The Hayward CL220BR off-line brominator is designed for compatible pool and spa sanitation applications where bromine delivery is preferred. An off-line brominator is useful because it helps feed bromine through a dedicated side-stream arrangement, supporting more controlled sanitizer delivery without placing the unit directly in the main plumbing line.This unit is especially useful for installations that are set up for off-line chemical feeding or where bromine is the chosen sanitizer. Using a dedicated feeder can help simplify routine maintenance and support more consistent treatment.The CL220BR is a practical sanitation solution when a compatible system needs dependable off-line bromine feeding. Hayward CL220BR off-line brominator Designed for compatible pool and spa sanitation applications Helps provide controlled bromine delivery Useful for systems set up for off-line chemical feeding Supports cleaner and more dependable water-treatment performance