Jardin Aquarium Water Surface Protein Oil Skimmer Set, Black Product Name : Fish Tank Water Surface Oil Skimmer; Material : Plastic Size : 18 x 4.5 x 1.8cm/7.1" x 1.8" x 0.7"(L*W*D);Tube Dia. : 7mm/0.3" Color : Black Net Weight : 33g Package Content : 1 Set x Fish Tank Water Surface Oil Skimmer Set