WIDELY USED: Suitable for fresh water and salt water, also can be used for devices such as filters, pump return lines, protein skimmers, etc. WATER FLOW CONTROL: Allow you to control the flow of water passing through your hosing, and shut it off completely. WATER LEAKAGE PROOF: Water leakage proof, rust and corrision resistant, polished surface enables you to grip comfortably without hurting your hands. Colour: Material:plastic Size:20mm Package Contents: 1 * Filter Connector Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!