J P LAMBORN PR25B-12 12 in. x 25 ft. R4.2 Black Polyester Flexible Air Duct

Product Description

The J P Lamborn PR25B-12 measures twelve inches by twenty-five feet. It is designed for use in air ducts where flexibility and thermal insulation are vital.

• Constructed with a spring steel wire helix for durability
• Encapsulated in a two-ply, airtight inner core
• Available in various R-values including R4.2, R6, and R8

Product Highlights

This flexible duct ensures efficient airflow while providing excellent thermal insulation.

Product Information

Standard Information

• Brand: J P Lamborn
• MPN: PR25B-12

Technical Specifications

• Dimensions: 12 inches x 25 feet
• Insulation Type: Fiberglass
• R-Value: R4.2
• Material: Black polyethylene vapor barrier
• Core Structure: Spring steel wire helix
• Inner Layer: Two-ply airtight core
• Vapor Barrier: Surrounds entire duct
• Available R-Values: R4.2, R6, R8