The HPF52 Non-Ducted Filter Peripheral 2-Pack is designed for use with Broan-Nu Tone ventilation systems. These filters are essential for maintaining air quality by capturing grease and odors, ensuring a clean kitchen environment. Each filter is constructed from high-quality materials that provide excellent filtration performance. The non-ducted design allows for easy installation and replacement, making it a convenient choice for homeowners. With two filters included in the pack, you can ensure your ventilation system operates efficiently and effectively, prolonging its lifespan.