Replacement Ultra Fine Cartridge Filter Panels Broad Compatibility: Designed to fit with CC Plus, M400, M500, Z5i, Triton Plus (Old Version), XL, C3, and C4 robotic pool cleaners. Exact replacement for part number 9991432 R4, ensuring a seamless fit and reliable performance. Durable Construction: Built with a strong ABS plastic frame for longlasting use. The sturdy design resists wear and damage from prolonged exposure to water and cleaning processes. Efficiency Filtration: Captures and removes fine debris including leaves, hair, dust, and diatoms, helping maintain clear and clean pool water. Keeps impurities from circulating back into the pool. Pool Cleanliness: Maintains peak performance of your robotic pool cleaner by keeping filters in condition, resulting in consistently spotless pool surfaces. Practical Applications: 1. Residential pools – Ideal for keeping backyard swimming pools from fine particles and organic debris, reducing the need for manual cleaning. 2. Commercial pools – Suitable for hotel or community pools where consistent water clarity and hygiene are essential. 3. Seasonal use – for startofseason deep cleaning or regular upkeep during peak swimming months to ensure swimready water at all times. Specifications: Material: ABS plastic frame with ultra fine filtration panels Compatibility: CC Plus, M400, M500, Z5i, Triton Plus (Old), XL, C3, C4 Part Number: 9991432 R4 Performance Advantage: With precise fitment, rugged material, and effective filtration capability, these replacement ultra fine cartridge filters are an essential maintenance component to extend the lifespan and efficiency of your pool cleaning system.