Elevate the cleanliness and performance of your CPAP equipment with our comprehensive 4-Pack of Replacement Cartridges and 4 Check Valves, designed for perfect compatibility with the SoClean 2 Cleaning Machine. This all-in-one kit is your ticket to a refreshing and worry-free CPAP experience. Our kit includes both 4 replacement cartridges and 4 check valves, ensuring you have everything you need to maintain your SoClean 2 Cleaning Machine in one convenient package. The 4 included check valves ensure optimal functionality of your SoClean 2 Machine by preventing any unwanted backflow of cleaning solution, allowing for a seamless and thorough cleaning process. Swapping out old cartridges and check valves is straightforward and hassle-free, requiring no special tools or technical expertise. You can have your SoClean 2 Machine up and running smoothly in no time. Regularly replacing these essential components prolongs the life of your SoClean 2 Cleaning Machine, saving you from the expense of having to replace the entire unit. With fresh cartridges and efficient check valves.