[Powerful Filtration] The ultra-fine and heavy-duty paper with more pleats provides maximum filtration efficiency, effectively removing debris and keeping your pool water clean and clear. [Perfectly Fit] This replacement kit includes an Ultra Fine Filter (Replaces Part # 9991432-R4) and climbing rings (Fits with Dolphin 6101611-R4), compatible with Dolphin CC Plus, M200, M400, M500, Wave 65, Oasis Z5i, XL, DX3, DX4, DX6. [Simple Installation] Soak the climbing rings thoroughly in water until they are expanded and softened enough to install on rollers. Slide them on slowly, ensuring they are properly seated in their designated positions. [Premium Quality] The filter is firmly supported to prevent breakage during operation. Resists deformation under water flow, ensuring maximum hydraulic efficiency and structural stability. Color: As Shown Material: Plastic Package Contents: 4 x Filter Elements, 4 x Climbing Rings Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.