This insulated twin copper pipe set (6.35mm & 12.7mm x 20m) is a high-performance, pre-insulated line set designed for HVAC systems, specifically for R410A and R32 split-system air conditioners. It combines high-grade copper with durable, fire-retardant insulation in a single bundle, offering significant time-saving benefits during installation. Key Specifications Tube Diameters: 1/4" (6.35mm) & 1/2" (12.7mm) Wall Thickness: 0.8mm for both tubes (standard for most R410A applications) Length: 20 meters (continuous roll) Insulation: High-density, closed-cell polyethylene (PE) foam, typically 9mm thick Temperature Resistance: Generally -60°C to +120°C (fire-retardant/fire-rated) Material: 99.9% pure copper (soft annealed for flexibility)

Insulated copper tube 6.35 x 0.8mm+12.7 x 0.8mm x 20M