The Guardian Pool/Spa Filter Replacement Rainbow RTL-75 is a high-quality filter cartridge designed for easy installation in pools and spas. With a capacity of 75 sqft, this unit is suitable for use with Guardian Filtration Products, Unicel C-4975, Pleatco PRB-75, and Filbur FC-2395 filter cartridges. The model number 420-210-01 ensures compatibility and reliability for maintaining clean and clear water in your pool or spa. Whether you are looking to replace an old filter or upgrade to a more efficient one, this product offers a convenient and effective solution for keeping your water crystal clear.

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