LINLAN 17mm Glass Lily Pipe with Skimmer, Inflow and Outflow, Fits 16/22mm (5/8" i.d.) Filter Hose for Aquarium Planted Tank

【High borosilicate glass】: Glass Inflow and Outflow uses laboratory precision instrument-level manufacturing technology. The raw material is high borosilicate glass with a light transmittance of 92%. It is far more stable and transparent than any plastic material. It is resistant to aging and corrosion and can be used in both freshwater and seawater environments.
【Almost invisible】: Allowing maximum viewing angles and enhancing the perfection of your aquascape.
【Increasing oxygen levels, slowing down the flow, and sparkling water】: the water outlet is slightly higher than the water surface can achieve the effect of aeration to increase oxygen levels, when it is at the same height as the water surface, a beautiful lake ripple effect will be created. When it is completely submerged in the water,it can achieve slow flow - the water plants will not be disturbed by the rapids.
【Will not affect algae cleaning】: Glass Lily Pipe Inflow and Outflow is fixed to the outside of the aqu