Filters for Transcend Micro includes a 3 month supply of Filters, MicroFlexible Tubing, a WhisperSoft Muffler, and 4 HME Humidifier Filters. It's a great way to ensure your sleep therapy system is up to date and refreshed for a good night's sleep Micro WhisperSoft Muffler, Custom AirFlex Hose (6 Foot), 4 AirMist HME Filters, 2 Foam Filters Resupply Package Filters for Transcend Micro Machine