ResMed S9/AirSense 10 Standard Air Filter – Hypoallergenic – 2pack

The ResMed hypoallergenic air filter is suitable for people susceptible to allergies

Disposable: with normal use, these filters need to be replaced every 6 months. Filters should also be replaced on a one-off basis if they are damaged, torn or blocked by dust or dirt. These filters are not suitable for washing.