The 6PK Papmd Inline CPAP Bacteria Filters offer a universal fit for most CPAP machines, individually sealed for freshness. Made by Papmd, these filters are designed to remove bacteria and other contaminants from the air entering your CPAP machine, ensuring a healthier and more comfortable sleep experience. With a unit quantity of 6, these filters are ideal for long-term use and are compatible with a wide range of CPAP models. Made in China, these filters provide a reliable and effective solution for maintaining clean and fresh air in your CPAP system.