Compatible with Dolphin Pool Cleaner Parts: Our Climbing Ring replacement kit is designed for Dolphin Maytronics robotic pool cleaners to help climb and clean pools effectively. Compatible models include M200, M400, M500, Nautilus, Nautilus CC Plus, DX3, DX4, DX6, Aquarius XL, Premier, and Oasis Z5i. Climbing Rings compatible with part number 6101611-R4. Suitable for Dolphin, Maytronics, Sigma, Triton (old), Deluxe 4/5, Saturn (old), Atlantis, Apollo, Apollo Plus, Wave 65, Endeavor, Edge, HD, 3001, 2X2, Wave 2X2, and Prowler 820/83. Replacement climbing rings for Dolphin Deluxe 4 and Dolphin Nautilus CC Plus robotic pool cleaners. Includes 4-pack value set for reliable performance. Made from high-quality plastic materials, these climbing rings are durable and help maintain efficient operation of your robotic pool cleaner. Designed to extend the life of your unit and support proper pool maintenance. Note: This product is not affiliated with any brand. Brand names or model designations are used solely to indicate compatibility. Color: White Material: Plastic Size: 4.8 x 2.6 x 9.2 cm Package Contents: 4 x Pool Wheel Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.