Material: PVC

Tube inner diameter 41mm length 25cm

It is applicable to drain hole of 41mm under 48mm. After being installed, the original elbow cannot be connected. It needs to be used with duckbill.

Drip acrylic large box/plastic steel base/DIY for filtering, large size drain lengthened extension pipe, making flow duckbill head. It can be used to extend and lengthen water and reduce sound. The Duckbill head can be adjusted to make flow to a certain extent, driving the water circulation in the cylinder.

[Please note that no pipe fittings can make dripping without sound and bubbles! (Bubbles can save oxygen pump)]]

This accessory is suitable for 48mm drain hole