| 27 x 14 x 9" | ECT-32 Single Wall Corrugated | 20/240 | $1.89 | $1.86 | $1.82 | $1.79 | $1.76 | |
| 27 x 27 x 27" | ECT-32 Single Wall Corrugated | 5/120 | 8.18 | 8.03 | 7.88 | 7.74 | 7.59 | |
| 28 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/625 | 1.63 | 1.60 | 1.58 | 1.55 | 1.52 | |
| 28 x 5 x 24" | FOL | 10/120 | 4.33 | 4.25 | 4.17 | 4.10 | 4.02 | |
| 28 x 5 x 38" | FOL | 20/120 | 6.08 | 5.98 | 5.87 | 5.76 | 5.65 | |
| 28 x 6 x 6" | ECT-32 Single Wall Corrugated | 20/240 | .97 | .95 | .94 | .92 | .90 | |
| 28 x 6 x 20" | ECT-44 Single Wall Corrugated | 5/120 | 6.96 | 6.84 | 6.72 | 6.59 | 6.47 | |
| 28 x 6 x 52" | FOL | 5/120 | 11.33 | 11.13 | 10.92 | 10.72 | 10.52 | |
| 28 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.28 | 1.25 | 1.23 | 1.21 | 1.18 | |
| 28 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/300 | 1.58 | 1.55 | 1.53 | 1.50 | 1.47 | |
| 28 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/300 | 1.42 | 1.40 | 1.37 | 1.35 | 1.32 | |
| 28 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/300 | 3.30 | 3.24 | 3.18 | 3.12 | 3.06 | |
| 28 x 12 x 12" | ECT-32 Single Wall Corrugated | 20/240 | 1.92 | 1.89 | 1.85 | 1.82 | 1.79 | |
| 28 x 14 x 14" | ECT-32 Single Wall Corrugated | 20/120 | 2.52 | 2.47 | 2.43 | 2.38 | 2.34 | |
| 28 x 16 x 5" | ECT-32 Single Wall Corrugated | 25/300 | 3.99 | 3.92 | 3.85 | 3.78 | 3.70 | |
| 28 x 16 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 1.98 | 1.95 | 1.91 | 1.88 | 1.84 | |
| 28 x 16 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 2.23 | 2.19 | 2.15 | 2.11 | 2.08 | |
| 28 x 16 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 3.25 | 3.19 | 3.14 | 3.08 | 3.02 | |
| 28 x 16 x 14" | ECT-32 Single Wall Corrugated | 15/120 | 3.69 | 3.62 | 3.56 | 3.49 | 3.43 | |
| 28 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 2.72 | 2.67 | 2.62 | 2.57 | 2.53 | |
| 28 x 18 x 6" | ECT-32 Single Wall Corrugated | 20/140 | 3.55 | 3.48 | 3.42 | 3.36 | 3.29 | |
| 28 x 18 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 4.20 | 4.12 | 4.05 | 3.97 | 3.90 | |
| 28 x 18 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 4.49 | 4.41 | 4.33 | 4.25 | 4.17 | |
| 28 x 18 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 2.74 | 2.69 | 2.64 | 2.60 | 2.55 | |
| 28 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/150 | 3.73 | 3.66 | 3.59 | 3.53 | 3.46 | |
| 28 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 10.66 | 10.47 | 10.28 | 10.09 | 9.90 | |
| 28 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.23 | 6.12 | 6.01 | 5.90 | 5.79 | |
| 28 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 3.05 | 2.99 | 2.94 | 2.88 | 2.83 | |
| 28 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 3.79 | 3.72 | 3.66 | 3.59 | 3.52 | |
| 28 x 20 x 24" | 22,20,18,16,14" | 10/120 | 4.83 | 4.75 | 4.66 | 4.57 | 4.49 | |
| 28 x 20 x 25" | ECT-32 Single Wall Corrugated | 10/120 | 4.26 | 4.18 | 4.11 | 4.03 | 3.96 | |
