uxcell Plastic Shell Aquarium Shrimp Fish Safe Protect Net Filter Product Name : Aquarium Shrimp Filter; Material : Plastic, Rubber , Metal Color : Black, Silver Tone; Inner Hole Dia : 8mm/0. 3" Size : 8 x 2. 2cm/ 3. 1" x 0. 9"(L*D) Weight : 21g Package Content : 1 x Aquarium Shrimp Filter