High quality, made of durable materials. Exquisite and delicate design, efficiently matches with the equipment. High-efficiency robotic cleaning filter removes dirt and debris from the swimming pool, such as leaves, dust, and diatoms, leaving your swimming pool clean. Plastic frame offers durability, providing strong support to the filter layer and preventing damage during operation. Washable and reusable, these filters can last 2-3 years with proper use. For best performance, flush the filter every 4-6 weeks. Compatible with Dolphin CC Plus, M5, M400, M500, M200, Dolphin Triton Plus, and Dolphin Wave 65 robot pool cleaners. (Not compatible with CC models.) Same as model 9991432-R4. Color: Black + White. Material: Plastic. Size: 26.5 x 17.5 x 1.5 cm. Package contents: 4 * Ultra-Fine Filters. Only the above package content included, other products are not included. Note: Light reflection and different displays may cause slight color differences between the image and the actual item. Measurement allows an error of +/- 1-3 cm.