Seachem Glass U Tube Size:20mm there’s even a branch made

there’s even a branch made with natural silvervine

Nutrafin Cycle Biological Aquarium Supplement is suitable for freshwater & saltwater aquariums

Completely edible – encourages healthy foraging and chewing behaviours

Specially shaped holes have unique silicon flaps that hold KONGs securely upright for mess-free stuffing

Multiple areas of reflective stitching ensuring great night-time visibility

Seachem Glass U Tube Size:20mm there’s even a branch madeOverview The 20 mm 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. Compatible with 6 mm (1 4") Standard Airline Tubing.