Astral Pool Cantabric Filter Lid O-Ring (4404180201) appliedcomputer Because it includes the overlay

Because it includes the overlay

The white finish can help maintain a cleaner visual match in lighter pool and deck environments

and this Maytronics Dolphin magenta version uses the 6101640 reference

When the overlay begins to fade or wear out

or no longer delivering the expected level of flow

Astral Pool Cantabric Filter Lid O-Ring (4404180201) appliedcomputer Because it includes the overlayThe Astral Pool Cantabric filter lid O ring is designed for compatible lid sealing applications where the upper access cover needs a dependable seal. An O ring like this is useful because it helps maintain a leak resistant closure at the filter top, supporting cleaner operation and more confident maintenance access. This replacement is especially useful when the original O ring is flattened, brittle, stretched, or no longer sealing consistently around