NaturalAire NaturalAire SM1006 Air Filter, 20 in L, 30 in W, 4 MERV, Synthetic Roll Frame $14.85EachChecking...Length: 20 InWidth: 30 InTypeCut-to-FitMERV Rating4Filter MediaResin +4 more Frame TypeSynthetic RollLength20 InWidth30 InThickness1 In
NaturalAire NaturalAire 84858.011616 Air Filter, 16 in L, 16 in W, 8 MERV, Cardboard Frame, Clay-Coated Frame (Pack of 12) $76.6812/PackChecking...Length: 16 InWidth: 16 InTypePleatedMERV Rating8Filter Efficiency75 % +6 more Filter MediaSyntheticFrame TypeClay-CoatedFrame MaterialCardboardLength16 InWidth16 InThickness1 In
NaturalAire NaturalAire 84858.012222 Air Filter, 22 in L, 22 in W, 8 MERV (Pack of 12) $115.8012/PackChecking...Length: 22 InWidth: 22 InTypeStandardMERV Rating8Filter MediaWire Backed +3 more Length22 InWidth22 InThickness1 In