20" x 30" x 1" Air Filters

20" x 30" x 1" Merv 8 Air Filter

20" x 30" x 1" Merv 8 Air Filter

From $46.27

(4 Pack)

20" x 30" x 1" Merv 10 Air Filter

20" x 30" x 1" Merv 10 Air Filter

From $46.47

(4 Pack)

20" x 30" x 1" Merv 11 Air Filter

20" x 30" x 1" Merv 11 Air Filter

From $57.64

(4 Pack)

20" x 30" x 1" Merv 12 Air Filter

20" x 30" x 1" Merv 12 Air Filter

From $71.81

(4 Pack)

20" x 30" x 1" Merv 13 Air Filter

20" x 30" x 1" Merv 13 Air Filter

From $72.02

(4 Pack)

20" x 30" x 1" Carbon Air Filter

20" x 30" x 1" Carbon Air Filter

From $103.16

(4 Pack)