Flexible Tube Aquarium Water Surface Protein Oil Skimmer Set Black Product Name : Fish Tank Water Surface Oil Skimmer;Material : Plastic Size : 29 x 10.5 x 2.8cm/ 11.4" x 4.1" x 1.1"(L*W*D);Flexible Tube Size : 18.5 x 1.5cm/ 7.3" x 0.6"(L*D) Tube Dia. : 13mm/ 0.3";Color : Black, Gray Net Weight : 150g Package Content : 1 Set x Fish Tank Water Surface Oil Skimmer Set