Self-Weighted 25' ft Self Sinking Pond Air Hose Aerator Tubing 3/8" ID Airline
NEW 3/8" I.D. Self Sink Weighted Aeration Tubing - 25' Foot length. Tubing easily attached to your compressor on one end and diffuser on the other end and will sink on its own ( no need to weight it down and hope it stays - IT Will! ).