The SRV ASSY FILTER SPRING is a crucial component designed for 4-inch ventilation systems. Manufactured by BROAN-NU TONE LLC, this filter spring ensures optimal performance and longevity of your air filtration system. It is constructed from durable materials to withstand regular use and maintain its shape over time. This part is essential for maintaining the efficiency of your ventilation setup, ensuring that air flows freely while trapping dust and debris. Ideal for use in residential and commercial applications, this filter spring is compatible with various BROAN models, making it a versatile choice for your air quality needs.