U-Bend Glass Tubing Connector + 4x Suction Cups

U-Shaped Glass CO2 Tubing Connector

• Made of high-quality glass. 
• U Shape for Co2 System. 
• Provide nice alignment for tubing goes over the glass edge from outside to the inside of the tank. 
• For 4/6mm tubing.

In 3 different sizes:

• Small: For aquarium with 1cm thick glass
• Medium: For aquarium with 1.5cm thick glass
• Large: For aquarium with 2cm thick glass