Product details:

DB-20-16 Original SKUTTLE Filter Merv 8 Part #448-4 and Merv 11 Part #448-8. Nominal size 16 x 20 x 5. Actual size(H) 15 3/4 x (W) 20 3/4 x (D) 4 7/8. High-efficiency, high-capacity filtration with minimal airflow resistance for longer furnlife. Replevery 12 months Features: Nominal size 16 x 20 x 5. Actual size (H) 15 3/4 x (W) 20 3/4 x (D) 4 7/8. DB-20-16 SKUTTLE filter part # 448-4 Replevery 12 months