The SRV Filter Pack Economy HD is designed for Broan-Nu Tone ventilation systems, providing high-efficiency filtration for improved air quality. This filter pack features durable construction and is designed to capture a wide range of airborne particles. Its dimensions ensure a perfect fit for various Broan models, making installation straightforward. The filter pack meets industry standards for performance and safety, ensuring reliable operation in both residential and commercial settings. Upgrade your ventilation system with this essential filter pack for cleaner, healthier air.