Seachem Glass U Tube (20mm Wide) Only 4 left – order now! In Stock


SKU: SC1516 Category:


The Seachem Glass U Tube are perfect for rimless planted aquariums dosing CO2 from your canister to diffuser. 

The strong, clear, glass structure adds to the aesthetics of your tank, minimizing the visibility of tubing, and prevents kinks or cracks while running airline over the aquarium rim.


  • 10 mm size is suitable for rimless aquariums ? most standard aquarium rims are wider than 10 mm and require the U-Tube 20 mm
  • Ideal for aquarium airline or CO2 tubing
  • Great for use with CO2 injection systems or bubblers
  • An excellent addition to planted aquaria
  • Available in two sizes: 10mm and 20mm