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ISO 16890 Validated: The Science of Sub-Micron Defense

The K Pure F8 Series is engineered to exceed standard air quality requirements through advanced material integration:

• Fiberglass Sub-Micronic Matrix: Our media is 100% produced from high-grade fiberglass, capable of intercepting Particulate Matter (PM1) down to 0.003 microns. This ensures that fungi, bacteria, and viruses are neutralized before they reach the final stage.
• Glue-Free Mechanical Assembly: By eliminating chemical adhesives, we ensure there is no “off-gassing” or secondary chemical pollution, making it the safest choice for Neonatal Units, Dialysis Centers, and Laboratories.
• Antimicrobial & Anti-Static Protection: Our multi-layer technology incorporates antimicrobial properties to inhibit pathogen growth on the media. Additionally, conductive properties prevent static discharge, making these filters essential in environments where explosive aerosols or gases may be present.
• Universal Interchangeability: Specifically engineered as a high-integrity replacement (substitute) for HealthPro® series, CR Premax F8, and PreMax (S) models. We provide the Swiss-quality performance your equipment demands with the logistical speed of regional manufacturing.

Technical Specifications: K Pure F8 Series

Feature	K Pure F8 High-Efficiency Pre-Filter
Classification	ISO 16890 / EN779: F8 Grade
Efficiency (PM1)	55% Comprehensive Removal Rate
Micron Rating	0.003 Microns (Sub-micronic Pathogens)
Media Material	100% Sub-micronic Fiberglass
Assembly	100% Glue-Free Mechanical Bond
Safety Features	Antimicrobial & Flame Retardant / Anti-Static
Compatibility	IQAir HealthPro®, PreMax F8, PreMax (S)

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Frequently Asked Questions (FAQ)

1. What is the role of the CR Premax F8 Pre-Filter in my air purifier?

The CR Premax F8 is the Stage 1 filter. It is designed to capture coarse and fine particulate matter, including dust, pollen, pet dander, and mold spores. By trapping these larger particles first, it prevents the subsequent HyperHEPA® filter from clogging prematurely, ensuring long-term efficiency and airflow.

2. How does the “Antimicrobial” feature in the CR Premax F8 benefit me?

Our CR Premax F8 filter is treated with an antimicrobial coating. This helps prevent the growth of bacteria and fungi on the filter media itself, ensuring that the air passing through remains hygienic and that the filter does not become a breeding ground for microorganisms.

3. What is the difference between the Premax F8 and the Premix (S) models?

CR Premax F8: Focuses on antimicrobial protection, often used in hospital-grade or highly sensitive environments.

Premix (S) / PreMax: A high-capacity mini-pleat filter designed for general high-efficiency dust and allergen removal in residential and office settings (specifically for HealthOP* 100/250 series).

4. What is the efficiency rating of these filters?

Both models are classified as Class F8 filters. They offer an efficiency of approximately 55% at 0.3 μm. This allows them to capture the bulk of airborne pollution before the air reaches the medical-grade HEPA stage.

5. How often should I replace my F8 Pre-filter?

On average, the filter life ranges from 12 to 18 months, depending on air quality and usage. In environments with high dust or pet hair, we recommend checking the filter indicator on your HealthOP* unit every 6–12 months.

6. Are these filters compatible with IQAir® HealthPro® systems?

Yes. Our filters are precision-engineered as high-quality replacements for the HealthOP (HealthPro) series*. They feature a perfect-fit design and use wet-laid non-woven glass microfiber media to match or exceed the performance of original parts.

7. Can I clean or wash the F8 Pre-filter?

No. These are high-efficiency pleated filters made of glass microfiber. Washing them will damage the delicate fibers and destroy the filtration efficiency. For best results and to protect your motor, always replace the filter when the “Filter Replacement” light appears.

8. How do I install the replacement filter?

Turn off and unplug your air purifier.

Release the locking arms and remove the bottom module.

