Generous Quantity: Pool cleaner climbing rings provide sufficient replacements for efficient cleaning needs. This quantity allows for sharing with family or friends. These rings are designed for use as replacement parts for robotic pool cleaners.Precision Design: Climbing rings have specified outer diameter, inner diameter, and thickness when measured in dry condition. Dimensions are provided in dry state and may vary slightly after soaking in water. Store the rings in a dry environment when not in use.Effortless Installation: Before installing, fully soak the climbing rings in water until they expand completely. Handle gently during installation and place them properly into the roller mechanism.Wide Compatibility: Designed to be compatible with various robotic pool cleaners, these replacement climbing rings work well with models including M200, M400, M500, DX3, DX4, DX6, and others.Experience Longevity: Made from quality PVA material, these climbing rings are durable and resistant to breakage, offering a long service life. They help maintain the efficient performance of robotic pool cleaners and support effective pool maintenance.Material: PVA Color: White Package Contents: 8 x Pool Cleaner Climbing Rings Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement error allowed is +/- 1-3 cm.