5Pcs 3D Printer Teflon Long Distance 1.75mm Nozzle Feed Tube PTFE TubeFeature:Specifications: Φ2 x 4mm (inner diameter is 2mm, the outer diameter is 4mm)Temperature range: -190 ℃ ~ 280 ℃Long: 1M/pcsNozzle type: 1.75MMPackage included:5 x Teflon Long Distance 1.75mm Nozzle Feed Tube