20" x 20" x 1" Air Filters

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

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

From $31.85

(4 Pack)

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

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

From $32.05

(4 Pack)

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

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

From $46.31

(4 Pack)

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

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

From $54.34

(4 Pack)

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

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

From $54.55

(4 Pack)

20" x 20" x 1" Carbon Air Filter

20" x 20" x 1" Carbon Air Filter

From $65.14

(4 Pack)