Orb-3 D630-500-50FTR MixAirTech Self-Sinking Aeration Hose, 50 Feet, Black
Weighted tubing designed to carry air between the pump and the diffusers. made To work in all weather, even the cold, MixAirTech sinking hose will provide many years of service. due To its weight, it will not float and requires no added weights during installation. Installation is easy and quick, compared to non-weighted tubing which requires added weights to keep it down.
