Streamline Line Sets have been an industry leader for decades. We leverage our many years of experience and expertise producing copper tube in every line set we make. From liquid line and suction line handling to unique insulation applications and packaging, every Streamline Line Set meets our rigorous standards for quality and consistency. With a broad offering of liquid line and suction line diameters, insulation, thicknesses, custom ends and connections plus a wide array of custom options, we're able to meet our customers' most specialized and exacting needs.

• 3/8 in. Liquid line x 1-1/8 in. Suction line x 1/2 in. Insulation x 50 ft. L
• Copper tube UL recognized to 700 psi
• R410a engineered and tested
• Proprietary manufacturing process allows for kink-free installation
• Meets ASTM B1003

The seal helps cool more efficiently in summer. The seal prevent heat loss in winter. The weatherseal is grey color. It is made of compressible open cell polyurethane foam.

• Package contains enough weatherseal for 1 window air conditioner unit
• Reduces leaks and helps prevent vibrations
• Press in place to seal gaps
• Compresses easily
• Weatherproofs the spaces around the A/C
• Helps Save Cooling loss from A/C