Features: brand new and high quality Material: Made of high-quality plastic. High pressure resistance, can stand pressure without tripping out. Great for long term use. Easy to use: Simple push in design for connecting to the tube and provide secure connection, requires no sealing. Convenience: Quick connects fittings easy to install, which can be removed conveniently. Application: It is widely applied in fish tanks inlets outlet water system, aquariums external filter system, water filter, etc.. Size: 5/8" fittings, 1/2" fittings, 1/2'' to 5/8'' fittings to choose from, meet your requirement for various purposes. Push to connect fittings type: 1/2'', 5/8'', fit for 12mm 16mm inner diamter tube. Specifications: Material: Plastic/Acrylic Color: As Pictures Show Style: 12mm Connector/16mm Connector/12mm to 16mm Connector Size (Approx.): 12mm-31x192mm/1.22x7.56in 16mm-31x204mm/1.22x8.03in 12mm/16mm-31x198mm/1.22x7.79in Weight (Approx.): 180g Package Includes: 1 Piece Filter Water Pipe Quick Connector (12mm/16mm/12mm to 16mm) note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!