Don't let murky pool water ruin your island vibes! Introducing the Intex Swimming Pool Filter Cartridge - your ticket to pristine, sparkling water. Crafted from extra thick paper, these cartridges work wonders in keeping your pool clean. Swap them out every 2-4 weeks for optimal performance, depending on your pool's usage and the sunny Caribbean weather. Designed for Easy Set and Metal Frame Polish models, these cartridges are your secret weapon for a picture-perfect pool every time.