The HVR400 Haven Repel System 4-Pack by Broan-Nu Tone is designed to enhance your home's air quality. This system effectively repels unwanted pests while ensuring a clean and comfortable environment. Each unit is crafted with durable materials, ensuring longevity and reliability. The compact design allows for easy installation in various settings, making it suitable for residential and commercial applications. With a focus on efficiency, the HVR400 operates quietly, providing a seamless experience without disturbing your daily activities. Ideal for use in kitchens, attics, and basements, this system meets industry standards for safety and performance.