Our Multi-Purpose PVC Mesh Sheet is a flexible, highly versatile product essential for any serious aquarium hobbyist or DIY project. Made from durable, non-toxic, and aquarium-safe PVC plastic, this mesh sheet can be easily cut to size using scissors or a hobby knife. It serves multiple critical functions: Tank Divider: Safely separate aggressive fish or breeding fish while maintaining water flow. Sump Filter Base/Partition: Creates a solid foundation to hold filter media (like bio-balls or media bags) or partitions filtration chambers. Tank Hood/Lid Base: Acts as a lightweight, breathable support for a custom-made hood or screen lid, preventing fish from jumping. It is fully submersible and chemical-resistant.