The Vulcan V3MRO-PMM is a high-quality reverse osmosis system cartridge and membrane kit designed to enhance your water purification process. This kit includes one RO system membrane cartridge, ensuring optimal filtration performance. For the Vulcan V3MRO-2 unit, it is recommended to use two cartridges for maximum efficiency. The advanced membrane technology effectively removes impurities, providing clean and safe drinking water. Easy to install and maintain, this kit is essential for maintaining the longevity and effectiveness of your reverse osmosis system.