Jardin Mesh Centering Hole Filter Tube Strainer Pipe for Aquarium, 16mm Diameter Product Name : Aquarium Filter Tube; Material : Metal, Plastic Total Size : 8.6 x 3cm/3.4" x 1.2"(L x D); Centering Hole Diameter : 16mm/0.62" Color : Black, Silver Tone Weight : 14g Package Content : 1 x Aquarium Filter Tube