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The 4mm 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
- 1 metre of 4mm black air tubing
- If you purchase 2 lots you'll receive 2 metres of continuous length of tubing
Standard 4mm airline size for most aquarium air pumps.