Name: Plastic version oil removal film water inlet and outlet set Includes: oil removal film water outlet, large flow water inlet, suction cup x 4 Optional: bell mouth, split fixing frame Instructions for use: Note: If the raised arrow mark exceeds 90 degrees during rotation, water will come out of the oil removal film port Tube A: Raising, lowering, and horizontally rotating tube A can change the suction of the oil removal film Tube B The following methods can adjust the suction of the oil removal film: 1. Horizontally rotate to adjust the angle of tube A 2. Increase or decrease the depth of tube A inserted into tube B 3. Increase or decrease the distance between the outlet and the water surface Note: The packaging may differ due to manufacturer updates, please refer to the actual product received. Product Category: Water Inlet and Outlet Weight: 158g Specifications: 12mm Colour:Transparent / Specifications: 16mm Colour:Black Material:Plastic<br><br>Package Contents: 1 * Oil removal film for grass tank Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.