Easy to install, firm and leak-proof, adjustable angle for easy disassembly and cleaning The standard quick-detachable fixing bracket is small in size and easy to disassemble The following methods can adjust the suction of the oil removal film: 1. Horizontal rotation 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 Note: The elbow can be squeezed tightly when assembled with other accessories. Inserting too deep will easily crack *It is normal to have slight scratches on the of the product. It is not easy to detect after installation. Perfectionists should be careful when Material: Stainless steel colour: As shown Package Contents: 1 x Aquarium water inlet skimmer 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.