Get a energy-efficient and eco-friendly solution to insulation with R-38 EcoBatt Kraft Faced Fiberglass Insulation Batt. With ECOSE Technology and UL Environment validation, it's formaldehyde-free and contains no harmful chemicals. Made with recycled glass, it's easy to install, durable, and tear-resistant. Enjoy year-round comfort with this Knauf Insulation batt.