Key features

• •【All In One Kit】25ft. insulated line set*1，wall sleeve cylinder*1, decorative wall cap*1, wall filler putty*1, non-adhesive decorative wrapping tape*1, flexible condensate drain hose*1, matching length interconnecting cable(27ft., 16/4)*1.
• •【Embossed Polyethylene Film】25FT 1/4 x 3/8 inch twin lineset with flared nuts features an embossed polyethylene film on the insulation layer that provides abrasion resistance and prevents moisture penetration. It also reduces friction and noise during operation.
• •【Thickened Copper Thickness】The wall thickness of 1/4 "and 3/8" copper tubes is 0.65mm, and the wall thickness of 1/2 "copper tubes is 0.7mm. Copper pipe meets ASTM B743 standard. Made of high-quality copper tubing with a fire retardant insulation layer that can withstand high pressure and temperature. It is ideal for AC line set and air conditioning tubing applications.
• •【External Layer】 This product has an external layer that is made of non-toxic, chemical resistant, and UV resistant material. It protects the copper tube from corrosion, weather, and rodents. It also adds a neat and professional look to your installation.
• •【Used in Air Conditioning】 Designed for mini split air conditioning systems that are used in home，office，shopping malls, restaurants, and other places. It ensures efficient cooling and heating performance.