19 X 19 3/8 X 36 R6 PLENUM BOXED

19X193/8X36R

19 X 15 7/8 X36 R6 PLENUM BOXED

19X157/8X36R

16X25X24 R6 PLENUM BOXED

16X25X24R

23X21X36 R6 PLENUM W 1/2 FLG BOXED

23X21X36RF1/2

16X20X24 R6 PLENUM BOXED

16X20X24R

19 X 15 7/8 X 36 R8 PLENUM BOXED

19X157/8X36R8

20X25X36 R6 PLENUM W 1/2 FLG BOXED

20X25X36RF1/2

34X21X36 R6 PLENUM

34X21X36R

20X25X24 R6 PLENUM BOXED

20X25X24R

19 X 22 7/8 X 36 R6 PLENUM BOXED

19X227/8X36R

19 X 19 3/8 X 36 R8 PLENUM BOXED

19X193/8X36R8

19 X 12 5/8 X 36 R6 PLENUM BOXED

19X125/8X36R

DP W/FEMALE NIPPLE ON LONG SIDE

32X78X2 DRAIN PAN

DRAIN PAN W/NIPPLE ON LONG SIDE

30X42X2

19 X 22 7/8 X 36 R8 PLENUM BOXED

19X227/8X36R8