AAF 118301 Air Filter, 30 in L, 18 in W

Designed for general air filtration applications with light to medium dust loading conditions, StrataDensity disposable panel filters are engineered for sturdy, economical performance and ease of use. Available in a wide range of sizes and two thickness configurations, StrataDensity filters are used in all types of HVAC systems to protect the coils from dirt. They are also used as prefilters to extend the life of higher efficiency filters.