Genuine OEM replacement hooks designed to securely lock the filter cartridge in place inside Dolphin robotic pool cleaners. Crafted from durable materials for long-lasting performance, these hooks help prevent cartridge dislodgement during cleaning cycles—ensuring reliable filtration and safeguarding internal components.

Compatible with a wide range of Dolphin models, including:
Supreme M4, M5 and Liberty
Wave series: Wave 65, Wave 90
M-series: M3, M400, M500
Oasis: Dyn Oasis Z5 / Z5i
C-series: C3, C4
Other models: Bio, Triton Plus, Odyssey, Sigma, Aquarius XL, Nautilus CC Supreme, and more