Seachem – U Tube
Seachem – U Tube is a glass U Tube allows you to easily run airline (preferably silicone) for CO2 or for general air supply over the rim of the aquarium without bending or creasing. Made of strong clear glass, which minimizes visibility of tubing.
Comes in two sizes:
10mm
20mm
Check out our other Seachem Items.
Gavin Blane (verified owner) –
12mm – Fits perfectly on my 12mm glass and it really tidies up air tubing going over an open top tank to really give the tank that extra neat look.