| 28 x 24 x 6" | ECT-32 Single Wall Corrugated | 10/240 | 3.09 | 3.04 | 2.98 | 2.93 | 2.87 | |
| 28 x 24 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 9.87 | 9.69 | 9.52 | 9.34 | 9.16 | |
| 28 x 28 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 4.52 | 4.44 | 4.36 | 4.28 | 4.20 | |
| 28 x 28 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 10.70 | 10.51 | 10.32 | 10.13 | 9.94 | |
| 28 x 28 x 10" | ECT-32 Single Wall Corrugated | 10/150 | 10.14 | 9.96 | 9.78 | 9.60 | 9.42 | |
| 28 x 28 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 4.75 | 4.67 | 4.58 | 4.50 | 4.41 | |
| 28 x 28 x 12" | ECT-48 Double Wall Corrugated | 10/90 | 19.27 | 18.93 | 18.58 | 18.24 | 17.89 | |
| 28 x 28 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 5.68 | 5.58 | 5.47 | 5.37 | 5.27 | |
| 28 x 28 x 22" | ECT-32 Single Wall Corrugated | 10/150 | 11.66 | 11.45 | 11.25 | 11.04 | 10.83 | |
| 28 x 28 x 28" | ECT-32 Single Wall Corrugated | 5/120 | 9.01 | 8.85 | 8.69 | 8.53 | 8.37 | |
| 28 x 28 x 28" | ECT-48 Double Wall Corrugated | 5/90 | 20.01 | 19.65 | 19.30 | 18.94 | 18.58 | |
| 29 x 17 x 3" | ECT-32 Single Wall Corrugated | 25/300 | 4.17 | 4.09 | 4.02 | 3.94 | 3.87 | |
| 29 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 2.04 | 2.00 | 1.97 | 1.93 | 1.89 | |
| 29 x 17 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 4.84 | 4.76 | 4.67 | 4.58 | 4.50 | |
| 29 x 17 x 9" | ECT-32 Single Wall Corrugated | 15/150 | 2.38 | 2.34 | 2.30 | 2.26 | 2.21 | |
| 29 x 17 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 3.73 | 3.66 | 3.59 | 3.53 | 3.46 | |
| 29 x 17 x 15" | ECT-32 Single Wall Corrugated | 15/150 | 2.94 | 2.89 | 2.84 | 2.78 | 2.73 | |
| 29 x 17 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 4.88 | 4.79 | 4.70 | 4.62 | 4.53 | |
| 29 x 24 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 12.58 | 12.36 | 12.13 | 11.91 | 11.69 | |
| 30 x 5 x 24" | FOL | 10/120 | 2.39 | 2.35 | 2.31 | 2.27 | 2.22 | |
| 30 x 5 x 30" | FOL | 10/120 | 2.81 | 2.76 | 2.71 | 2.66 | 2.61 | |
| 30 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/375 | .97 | .95 | .93 | .92 | .90 | |
| 30 x 6 x 24" | ECT-44 Corrugated | 10/140 | 7.96 | 7.82 | 7.68 | 7.53 | 7.39 | |
| 30 x 6 x 24" | Inside Telescopic HSC | 10/150 | 5.18 | 5.08 | 4.99 | 4.90 | 4.81 | |
| 30 x 6 x 30" | ECT-44 Corrugated | 10/120 | 9.62 | 9.45 | 9.28 | 9.11 | 8.94 | |
| 30 x 6 x 40" | ECT-44 Corrugated | 10/140 | 11.80 | 11.59 | 11.38 | 11.17 | 10.96 | |
| 30 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.29 | 1.27 | 1.24 | 1.22 | 1.20 | |
| 30 x 10 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 1.75 | 1.72 | 1.69 | 1.66 | 1.63 | |
| 30 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/375 | 3.16 | 3.11 | 3.05 | 2.99 | 2.94 | |
| 30 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 3.31 | 3.25 | 3.19 | 3.13 | 3.07 | |
| 30 x 12 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 2.13 | 2.09 | 2.05 | 2.02 | 1.98 | |
