Enjoy crystal clear water in your pool with the DL122 Swimming Pool Filter Cartridge pack! Specifically designed for DL18 and DL21 models, this pack of 8 ensures optimum filtration for a prolonged period. The cartridges are easy-to-install and remove, maintaining a clean, refreshing environment in your pool. Experience efficient performance throughout the swimming season. Say goodbye to visible impurities and enhance your swimming pleasure with the DL122 Filter Cartridge pack. Order yours today, for a swim that feels healthier and more blissful than ever.