24x30x1 (23.5 x 29.5) AccumulairA (R) Emerald 1-Inch Filter (APR 450)
AccumulairA (R) Emerald MERV 6 8 times more efficient than fiberglass filters Durable construction that will not warp or leak under normal operating conditions Excellent for high-velocity systems and maximum airflow Lasts up to three months