The following article will describe how to swap your five Hydrotools factory original polypropylene cartridges with a single Pleatco Advanced High Quality Replacement Filter Cartridge.
Remove the Cartridge Filter Lid Assembly
Remove the Hydrotools Cartridge Filter Cover Assembly
Remove 5 original polypropylene cartridges
Remove Hydrotools Cartridge Filter Base Assembly
Although it is not threaded, you may need to spin the Filter Base Assembly to loosen it before it is removed.
Place Hydrotools Replacement Filter Cartridge inside cartridge filter tank
Place Hydrotools Cartridge Filter Lid Assembly back onto filter tank
Replacement pool filter cartridge for Hydrotools cartridge filter system #70150. This one cartridge replaces all 5 original polypropylene cartridges – also replaces (5) 71005 cartridges.