Aquarium Filter Hose Tube Lily Inlet Surface Skimmer 12 Oil Film Adjustment Description: Adjustable outdoor flow direction, adjustable lower flow, 1mm spacing mesh inlet is easy to filter and isolate contaminated water, preventing fish and inhalation. Made of 304 stainless steel, never rust, easy cleaning. With surface oil film processing function, the position of the floating oil film is automatically adjusted to . Come with clear acrylic, easy installation in your aquarium. Pipes for tube 12mm/16mm, outlet can be rotated 360 degrees, Pagoda interface, prevent falling out. Specification: Material: stal stainless steel, acrylic Color: 12 inlet outlet: total outlet length 20 cm/7.87 inch, total inlet length 30 cm/11.81 inch 16 outlet inlet: total outlet length 25 cm/9.84 inch, total inlet length 34 cm/13.39 inch 12 outlets 16 inlets: total outlet length 20 cm/7.87 inch, total inlet length 30 cm/11.81 inch 12 Folia oil: total outlet length 20 cm/7.87 inch, total inlet length 30 cm/inch 16 folia: total outlet length 25 cm/9.84 inch, total inlet length 34 cm/13.39 inch 12 outlets 16 folia oil: total outlet length 20 cm/7.87 inch, total inlet length 34 cm/13.39 inch 12 adjustable oil film: total outlet length 20 cm/7.87 inch, total inlet length 30 cm/11.81 inch 16 adjustable oil film: total outlet length 25 cm/9.84 inch, total inlet length 34 cm/13.39 inch 12 outlets 16 adjustable oil film: total outlet length 25 cm/9.84 inch, total inlet length 34 cm/13.39 inch The package includes: 1 set lilac pipe with water supply