The FROG @ease SmartChlor Cartridge is a convenient and efficient solution for maintaining clean water in swim spas. With a prefilled cartridge that lasts 3 to 4 weeks, users can enjoy hassle-free water care without the need for measuring or handling. This product is compatible with FROG @ease systems and provides consistent chlorine distribution, making it gentle on skin while supporting reduced chlorine use. Designed for swim spas up to 3,000 gallons, this cartridge set offers a hassle-free and efficient way to keep pool water clean and clear.