Lennox 20x20x5 Comp MERV13 Air Filter 2-Pack

Specifications: Brand: Filters Fast® Part Number: FFC20205X0585M13 Replaces Part Numbers: dlx13.052020pff, dlx13.0520202pff Pack Size: 2 MERV Rating: 13 Dimensions: 20" x 20" x 5" Actual Dimensions: 19-5/8"x19-7/8"x4-1/4" Filter Life: 12 months - depending on air quality and usage