Lennox FiltersFast Compatible with Replacement 20" x 20" x 5" (Actual Size: 19 3/4" x 19 7/8" x 4 3/8") Filter 2-Pack MERV 8

Brand: Filters Fast® Part Number: FFC20205X0585M8 Pack Size: 2 MERV Rating: 8 Dimensions: 20" x 20" x 5" Actual Dimensions: 19 3/4" x 19 7/8" x 4 3/8" Filter Life: 12 months - depending on air quality and usage Reduces airborne contaminants for cleaner air