Click to expand Tap to zoom ff-therm multi Difustop 20x2mm PE-RT - coils of 500 meters by Robbens Systems SKU 75020900 ff-therm ML5 Difustop PE-Xb coils Has a pipe structure of standardized basic pipe in accordance with EN ISO 15875 Made of cross-linked polyethene (PE-Xb – EVOH oxygen diffusion barrier coating). oxygen diffusion resistant in accordance with DIN 4726 < 0.2 Accessories