Specification Brand : Klmnduo BulletPoint1 : 【PTFE tube for 1.75mm filament for Smoother Feeding】The package includes a 16.5ft (5m) PTFE Teflon tube, a cutter, and 4 fittings (2 PCS PC4-M6 Fittings and 2PCS PC4-M10 Male Straight Pneumatic), The 2 mm ID × 4 mm OD With a 2 mm inner diameter, this tube snugly guides 1.75 mm filament, minimizing slack and ensuring highly accurate filament positioning. BulletPoint2 : 【Designed for Direct Drive Systems】Specifically engineered for Direct Drive Extruder printers—Featuring a 2 mm wall thickness (2×4 mm design), it provides excellent durability and resistance to deformation during prolonged use. BulletPoint3 : 【Stable and High-Precision Filament Transmission】With a robust construction that withstands temperatures from –454°F to 500°F and a compressive strength of 12 MPa (1740 Psi), this PTFE tube maintains consistent, precise filament delivery even in challenging printing environments. BulletPoint4 : 【Superior Chemical and Corrosion Resistance】Made from premium PTFE, the tube is highly resistant to acids, alkalis, and organic solvents, ensuring durability and reliability for both hobbyist and professional applications. BulletPoint5 : 【Certified Safe for Various Applications】Made from FDA-compliant materials (FDA 21 CFR 177.1550) and rated UL-224 VW-1 for flame resistance, this PTFE tubing meets strict safety standards, making it suitable for industrial, food-related, and electronic uses. BulletPoint6 : 【Multiple Size Options for Different Needs】Enhanced Stability in Bowden Systems,2mm ID X 4mm OD 3D Printer Tube The tight fit reduces filament wobble and vibration, leading to more consistent extrusion and improved print quality. Color : 5m, 2*4mm Blue IncludedComponents : 5M 2*4 PTFE TUBE Blue ItemName : Liquid-Smooth PTFE Teflon Bowden Tube 16.5ft with Cutter and Fitting Connector, 2mm ID X 4mm OD 3D Printer Tube Food Grade High Temperature Tube Pipe for Most 1.75mm Filament PLA ABS 3D Printer (Blue) ItemPackageDimensions_Height : 0.5 inches ItemPackageDimensions_Length : 5 inches ItemPackageDimensions_Width : 5 inches ItemTypeKeyword : 3d-printers Manufacturer : Klmnduo NumberOfItems : 1 PartNumber : 5M 2*4 PTFE TUBE Blue ProductDescription : Upgrade your 3D printer with our premium 2×4 mm PTFE tube, designed specifically for 1.75 mm filament Bowden systems. Its 2 mm inner diameter ensures a tight, precise fit that minimizes filament movement, reducing the risk of extrusion errors and enhancing print accuracy. With a robust 1 mm wall thickness, this tube offers superior durability and maintains its shape even under extended use. Engineered to withstand extreme temperatures and chemical exposure, it delivers stable, consistent performance in demanding printing environments. Additionally, made with FDA-compliant materials and UL-rated for safety, this PTFE tube is the perfect choice for high-precision 3D printers seeking reliability and superior quality. ProductSiteLaunchDate : 2025-03-13T04:17:23.508Z Size : 5m, 2*4mm Blue SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnspscCode : 40142000