Flexible linear triple layer anti-spark hose in Polyamide 12, internally reinforced by a PET braid, and externally by a further layer of anti-abrasive, flame retardant 85 shA Polyurethane compliant with UL94 V0, suitable for improving protection against sparks and welding slag. The anti-abrasive outer sheath (64 shoreD hardness) can be easily removed with a special tool.Tube suitable for use in quick-fit fittings.