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:
- Airstones and air curtains
- Air operated ornaments
- Air driven filters - Sponge filters
- Check Valves, gang valves and other air accessories
Standard 4mm airline size for most aquarium air pumps.