Self Sinking Hose
Self-sinking hose is the latest high-tech product on the market. It is corrosion-resistant, anti-clogging, and simple to install, easy to clean. Directly immerse it in water and connect to the air pump . it’s energy saving , power saving, high oxygenation efficiency. Poke holes on the the self-sinking hose, 1mm hole diameter, 15cm spacing (…