25mm Irrigation is the professionals choice when creating a DIY irrigation or drip hydroponics system. The higher capacity offered by 25mm products allows for much larger systems to be created and improves the irrigation efficiency of all sizes of growing system. Built around a range of new high capacity 25mm Professional Pumps, our 25mm Irrigation Range offers some high level fittings that are simply unusable at smaller capacity irrigation guages such as PCB's, Topspin 12's and Pro Filter Assemblies.