Up Aqua Airline Soft PVC Air Tubing 100 Metre Roll (Black)
The 4mm Up Aqua black airline soft tubing is more flexible and remains kink resistant for longer periods of time. Suitable for most standard 4mm air pump outlets and airline accessories.
Great to use with:
Standard 4mm airline size for most aquarium air pumps.
Up Aqua Part Number - UA-A618-B