Lennox Direct Replacement Media X0583 16x25x5 NEW MERV 11 (2) Pack Lennox Replacement Media Filter X0583F Size 16x25x5 (15 3/4x 24 3/4x4 3/8) NEW MERV 11 (5-1625-PR11) (AC1011) 2 Pack SpecialMagnet by FiltersUSA