20pcs Breathing Machine Accessory Disposable Replacement Filters for ResMed white

20pcs Breathing Machine Accessory Disposable Replacement Filters for ResMed white.Feature： 1. Clean Hygienic： Using our unique replacement filters ensures that you can breathe clean, hygienic air while using the breathing machine, making your life more comfortable. 2. Suggestion： You had better replace the filter every 18 days, so that you can keep your breathing clean and hygienic in time, without too much dirt on it. 3. Sleep： After you use our supply filter, you can enjoy a quiet sleep and cr