AAF Flanders 4 Pack 16″ x 20″ x 1″ Nested Fiberglass MERV 1 Air Filter.
Type Nested Glass Air Filter. ⭐ Key Features. 4 x Air filters (16″ x 20″ x 1″). Standard 16″ x 20″ x 1″ size fits most HVAC units.
Type Nested Glass Air Filter. ⭐ Key Features. 4 x Air filters (16″ x 20″ x 1″). Standard 16″ x 20″ x 1″ size fits most HVAC units.