Colour:12mm Quantity:1 welcome to my store, Hope you have a pleasant shopping trip! Features:1.The external filter barrel in and out of the water pipe connection, connect the front outfilled bucket; adjust the control water flow and speed; it is convenient to maintain cleaning the external filter barrel;2.Applicable hose diameter/inner diameter (optional): 12mm/12mm 16mm/16mm 12mm/16mm 22mm/22mm3.The operation is simple, the speed of the water flow of the valve adjustment/opening/turn off the water flow (the straight state is 90 is the full level, the vertical state is 180 to open, and the middle state is regulating the size of the water flow)Specifications:12mm connection suitable for soft water pipes with an inner diameter 12mm outer diameter16mm connection is suitable for soft water pipes with an inner diameter 16mm outer diameter 22mm;12mm/16mm ast connection is suitable for a soft water pipe with a diameter of 12mm in the inner diameter of one end.22mm connection suitable for a soft water pipe with an inner diameter 22mm;Material: plastic Package List:1 X Aquarium Hose ValveNotes:1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.2. Please allow 1-2cm slight dimension difference due to different manual measurement. High -quality engineering plastic material, sturdy, corrosion resistance, acid and alkali, long service life, safe and durable , 3-stage design can quickly connect to disassembly, lock the water without returning The main body adopts a dual -seal structure to prevent leakage, with water flow control switch, and when the fish tank out of water and water, the flow rate can be controlled Fish tank aquarium filter barrel water pipe fast connector with water flow control switch is used for external filter barrels and water pipe connections, which is convenient for the aquarium water grass cylinder to enter and exit the water pipe quickly. The operation and installation are simple and widely used. It can be used for equipment such as the outer filter, soft water pipe, pump recovery pipe, protein separator, etc. SHOP WITH CONFIDENCE: To provide you with the highest quality service, If you have any question, please feel free to contact us.We will provide after-sales service until you are satisfied. See more product details High -quality engineering plastic material, sturdy, corrosion resistance, acid and alkali, long service life, safe and durable , 3-stage design can quickly connect to disassembly, lock the water without returning The main body adopts a dual -seal structure to prevent leakage, with water flow control switch, and when the fish tank out of water and water, the flow rate can be controlled Fish tank aquarium filter barrel water pipe fast connector with water flow control switch is used for external filter barrels and water pipe connections, which is convenient for the aquarium water grass cylinder to enter and exit the water pipe quickly. The operation and installation are simple and widely used. It can be used for equipment such as the outer filter, soft water pipe, pump recovery pipe, protein separator, etc. SHOP WITH CONFIDENCE: To provide you with the highest quality service, If you have any question, please feel free to contact us.We will provide after-sales service until you are satisfied.