O-30 Whale Oyster Shell
Available in a 3 x 5 configuration with an 18 mesh size. Ideal for use in aquariums and marine environments where fine mesh filtration is required.
| Specification | Detail |
|---|---|
| Size | 3 x 5 |
| Mesh | 18 mesh |
FAQ
What is the mesh size of the O-30 Whale Oyster Shell?
The mesh size is 18 mesh.
Is this product suitable for use in marine aquariums?
Yes, it is designed for use in marine aquariums where fine filtration is needed.
How many units are included in one pack?
One pack includes 3 x 5 units.

Molly Wilson –
The O-30 Whale Oyster Shell fits well in my marine tank and provides good filtration. The 18 mesh size works perfectly for keeping water clean without clogging. Easy to install and maintains water quality over time.
James Clarkson –
I’ve used this in my saltwater setup for a few months now. It holds up well and helps with water flow. The mesh is fine enough to filter out small particles without blocking the system.
Adrian Nash –
Great product for maintaining a clean tank. The 3×5 size fits neatly in my filter housing. Works smoothly with my existing setup and has not shown any signs of wear.