Hamineler 2 PCS Stainless Steel Fish Tank U Shape Pipe, 2 PCS Non-Return Check Valve, 4 PCS Suction Cup, for Aquarium Connecting Air Line

Description

Package Includes: 2 PCS Stainless Steel U Shape Pipe 2 PCS Non-return Check Valve 4 PCS Suction Cup U-shaped Glass Tubes do not bend like Airline Tubing to block air flow. Check valve can protects the water pump equipment from water back-flow damage.