VEVOR 3/8 in Self Sinking Aeration Hose, 100 Ft Long Weighted Pond Aerator Hose Kit, Heavy Duty Rubber Pond Aeration Tubing, Flexible Airline for Lake Water Garden Aerators & Diffusers 100 ft Extended Length Self-Sinking Design Flexible Rubber Material Kink-Resistant Wide Application Weather-Resistant Item Model Number: 3/8-ZCSQG,Product Weight: 13.7 lbs / 6.2 kg,Specification: 100 ft / 30.5 m hose, 3/8 in (9.5 mm) inner diameter,Material: EPDM + Rubber