Lennox 32P39 K-Flex 6RX038038 insulation tube is a high-quality closed-cell elastomeric foam insulation designed to improve thermal efficiency and protect piping in HVAC and refrigeration applications. Manufactured from NBR/PVC-based flexible foam, this insulation tube helps reduce heat loss, control condensation, and minimize energy waste in both residential and commercial systems.

This K-FLEX INSUL-TUBE product is environmentally friendly and free of CFCs, HFCs, HCFCs, PBDEs, formaldehyde, and fibers. An EPA-registered antimicrobial agent is integrated into the insulation to provide added resistance against mold, fungal, and bacterial growth, supporting long-term system cleanliness and durability. It is UL GREENGUARD Gold Certified for low VOC emissions, making it suitable for use in indoor air quality–sensitive environments. Key physical properties are Factory Mutual approved for dependable performance.

The insulation tube features a 6 ft length with a 3/8 inch inside diameter and 3/8 inch wall thickness, providing a secure fit over copper or steel piping commonly used in HVAC systems. Supplied in cartons of 102 pieces, Lennox 32P39 is ideal for contractors and large-scale installations requiring consistent insulation coverage and reliable material quality.

Lennox information
Brand: K-Flex
Catalog Number: 32P39
Model/Part Number: 6RX038038
Type: Insulation Tube
Insulation Material: Elastomeric Foam
Inside Diameter: 3/8 inch
Insulation Thickness: 3/8 inch
Product Length: 6 ft
Base Unit of Measure: Unit(s)
Gross Weight: 0.15 lb