[Powerful Filtration] The ultra-fine and heavy-duty paper with more pleats provides maximum filtration efficiency, easily removing debris and keeping your pool sparkling. [Perfect Fit] Our Ultra Fine Filter (Replaces Part # 9991432-R4) and climbing ring (Fits with Dolphin 6101611-R4) replacement kit is compatible with Dolphin CC Plus, M200, M400, M500, Wave 65, Oasis Z5i, XL, DX3, DX4, DX6. [Simple Installation] Soak climbing ring thoroughly in water until expanded and softened enough to install on rollers. Slide them in slowly to ensure they are properly seated in their designated space. [Premium Quality] Firmly supports the filter layer and prevents it from breaking during operation. Resists deformation when pool water flows through, providing maximum hydraulic efficiency and overall structural stability. Color: As Shown Material: Plastic Package Contents: 4 x Filter Elements 4 x Climbing Rings Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual item. Measurement allowance is +/- 1-3 cm.