uxcell Aquarium Tank Filter Flow Fish Shrimp Safety Guard Protector Product Name : Aquarium Filter Guard; Material : Stainless Steel, Plastic Total Size : 7. 2 x 2. 4cm/ 2. 8" x 0. 95"(L*D); Centering Hole Dia : 12mm/ 0. 47" Main Color : Silver Tone Weight : 16g Package Content : 2 x Aquarium Filter Tube