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Prevent Omicron cross-infection in Hotels

Fears over an Omicron outbreak in Hong Kong grew. Recent cases from restaurant to kindergarten, and now hotels are also facing a big concern about possible transmission.

There may be COVID19 cross-infection at the Yau Ma Tei hotel, which affected guests staying in four different rooms across two separate floors. HKU microbiologist Yuen Kwok-yung believes the virus may have spread through the corridors when the doors of the guest rooms were opened.

How to minimize the risk of possible transmission?

Install high quality air filters with MERV 13 rating or above for your hotel NOW.

Someone who has coronavirus breathes out small particles (aerosols) of the virus. Adequate ventilation reduces how much virus is in the air, so it reduces the risk of breathing in the virus.

ASHRAE (American Society of Heating, Refrigerating, and Air-conditioning Engineers) reported in their journal of August 2020 that a high efficiency filter is effective in capturing airborne virus particles and hence reduce the risk of spread of viruses.

Research has shown that the particle size of the SARS-CoV-2 virus is around 0.1 µm (micrometer). However, the virus does not travel through the air by itself. Since it is human generated, the virus is trapped in respiratory droplets and droplet nuclei (dried respiratory droplets) that are predominantly 1 µm in size and larger.

ASHRAE currently recommends using a minimum MERV 13 filter, which is at least 85% efficient at capturing particles in 1 µm to 3 µm size range. A MERV 14 filter is at least 90% efficient at capturing those same particles. High-efficiency particulate air (HEPA) filters are even more efficient at filtering human-generated infectious aerosols but its pressure drop is rather high that might not be able to install on the existing air-conditioning system.

Upgrading of the existing air filters to MERV 13 filtration efficiency could be the simplest and the most cost-effective way to reduce the risk of spread of viruses.

The air you and your students're breathing indoors is dirtier than you think⚠️

NanoFIL Commercial Products

If you’re using…

Sterilizing Nano-filter (piece/roll pack)

would be your best choice!

NanoFIL Sterilizing Nano-filter has recently been accredited invention patent and verified by SGS, it exterminates above 99.9% of bacteria, 95.6% virus and effectively filter PM 2.5, PM 0.3 (Anti Allergic series) particles, including smoke, smog, mite and other allergens; remove volatile organic compounds (VOC) and formaldehyde, indoor odor.

Clean Air Anti-Allergic Odour Removal

Filtration efficiency

The best ventilation, Effectively improve air quality

The best filtration efficiency

Excellent filtration performance, Effectively reduce indoor odor

Exterminate bacteria

Filter PM2.5 particles

Filter PM0.3 particles

Removal of volatile organic compounds (VOC) and formaldehyde, indoor odor

Installation Guide

1) Remove the original dust filter, clean it and let it dry

2) Cut “NanoFIL Sterilizing Nano-Filter” to the size of the original dust filter

3) Attach “NanoFIL Sterilizing Nano-Filter” on the original dust filter with adhesive tape (the dotted embossed cotton layer is facing out, and the non-cotton layer is facing the electrical appliance)

4) Put the original dust filter back to the electrical appliance

NanoFIL Residential Products

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