Features: Keep your fishtanks secure with this net cover that prevents small shrimp from escaping. Suitable for outdoor camping, fishing, and gatherings. Perfect for Aquariums and ensure the safe of shrimp/fish while water filter . Use from reliable material, this net cover ensures a successful safe protect experience. Ensure a successful filtration with this net cover. Specifications: Product Dimension: Appr. Small size 2.1x6.50cm/0.82x2.56inch, inner diameter 1.2cm/0.47inch, Large size 2.6x6.50cm/1.02x2.56inch, inner diameter 1.8cm/0.71inch Material: StainlessSteel Style Option: Small/Large Package Includes: 1x Aquariums Intake Filter Mesh Cover note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual colorofthe item.