The VB filter is an innovative filter that can be reused, combined with KOHKIN LAB catalysts, to provide a safe and clean space.
Reduce air conditioning shutdowns and drain abnormalities in medical facilities! New Virus Block Filter now on sale. We are launching the KOHKIN LAB Virus Block Filter (VB Filter) nationwide, significantly reducing air conditioning issues in medical and welfare facilities. This innovative filter prevents drain abnormalities and air conditioning shutdowns, contributing to the creation of a safe and clean environment. **Serious Issues in Medical Facilities** Air conditioning troubles are a serious problem in medical and welfare facilities across the country. In particular, drain abnormalities and air conditioning shutdowns directly affect the comfort and safety of patients and staff. The main causes are harmful molecules in the air (such as PM2.5, bacteria, viruses, and oil particles). By introducing the KOHKIN LAB Virus Block Filter, these issues will be significantly reduced, allowing for smoother operations in medical and welfare facilities.
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1) One-Year Demonstration Experiment in Medical Facilities Based on evidence from the medical field, wipe tests for highly infectious airborne viruses were conducted over the course of one year. The antibacterial and antiviral capabilities are significantly superior compared to conventional antibacterial filters. 2) Improved Cost Performance The filter can be reused by washing off accumulated dust with water, achieving excellent cost performance (recommended to wash every three months). 3) Sustainable Recycled Material [Polyvinylidene Chloride] Using innovative recycled materials, it captures fine viruses and improves the sanitary environment within air conditioning systems through antibacterial and antiviral effects. It is a reusable and sustainable Virus Block filter. [Compatible Models] Commercial Air Conditioning (2-way / 4-way)
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**Serious Issues in Medical Facilities** In medical and welfare facilities across the country, air conditioning problems are a serious issue. In particular, drain abnormalities and air conditioning shutdowns directly affect the comfort and safety of patients and staff. The main causes are harmful molecules present in the air (such as PM2.5, bacteria, viruses, and oil particles). By introducing the KOHKIN LAB Virus Block Filter, these issues can be significantly reduced, leading to smoother operations in medical and welfare facilities.
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VB filter
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About the materials
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Enlarged image from an electron microscope
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HONU Co., Ltd. offers "The Power of Catalysts," a specialized deodorization and smoking ban service for accommodation facilities, and has already achieved smoking bans in numerous hotels (over 3,200 rooms as of 2026). The main features of their service are as follows: 1. Outstanding Cost Performance Without Renovation Traditional smoking bans (complete removal of cigarette odor) required large-scale renovations such as wallpaper replacement, carpet replacement, and replacement of mattresses and air conditioners, resulting in significant costs. HONU's service maintains the existing interior while performing carpet cleaning and applying their unique catalyst treatment, significantly reducing costs compared to renovations. 2. Extremely Short Construction Period (Rooms Available for Sale from the Next Day) Renovations require rooms to be closed for extended periods (not for sale), but HONU's service is extremely fast. For example, it can be completed in about one-tenth the time of typical construction periods, allowing rooms to be sold as non-smoking rooms from the day after completion. Therefore, losses due to room closures are minimized. 3. Reliable Deodorization Mechanism with "Three Types of Catalysts" We utilize a unique three-type catalyst technology primarily composed of platinum colloid, silver colloid, and titanium dioxide. While typical ozone generators and deodorizing sprays only provide temporary effects or allow odors to return, HONU's catalysts settle throughout the entire space, decomposing and eliminating cigarette odors (organic matter) at their source. It also addresses the issue of strong perfume residue from international guests, a growing concern for accommodation facilities. 4. Reliable After-Check For projects such as entire floor smoking bans, an after-check is included, confirming odor elimination six months after installation. If any odor remains, re-installation is performed, guaranteeing effectiveness.
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