Direct Info from Product Website : https://www.co2art.us/collections/co2-accessories/products/u-shape-glass-co2-tubing-connector
New U-Shaped Stainless Steel U-Bend Tubing Connector
- Made of high-quality Stainless Steel.
- 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 2 different sizes:
- Small: For tanks with 0.4 inch thick glass
- Medium: For tanks with 0.6 inch thick glass
- Large: For tanks with 0.8 inch thick glass
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