Lennox 29P70 – K-Flex 6RX038058 Insulation Tube, 6' Length, 5/8" ID, 3/8" Wall Thickness, Black, 63/Carton

 

The Lennox 29P70 K-Flex 6RX038058 insulation tube provides reliable thermal protection for refrigeration and HVAC line sets, helping reduce energy loss and prevent condensation in residential and commercial systems. Manufactured using high-quality elastomeric foam, this 6-foot insulation tube delivers excellent flexibility, long-term durability, and resistance to moisture absorption. Designed with a 5/8 inch inner diameter and 3/8 inch wall thickness, it is suitable for protecting copper lines commonly used in air conditioning, heat pump, and refrigeration applications. Its closed-cell construction supports consistent thermal performance while meeting industry expectations for clean, professional installations.

This insulation tube is lightweight, easy to cut, and simple to install, making it a preferred choice for contractors and HVAC technicians. The carton contains 63 pieces, ideal for bulk installation projects or stocking service trucks.

 

Key Features

 

• 6-foot insulation tube made from flexible elastomeric foam
• 5/8 inch ID with 3/8 inch wall thickness for standard HVAC line sets
• Closed-cell structure helps prevent condensation and thermal loss
• Resistant to moisture, mold, and UV exposure for long-term performance
• Easy to cut and install for residential and commercial applications
• Packaged 63 tubes per carton for contractor-level inventory needs

 

Specifications

 

• Length: 6 ft per tube
• Inner diameter: 5/8 in
• Wall thickness: 3/8 in
• Material: Flexible elastomeric foam
• Color: Black
• Package quantity: 63 tubes per carton
• Application: Refrigeration, air conditioning, heat pump systems
• Temperature range: Typical elastomeric insulation rating suitable for HVAC line sets