The F218 14 25 Silver Double Ply Black Poly R-8.0 from Mueller Streamline offers exceptional insulation capabilities. This product features a double ply design that enhances durability and thermal efficiency, boasting an impressive R-8.0 rating. Ideal for HVAC applications, it measures 14 inches in diameter, making it versatile for various installations. The black poly exterior provides added protection against weather elements, ensuring longevity and reliability. This insulation solution is lightweight, allowing for straightforward installation while maintaining high performance in energy conservation. Perfect for both residential and commercial use, it meets industry standards for quality and effectiveness.