Replacement copper and marix discs for Autopot Systems.
189mm Discs are for 15 litre pots, the black Marix disc goes in the pot with the media on top and the Copper disc goes under the pot
265mm Copper Discs are for use with the 25 litre XL pots.
You use these disk to stop roots getting into the pipes!
The Disk Size are disgined for The Right Size Pot
189mm for 15 litre pots
265mm for 25 litre pots