- Compatibility: These ultra-fine replacement filter cartridges are designed to fit CC Plus M400, M500, Z5i, Triton Plus (Old), XL C3, and C4 pool cleaners. They ensure your robotic pool cleaner operates smoothly and effectively. - Material: Constructed from high-quality ABS plastic, these cartridges feature a robust and durable frame. The filter panels are resistant to chemicals and UV rays, ensuring long-lasting performance. Part number 9991432 R4 guarantees authentic quality. - Filtration: The fine-pored filters effectively capture dirt particles such as leaves, hair, dust, and diatoms from your pool. Their specialized design keeps your pool water crystal clear and hygienically clean. - Performance: These replacement filters maintain the cleanliness of your swimming pool and enhance the cleaning efficiency of your pool robot. Their filtration performance remains consistent over the years, providing reliable pool maintenance. Use Scenarios: 1. Routine Maintenance: Ideal for regular cleaning sessions, these filters ensure your pool stays in top condition, making maintenance easier and more effective. 2. Seasonal Preparation: Before opening your pool for the season, replace your filters to ensure optimal cleaning performance right from the start. 3. Heavy Debris Situations: Perfect for pools surrounded by trees or in areas with high debris, ensuring thorough cleaning and reducing the time spent on manual skimming. Invest in these replacement filter cartridges for a cleaner, clearer pool and a more efficient robotic cleaner.