Wide Compatibility: With part numbers P05345 and P03821, this chemical chlorine dispenser replacement part is compatible with Lay Z Spa pools. Water Purification: The chemical chlorine dispenser promotes even chlorine distribution in pool water, helping to purify and maintain clean water. Durable ABS Material: Constructed from high-quality ABS material, this replacement part offers durability and reliable performance for long-term use. Easy Installation: Designed for simple installation, this replacement part can be easily installed or replaced, saving time and effort. Regular Maintenance: Regular replacement of chlorine dispenser parts may help extend the lifespan of your spa system, supporting effective home spa and hot tub water treatment.