• Good abrasion resisitance and long lifespan

• Nylon net filter has less resistance, long lifespan

• Can repeat cleaning, high performance with cheap cost

1. What is a Folded Activated Carbon Primary Filter?

A Folded Activated Carbon Primary Filter is an air filtration device designed to remove odors, gases, and larger airborne particles. It features a pleated structure to maximize surface area, improving absorption efficiency while maintaining a compact design.

2. How does a Folded Activated Carbon Primary Filter work?

The filter operates by drawing air through its pleated layers that are embedded with activated carbon. As the air passes through, the activated carbon traps gaseous pollutants and odors, while the filter media captures dust and particulates. This dual-action process enhances overall air quality in the environment where it's installed.

3. What are the benefits of using a Folded Activated Carbon Primary Filter?

Using a Folded Activated Carbon Primary Filter offers multiple benefits, including:

• Effective removal of odors and harmful gases

• Improved indoor air quality

• Extended life of downstream filters in HVAC systems

4. Where can I buy a Folded Activated Carbon Primary Filter?

Folded Activated Carbon Primary Filters can be purchased from HVAC suppliers, online marketplaces like Amazon or Alibaba, and directly from specialized manufacturers or distributors. Availability may vary depending on your location and specific filter requirements.

5. What is the lifespan of a Folded Activated Carbon Primary Filter?

The typical lifespan of a Folded Activated Carbon Primary Filter is between 3 to 6 months, depending on the level of airborne pollutants, airflow volume, and operating conditions. Regular inspection is recommended to ensure optimal performance.

6. How often should a Folded Activated Carbon Primary Filter be replaced?

Replacement intervals depend on usage and environment. In general, filters should be replaced every 3–6 months for consistent efficiency. Heavily polluted areas may require more frequent changes to maintain performance.

7. What applications use Folded Activated Carbon Primary Filters?

These filters are used across multiple sectors, including commercial buildings, industrial facilities, healthcare environments, and residential HVAC systems. Their ability to remove odors and volatile organic compounds makes them especially valuable in areas where air quality is critical.

8. How do I install a Folded Activated Carbon Primary Filter?

Installation is straightforward. First, turn off the air handling system. Open the filter access panel, remove the old filter, and insert the new one with airflow direction aligned. Ensure a snug fit to prevent air bypass and restart the system.

9. What is the efficiency of a Folded Activated Carbon Primary Filter?

Folded Activated Carbon Primary Filters typically provide G3 to G4 efficiency for particulate matter, while effectively adsorbing gases and odors through the carbon media. Their performance is ideal for pre-filtration in multi-stage systems.

10. What materials are used in Folded Activated Carbon Primary Filters?

The main materials include synthetic fiber or non-woven fabric as the base media, combined with high-quality activated carbon granules or impregnated carbon coating. The filter frame is usually made from galvanized steel or plastic for durability.

11. Can a Folded Activated Carbon Primary Filter remove smoke?

Yes, these filters can reduce smoke to a certain extent, particularly smoke odors and gaseous byproducts. However, they may not capture all ultra-fine smoke particles and are most effective when used in combination with HEPA filters.

12. Is a Folded Activated Carbon Primary Filter effective for odor removal?

Folded Activated Carbon Primary Filters are highly effective at removing a wide range of odors. The activated carbon layer adsorbs molecules responsible for unpleasant smells, making these filters ideal for environments with high odor levels.

13. How does a Folded Activated Carbon Primary Filter compare to other filters?

Compared to standard filters, folded activated carbon filters provide added functionality by removing gases and odors in addition to particles. While HEPA filters trap smaller particulates, activated carbon filters excel in chemical filtration, making them complementary in multi-stage systems.

14. Can a Folded Activated Carbon Primary Filter be reused?

Most Folded Activated Carbon Primary Filters are designed for one-time use due to saturation of the carbon media. Reusing them after washing is not recommended, as it significantly reduces their adsorption capability and overall efficiency.

15. What is the filtration area of a Folded Activated Carbon Primary Filter?

The filtration area varies depending on the size and fold design. For example, a 592*592*21 mm filter typically offers around 0.93 m² of effective surface area, maximizing dust and gas retention in a compact form factor.

16. How is a Folded Activated Carbon Primary Filter different from a regular carbon filter?

Folded filters offer increased surface area due to their pleated design, resulting in better airflow and higher contaminant capacity compared to flat-panel carbon filters. They are more efficient and durable for continuous HVAC system use.

17. What sizes are available for Folded Activated Carbon Primary Filters?

Common sizes include:

• 592×592×21 mm

• 490×592×21 mm

• 287×592×21 mm

Custom sizes can also be manufactured based on specific HVAC system requirements.

18. How do I choose the right Folded Activated Carbon Primary Filter for my system?

To select the appropriate filter, consider your system’s airflow rate, size compatibility, and the specific pollutants you need to remove. It’s also essential to match the filter’s efficiency level to your air quality requirements and maintenance schedule.