Protect shrimp and fish - The mesh of the filter cover is small, which can avoid sucking small shrimp and fish. Prevent clogging - Can prevent the suction of large debris and block the filter system. Application - Fine and smooth mesh can prevent baby shrimp or fish from being sucked into the filter and protect shrimp and small fish safely. Suitable for use in aquarium and fish tank. Easy to install - Easy to install and convenient to use. It is recommended to regularly clean the stains accumulated on the filter protection with a brush. Specifications - Package includes: 2PCS. Made of stainless steel. Sturdy and durable in use, compact and resistant to deformation. Inner diameter: 16mm, outer diameter: 30mm, length: 85mm. Weight: 16g per pcs. Product Description Aquarium Filter Inlet Inlet Mesh Stainless Steel Basket Shrimp Protect Metal Filter Tube Shrimp Tube Mesh Net, for Fish Shrimp Aquarium Accessory Specifications: Material: stainless steel Size: 16*30*85mm (inner diameter * outer diameter * length) Weight: 16g per pcs Colors: White, black Inner diameter: 16mm, suitable for connecting 17mm outer diameter pipe. Quantity: 2PCS Notes: 1. Please allow 1-3cm error due to manual measurement. Please make sure you do not mind before you bid. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please take the real standard. Thank you!