PERFECT COMPATIBILITY - We designed and developed a package of 40 CPAP filters that can almost perfectly replace the ResMed Airsense10,Aircurve10, and S9 series of ventilator filters.If you use the ResMedventilator frequently, we recommend that you replace the air filter once every 18 days, which is enough to last for two year, which is a really good deal.

EXCELLENT FILTERING PERFORMANCE - Each filter measures 2 1/8" x 1 7/16" to fit your machine precisely，The CPAP filters in the market are generally 2 layers, and the better ones are 3 layers. We can proudly tell you that our CPAP filters are 4 layers, and we use ultra-fine spinning fiber cotton, which can effectively filter fine particles, dust,and pollen.This can ensure you can breathe clean, hygienic and high-quality air when using the ventilator.

SIMPLE OPERATION - All we have to do is open the filter cotton port of the ResMedventilator and replace the filter that is no longer able to filter properly.Then you can enjoy a quiet sleep and a peaceful environment for your family.

PROMOTE BETTER SLEEP QUALITY - We know that sleep apnea can make people feel tired and it can also increase the burden on our nervous system and major body organs.Therefore, we design and provide the best CPAP filter to improve your air quality and solve your sleep disorder.

CUSTOMER SERVICE - If you have any questions about the product or any other questions, please feel free to contact us.We will arrange customer service for you 24 hours, and provide a full refund and return service.