The SRV INSULATION END F/L100-L700 from BROAN-NU TONE LLC is a crucial component designed to enhance the efficiency of your ventilation system. This insulation end is specifically engineered for models F/L100 to F/L700, providing a secure and insulated connection that minimizes energy loss. Made from high-quality materials, it ensures durability and long-lasting performance. This insulation end is easy to install, making it a practical choice for both professional contractors and DIY enthusiasts. Improve the efficiency of your ventilation system with this essential insulation component.