabin will still disperse negative ions, but ion concentration will be lower and distribution less uniform than when the AC is running. For optimal performance, operation with the AC active is recommended.
How does negative ion purification work without a filter?
Negative ions are electrically charged air molecules that attach to positively charged airborne particles — dust, pollen, PM2.5, bacteria, and some gas molecules. When ions attach to these particles, they become heavier and settle out of the air onto surfaces rather than remaining suspended in the breathing zone. This condensation and settling process removes pollutants from the breathable air without physically capturing them in a filter medium, which is why no filter replacement is needed.
Can the FLZ-MA-03 fit any car AC grille?
The FLZ-MA-03 is designed for standard automotive AC louvre-style grilles with the circular Φ80mm clip mechanism. Most passenger vehicles use louvre-style AC outlets compatible with this format. However, some vehicles have non-standard or very narrow AC outlets where the clip may not fit securely. Check the dimensions of your vehicle’s AC outlet against the Φ80mm unit diameter before ordering. Contact the Legom team if you are uncertain about compatibility with a specific vehicle model.
OEM & ODM Customization
Legom supports OEM and ODM services for the FLZ-MA-03 Car Negative Ion Purifier. Our engineering team can customize dimensions, design, ion output, and branding for automotive OEM and aftermarket requirements. All customization projects are handled with strict confidentiality. Contact us via WhatsApp or info@legomsmart.com.
User Manual
Product information last reviewed by the Legom Technical Team. For the most current specifications, refer to the official datasheet or contact our sales team.
Custom OEM & ODM Solutions
Legom is a direct manufacturer offering end-to-end OEM and ODM services. With our in-house engineering and production capabilities, we work closely with distributors and system integrators to deliver fully customized solutions under strict NDA.
