Supa Aquarium Airline Tubing 60m x 4mm is a high-quality tubing is designed for use in freshwater or in saltwater aquariums.

Internal diameter is 4 mm, and the external diameter is 6 mm.

Use for connecting air pump to all various aquarium accessories such as air operated ornaments and air stones.

Compatible with all air pumps and air accessories that run 4mm internal/ 6mm external airline.

Made in the UK.