Aquarium Outlet Pipe Elbow Connector: The fish tanks outlet pipe elbow connector adopt fine surfaces & perfect mould opening, can screw easily and fitting perfect for your various size outlet pipes. Wide-Range Application: The aquarium outlet pipe connector 3 different optional size for various pipe diameter, 20mm/25mm/32mm, which can meet your various size fish tanks & aquariums outlet pipes. Selected The outlet pipe connector use qualified PVC , , with wear resistant, for better . High Grade Design: The thread elbow connectors use industrial-grade design standard, thicken pressure-bearing wall, sufficient materials, and watertight . Non-Leakage: The elbow connector use multiple sealing design, safe, which can with-stand high pressure and non-leakage.