Slide out the old Pre-filter and slide in the new CR Premax F8 or Premix (S).

Reassemble the unit and reset the filter life monitor on the control panel

Is it suitable K filter F8 air purifier pre filter for Pm2.5 dust for Health pro air purifiers?

Yes, the K Filter F8 Pre-Filter is highly suitable and effective for capturing PM2.5 dust in HealthPro (HealthOP*) air purifiers.

While the “main” job of a pre-filter is to protect the expensive HEPA filter, an F8-grade filter is actually much more powerful than a standard “dust screen.” Here is why it works well for PM2.5:

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1. High Efficiency for Fine Particles

Under the international ISO 16890 and EN 779 standards, an F8 filter is classified as a “Fine Filter.”

• PM2.5 Capture: It typically captures 75% to 80% or more of PM2.5 particles (those between 0.3 and 2.5 microns).
• Ultrafine Protection: Even at the very small 0.3-micron level, it maintains a minimum efficiency of 55%.

2. Two-Stage “Double Defense”

Because you are using this in a HealthPro system, you aren’t just relying on the F8 filter alone.

• The F8 Pre-Filter acts as a “heavy lifter,” removing the majority (approx. 80%) of the PM2.5 mass before it even hits the next stage.

• The HyperHEPA Stage then cleans up the remaining 20% of tiny particles with 99.5% efficiency.

• Result: This “tag-team” approach makes your air purifier much more efficient at handling high-pollution days (like smog or wildfire smoke) without clogging your main filter.

3. Specialized Media for Smoke and Smog

The K Filter F8 uses wet-laid glass microfiber. This material is specifically designed to trap the sticky, combustion-related particles found in PM2.5 (like vehicle exhaust and smoke) better than cheap synthetic or foam pre-filters.

Benefits for PM2.5

Feature	Benefit for PM2.5
F8 Rating	Stops ~80% of soot, combustion particles, and fine dust.
Mini-Pleat Design	Provides a massive surface area to hold a large volume of PM2.5 without slowing down airflow.
Antimicrobial Coating	Prevents bacteria from growing on the trapped dust/organic matter.
Protection	Extends the life of your HyperHEPA filter by up to 12 months by absorbing the PM2.5 load first.

Superior PM2.5 Protection with K Filter F8

While many air purifiers use basic “foam” or “mesh” pre-filters, the K Filter F8 series uses medical-grade, mini-pleated glass microfiber. This allows it to do more than just stop hair and lint—it actively removes the majority of PM2.5 (Fine Dust) before it ever reaches your expensive HyperHEPA filter.

How the F8 Filter Handles PM2.5

PM2.5 refers to microscopic particles smaller than 2.5 microns (such as vehicle exhaust, smoke, and industrial smog). These particles are dangerous because they can enter the bloodstream.

• 80%+ Capture Rate: Our F8-class media is laboratory-tested to capture over 80% of all PM2.5 particles.

• Massive Surface Area: With 2.8 m² of pleated media, the filter can hold a high volume of fine dust without clogging, maintaining high airflow for longer periods.

• The “Sacrificial” Shield: By trapping 80% of PM2.5 at the Pre-filter stage, you extend the life of your main HEPA filter by up to 50%, saving you significant replacement costs.

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Technical Comparison: Filter Classes vs. PM2.5

Use this table to show your customers why the F8 grade is the professional choice for urban air quality.

Filter Grade	Common Use	PM2.5 Removal	Best For
G3-G4 (Coarse)	Standard AC Filters	< 20%	Large dust, hair, lint
M6 (Medium)	Basic Air Purifiers	35% – 55%	Pollen, coarse dust
F7 (Fine)	Standard Pre-filters	60% – 75%	Mold spores, fine dust
K Filter F8 (Professional)	HealthOP / HealthPro*	80% – 90%	Smog, Smoke, Vehicle Soot
H13 (HyperHEPA)	Main Final Stage	99.5% +	Bacteria, Viruses, Ultrafine

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