Pro-Line 4″ Aerated Bottom Drain

The Pro-Line 4″ Bottom Drain is perfect for all gravity fed installations. Precision machine cut to the highest standard, a bottom drain you can rely on. 1″ separate pressure pipe air connection allows air to enter the drain independently from the water pipe outlet. We cannot express the importance of installing a bottom drain when planning and building your pond and these drains provide a cost effective way of doing this. 
 
Suitable for 4″ or 110mm pipework. Can be used with standard waste pipe with suitable connectors.