Attributes . Duct Size . Values

1-7/8 in x 19 in (1)   10 (2)   10 in (10)   10 in x 8 in x 6 in (1)   11" x 15 3/4" to 12" Ro. (1)   12 (2)   12 in (9)   12 in x 8 in (1)   12' x 12' (2)   14 in (1)   14 in x 12 in (1)   16 in x 10 in (1)   18 in x 14 in (1)   18 in x 16 in (1)   19" x 17" to 14" Round (1)   19" x 17" to 16" Round (1)   24 in x 20 in (1)   3 (2)   3 1/4" x 10" (1)   3 1/4" x 12" (1)   3 in (17)   3 Inch (1)   3.25" x 10" (2)   30 in x 14 in (1)   4 (6)   4 in (11)   4 in x 7 in (1)   4 Inch (4)   4 Inch or 6 Inch Dia (3)   4.6 in. (2)   4/6 (1)   5 in (2)   6 in (20)   6 in x 7 in (1)   6 to 14 in (2)   7 (2)   8 in (12)   8 in x 4 in x 5 in (1)   8 in x 8 in (1)   9 in (1)   Duct Size (1)   N/A (1)   Round (5)