100% , made of high-quality materials Exquisite and delicate design, perfectly compatible with the equipment High-efficiency robotic cleaning filter removes dirt and debris from the swimming pool, such as leaves, dust, and diatoms, keeping your swimming pool clean ABS plastic frame with pleated fiber filter, solid, washable, and reusable, designed to last Durable plastic frame provides strong support for the filter layer and prevents breakage during operation Washable and reusable; these filters can last 2–3 years with proper use. Flush the filter 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 for CC), Z5i, Triton Plus (old), XL, C3, C4 Dimensions: 10-1/2 inch x 6-3/8 inch (26.5 x 17.5 x 1.5 cm) Name: Fine Filters Elements Part Number: 9991432-R4 Size: 26.5 x 17.5 x 1.5 cm Color: White & Black Material: Plastic Package Contents: 4 x Ultra-Fine Filters 1 x Cleaning Brush Note: Light reflection and different displays may cause slight color variation between the image and the actual item. Measurement allows an error of +/- 1–3 cm