The Lot Of 5 Papmd Bacteria Filters JS-BY-BF6 are high-quality filters designed for CPAP machines. Made by the brand Papmd, these filters are compatible with a universal range of CPAP devices. This model ensures that your CPAP machine remains clean and efficient by trapping bacteria and other contaminants, promoting better overall health and well-being. Perfect for those looking to maintain the cleanliness of their CPAP system.