Swell Black Airline is suitble for use with most pond air pumps. With an inner diamter of 4mm and an outer of 6mm, this is one of the most universal sizes avaialble. It's also available in clear.
Our own branded airline is sturdy and strong, offering long lasting, leak free performance and will help you to create the best connections between airstone and pump.
- Fits most air pumps 3-4mm i/d 6mm o/d.
- Colour: Black.
- Length: 30Metres.