and high quality, made of high-quality materials Exquisite and delicate design that matches well with the equipment High-efficiency robotic cleaning filter removes dirt, debris, leaves, dust, and diatoms from swimming pools, keeping your pool clean and spotless Durable plastic frame provides strong support for the filter layer and prevents breakage during operation Washable and reusable; filters can last 2–3 years with proper use. Flush every 4–6 weeks for optimal performance Compatible with: Dolphin CC Plus, M5, M400, M500, M200, Dolphin Triton Plus, Dolphin Wave 65 robot pool cleaners (NOT compatible with CC model) Equivalent to model number 9991432-R4 Color: Black + White Material: Plastic Size: 26.5 x 17.5 x 1.5 cm Package Contents: 4 x Ultra-Fine Filters Note: The package includes only the items listed. Other products are not included. Due to lighting reflections and display differences, the color in the image may slightly vary from the actual product. Measurement error allowed is +/- 1-3 cm.