Q: How long can be use for each filter?
A: Each filter can be used up to 10 days, depending on the usage, air quality and the area you visit (under the widespread of virus siutation, it is of course the safest to replace the filter after each usage, please consider)
Q: Other brands suggest the filter can be used for 7-10 days, why do you recommend to replace it everyday?
A: The VENT filter can also be used for 10 days. We do not recommend that you have to replace it everyday. The filter has a strong filtering ability, but if the outer layer is stuck with a virus, our hands or other parts of the body may also be infected, so we suggest you to consider. We will not comment on other brands' statements.
Q: Cleaning method?
A: VENT mask can be cleaned with cold water, or use 60-80% disnfection alcohol to disinfect.
Q: Where is the origin and any patent?
A: U.S.Training Mask production and research and development, by using the latest Respurity airflow system patented technology.
Q: Is there any branch?
A: Yes, please find our branches address here: https://www.fitboxx.com/zh/store-locator.html
Q: How many size for the Vent mask?
A: Free size, VENT mask is adjustable by elastic velcro, suitable for men and women.
Q: Can VENT filter the virus ?
A: VENT Performance Filtration Breathing Trainer can block suspended particles and fly in the air, prevent diseases transmitted by fly in, such as new pneumonia, and can filter 0.1μm (micron) particles, and the PFE (particle filtration rate) is 99.36%. However, any mask cannot provide 100% protection. Please consult a doctor or professional for any doubt.
Q: How many colors provide?
A: There is only grey color now.
Q: I find that VENT mask just need to put filter on one side, will the other side inhale the virus?
A: This is a design with separate inhalation and exhalation valves to prevent the exhaled carbon dioxide from being trapped in the mask. The side without the filter element is designed with a valve, which is used for exhalation and will automatically close when inhaling.