The product is a lot of 12 packs of Apria felt pollen filters designed for the Resmed S 10 Series AirSense CPAP machines. Each pack contains 2 filters, giving a total of 15 packs in the lot. These filters are essential for maintaining the cleanliness and efficiency of your CPAP machine, ensuring that you receive high-quality air while sleeping. Manufactured by Apria Healthcare, these filters are specifically designed for the AirSense model, providing a reliable and effective solution for your CPAP needs.