| 30 x 13 x 13" | ECT-32 Single Wall Corrugated | 20/240 | 4.62 | 4.54 | 4.46 | 4.38 | 4.29 | |
| 30 x 14 x 7" | ECT-32 Single Wall Corrugated | 10/120 | 2.37 | 2.33 | 2.29 | 2.25 | 2.20 | |
| 30 x 14 x 10" | ECT-32 Single Wall Corrugated | 10/120 | 2.74 | 2.69 | 2.64 | 2.59 | 2.54 | |
| 30 x 15 x 15" | ECT-32 Single Wall Corrugated | 15/120 | 2.99 | 2.94 | 2.88 | 2.83 | 2.78 | |
| 30 x 15 x 15" | ECT-48 Double Wall Corrugated | 10/90 | 9.57 | 9.40 | 9.23 | 9.05 | 8.88 | |
| 30 x 17 x 16" | ECT-32 Single Wall Corrugated | 15/150 | 3.10 | 3.04 | 2.99 | 2.93 | 2.88 | |
| 30 x 17 x 16" | 14,12,10" | 15/150 | 3.16 | 3.10 | 3.05 | 2.99 | 2.93 | |
| 30 x 17 x 17" | ECT-51 Double Wall Corrugated | 5/75 | 7.60 | 7.46 | 7.33 | 7.19 | 7.06 | |
| 30 x 18 x 16" | ECT-32 Corrugated | 15/150 | 6.98 | 6.85 | 6.73 | 6.60 | 6.48 | |
| 30 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/120 | 4.52 | 4.44 | 4.36 | 4.28 | 4.20 | |
| 30 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 12.09 | 11.88 | 11.66 | 11.45 | 11.23 | |
| 30 x 20 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 2.61 | 2.56 | 2.51 | 2.47 | 2.42 | |
| 30 x 20 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 5.54 | 5.45 | 5.35 | 5.25 | 5.15 | |
| 30 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 4.21 | 4.13 | 4.06 | 3.98 | 3.91 | |
| 30 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 3.17 | 3.11 | 3.06 | 3.00 | 2.94 | |
| 30 x 20 x 18" | ECT-32 Single Wall Corrugated | 15/150 | 7.69 | 7.55 | 7.41 | 7.27 | 7.14 | |
| 30 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 3.98 | 3.90 | 3.83 | 3.76 | 3.69 | |
| 30 x 20 x 20" | ECT-44 - 18,16,14,12" | 10/120 | 5.65 | 5.55 | 5.44 | 5.34 | 5.24 | |
| 30 x 20 x 20" | ECT-48 Double Wall Corrugated | 10/70 | 6.16 | 6.05 | 5.94 | 5.83 | 5.72 | |
| 30 x 24 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.12 | 6.01 | 5.90 | 5.79 | 5.68 | |
| 30 x 24 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 4.42 | 4.35 | 4.27 | 4.19 | 4.11 | |
| 30 x 24 x 12" | 10,8,6,4" | 15/120 | 6.84 | 6.72 | 6.59 | 6.47 | 6.35 | |
| 30 x 24 x 12" | ECT-48 Double Wall Corrugated | 10/70 | 5.99 | 5.89 | 5.78 | 5.67 | 5.56 | |
| 30 x 24 x 20" | ECT-32 Single Wall Corrugated | 15/150 | 8.21 | 8.06 | 7.91 | 7.77 | 7.62 | |
| 30 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 10.36 | 10.18 | 9.99 | 9.81 | 9.62 | |
| 30 x 26 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 10.10 | 9.92 | 9.74 | 9.56 | 9.38 | |
| 30 x 30 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 4.86 | 4.77 | 4.69 | 4.60 | 4.51 | |
| 30 x 30 x 8" | ECT-32 Single Wall Corrugated | 10/120 | 5.10 | 5.01 | 4.92 | 4.83 | 4.74 | |
| 30 x 30 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 7.12 | 6.99 | 6.86 | 6.74 | 6.61 | |
| 30 x 30 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 6.84 | 6.72 | 6.59 | 6.47 | 6.35 | |
