Hagen Silcon Airline (3M)

Cazaar

Marina Airline Tubing 3 Sizes Marina airline tubing is safe and dependable for use with air stones, air curtains, air powered ornaments and air-driven filters. Marina airline is designed to fit all standard air pump outlets and fittings. This silicone airline tubing remains supple and retains its shape for a long service life. Dimensions... Internal - 4mm External - 6mm Blue in colour Remains Supple Retains Shape

Amazon

Marina airline tubing is safe and dependable. For use with air stones, air-actuated ornaments and air-driven filters. Designed to fit all standard outlets The tubing will remain supple and retain its shape. Size: 3mtrs