Feature: 1. Good Compatibility: Replacement ultra fine cartridge filter panels are perfectly compatible for CC Plus, for M400, for M500, for Z5i, for Triton Plus (Old), for XL, for C3, for C4. 2. Premium Material: ABS plastic frame is stronger and more durable. Part number is 9991432 R4. A good modification part for pool cleaner. 3. Efficient Filtration: This pool cleaning filter removes dirt and debris from the pool such as leaves, hair, dust and diatoms, etc. 4. Keeps Your Pool Clean: Replacement robotic pool cleaner filters keeps your pool spotless and keeps your pool cleanliness at its best. 5. Service Life: Premium ultrafine filter lasts 2‑3 years. Please flush the filter every 4‑6 weeks for the best performance. Specification: Item Type: Robotic Pool Cleaner Filter Material: ABS Weight: Approx. 355g / 12.5oz Package List: 4 x Robotic Pool Cleaner Filter