"Upgrade your spa filtration system with the Type D Cartridge. Designed for maximum efficiency, this cartridge is compatible with a range of spa models and offers superior filtering performance. Say goodbye to debris and dirt as this cartridge traps particles as small as 10-15 microns, ensuring crystal-clear water for your enjoyment. Easy to install and maintain, the Type D Cartridge is a must-have for any spa owner looking to keep their spa clean and inviting all season long.