| 30 x 30 x 12" | ECT-48 Double Wall Corrugated | 5/75 | 14.51 | 14.25 | 14.00 | 13.74 | 13.48 | |
| 30 x 30 x 16" | ECT-32 Single Wall Corrugated | 10/120 | 5.84 | 5.74 | 5.63 | 5.53 | 5.43 | |
| 30 x 30 x 16" | ECT-48 Double Wall Corrugated | 5/90 | 15.41 | 15.13 | 14.86 | 14.58 | 14.31 | |
| 30 x 30 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 9.31 | 9.15 | 8.98 | 8.81 | 8.65 | |
| 30 x 30 x 20" | ECT-48 Double Wall Corrugated | 5/90 | 17.36 | 17.05 | 16.74 | 16.43 | 16.12 | |
| 30 x 30 x 25" | ECT-32 Single Wall Corrugated | 5/120 | 8.77 | 8.61 | 8.45 | 8.30 | 8.14 | |
| 30 x 30 x 30" | ECT-32 Single Wall Corrugated | 5/120 | 10.47 | 10.29 | 10.10 | 9.91 | 9.73 | |
| 30 x 30 x 30" | ECT-48 Double Wall Corrugated | 5/75 | 17.26 | 16.95 | 16.65 | 16.34 | 16.03 | |
| 30 x 30 x 30" | ECT-90 Triple Wall Corrugated | 5/30 | 46.74 | 45.90 | 45.07 | 44.24 | 43.40 | |
| 30 1/2 x 6 1/2 x 24" | Outside Telescopic HSC | 10/150 | 5.41 | 5.32 | 5.22 | 5.12 | 5.03 | |
| 31 x 16 x 9" | ECT-32 Corrugated | 10/120 | 4.80 | 4.71 | 4.63 | 4.54 | 4.46 | |
| 32 x 6 x 6" | ECT-32 Corrugated | 25/375 | 1.05 | 1.03 | 1.02 | 1.00 | .98 | |
| 32 x 8 x 8" | ECT-32 Corrugated | 25/375 | 1.35 | 1.32 | 1.30 | 1.27 | 1.25 | |
| 32 x 10 x 6 1/2" | ECT-32 Corrugated | 20/240 | 2.87 | 2.82 | 2.77 | 2.72 | 2.67 | |
| 32 x 10 x 10" | ECT-32 Corrugated | 20/240 | 3.46 | 3.40 | 3.34 | 3.28 | 3.21 | |
| 32 x 12 x 10" | ECT-32 Corrugated | 20/240 | 2.54 | 2.50 | 2.45 | 2.41 | 2.36 | |
| 32 x 12 x 12" | ECT-32 Corrugated | 20/240 | 2.30 | 2.26 | 2.22 | 2.18 | 2.13 | |
| 32 x 16 x 16" | ECT-32 Corrugated | 15/150 | 6.37 | 6.25 | 6.14 | 6.03 | 5.91 | |
| 32 x 18 x 8" | ECT-32 Corrugated | 15/150 | 2.94 | 2.88 | 2.83 | 2.78 | 2.73 | |
| 32 x 18 x 12" | ECT-32 Corrugated | 15/150 | 4.18 | 4.11 | 4.03 | 3.96 | 3.88 | |
| 32 x 18 x 18" | ECT-32 Corrugated | 15/150 | 5.55 | 5.45 | 5.35 | 5.25 | 5.15 | |
| 32 x 24 x 24" | ECT-32 Corrugated | 15/150 | 9.50 | 9.33 | 9.16 | 8.99 | 8.82 | |
| 32 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 9.66 | 9.49 | 9.32 | 9.15 | 8.97 | |
| 32 x 24 x 24" | ECT-48 Double Wall Corrugated | 5/75 | 11.84 | 11.63 | 11.42 | 11.21 | 11.00 | |
| 32 x 32 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 12.97 | 12.73 | 12.50 | 12.27 | 12.04 | |
| 32 x 32 x 12" | ECT-32 Single Wall Corrugated | 10/150 | 10.58 | 10.39 | 10.20 | 10.01 | 9.83 | |
| 32 x 32 x 32" | ECT-32 Single Wall Corrugated | 5/120 | 11.31 | 11.11 | 10.90 | 10.70 | 10.50 | |
| 32 x 32 x 32" | ECT-48 Double Wall Corrugated | 5/90 | 13.30 | 13.06 | 12.82 | 12.59 | 12.35 | |
| 33 x 8 1/2 x 5" | ECT-32 Single Wall Corrugated | 25/375 | 2.22 | 2.18 | 2.14 | 2.10 | 2.07 | |
| 34 x 10 x 6" | ECT-32 Single Wall Corrugated | 10/300 | 1.97 | 1.94 | 1.90 | 1.87 | 1.83 | |
| 34 x 21 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 6.96 | 6.84 | 6.72 | 6.59 | 6.47 | |
| 34 x 34 x 34" | ECT-32 Single Wall Corrugated | 5/120 | 9.67 | 9.50 | 9.33 | 9.15 | 8.98 | |