Uxcell Aquarium Stainless Steel Filter Guard Mesh Fish Shrimp, 12mm Product Name : Filter Guard; Color : Silver Tone Inter Dia. : 12mm/0.4"; Outer Diameter : 2.3cm/0.9" Total Size : 7 x 2.3cm/2.8" x 0.9" (L*D); Material : Stainless Steel Net Weight : 10g Package Content : 1 x Filter Guard