| 27 x 14 x 9" | ECT-32 Single Wall Corrugated | 20/240 | $2.00 | $1.94 | $1.89 | $1.84 | $1.78 | |
| 27 x 27 x 27" | ECT-32 Single Wall Corrugated | 5/120 | 7.06 | 6.87 | 6.68 | 6.49 | 6.30 | |
| 28 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/625 | 1.38 | 1.35 | 1.31 | 1.27 | 1.23 | |
| 28 x 5 x 24" | FOL | 10/120 | 3.46 | 3.36 | 3.27 | 3.18 | 3.08 | |
| 28 x 5 x 38" | FOL | 20/120 | 5.12 | 4.98 | 4.84 | 4.70 | 4.56 | |
| 28 x 6 x 6" | ECT-32 Single Wall Corrugated | 20/240 | 1.46 | 1.42 | 1.38 | 1.34 | 1.30 | |
| 28 x 6 x 20" | ECT-44 Single Wall Corrugated | 5/120 | 5.86 | 5.70 | 5.54 | 5.38 | 5.22 | |
| 28 x 6 x 52" | FOL | 5/120 | 9.52 | 9.27 | 9.01 | 8.75 | 8.49 | |
| 28 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.24 | 1.21 | 1.18 | 1.14 | 1.11 | |
| 28 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/300 | 1.64 | 1.59 | 1.55 | 1.51 | 1.46 | |
| 28 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/300 | 1.50 | 1.46 | 1.42 | 1.38 | 1.34 | |
| 28 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/300 | 2.77 | 2.70 | 2.62 | 2.55 | 2.47 | |
| 28 x 12 x 12" | ECT-32 Single Wall Corrugated | 20/240 | 2.05 | 1.99 | 1.94 | 1.88 | 1.83 | |
| 28 x 14 x 14" | ECT-32 Single Wall Corrugated | 20/120 | 2.52 | 2.46 | 2.39 | 2.32 | 2.25 | |
| 28 x 16 x 5" | ECT-32 Single Wall Corrugated | 25/300 | 3.38 | 3.29 | 3.20 | 3.10 | 3.01 | |
| 28 x 16 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 2.13 | 2.07 | 2.01 | 1.95 | 1.90 | |
| 28 x 16 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 2.40 | 2.34 | 2.27 | 2.21 | 2.14 | |
| 28 x 16 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 2.57 | 2.50 | 2.43 | 2.36 | 2.29 | |
| 28 x 16 x 14" | ECT-32 Single Wall Corrugated | 15/120 | 2.83 | 2.75 | 2.68 | 2.60 | 2.52 | |
| 28 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 2.11 | 2.05 | 1.99 | 1.94 | 1.88 | |
| 28 x 18 x 6" | ECT-32 Single Wall Corrugated | 20/140 | 4.38 | 4.26 | 4.14 | 4.03 | 3.91 | |
| 28 x 18 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 3.64 | 3.54 | 3.44 | 3.34 | 3.25 | |
| 28 x 18 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 3.74 | 3.64 | 3.54 | 3.44 | 3.34 | |
| 28 x 18 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 2.92 | 2.84 | 2.76 | 2.68 | 2.60 | |
| 28 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/150 | 3.49 | 3.39 | 3.30 | 3.21 | 3.11 | |
| 28 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 8.65 | 8.42 | 8.19 | 7.95 | 7.72 | |
| 28 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.28 | 5.13 | 4.99 | 4.85 | 4.71 | |
| 28 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 3.23 | 3.14 | 3.06 | 2.97 | 2.88 | |
| 28 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 4.00 | 3.90 | 3.79 | 3.68 | 3.57 | |
| 28 x 20 x 24" | 22,20,18,16,14" | 10/120 | 5.26 | 5.12 | 4.98 | 4.84 | 4.69 | |
| 28 x 20 x 25" | ECT-32 Single Wall Corrugated | 10/120 | 4.52 | 4.39 | 4.27 | 4.15 | 4.03 | |
| 28 x 24 x 6" | ECT-32 Single Wall Corrugated | 10/240 | 3.34 | 3.25 | 3.16 | 3.07 | 2.98 | |
| 28 x 24 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 8.95 | 8.71 | 8.47 | 8.23 | 7.98 | |
| 28 x 28 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 4.63 | 4.51 | 4.38 | 4.26 | 4.13 | |
| 28 x 28 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 7.87 | 7.66 | 7.45 | 7.24 | 7.02 | |
| 28 x 28 x 10" | ECT-32 Single Wall Corrugated | 10/150 | 8.31 | 8.08 | 7.86 | 7.63 | 7.41 | |
| 28 x 28 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 5.95 | 5.79 | 5.63 | 5.47 | 5.31 | |
| 28 x 28 x 12" | ECT-48 Double Wall Corrugated | 10/90 | 13.74 | 13.37 | 13.00 | 12.63 | 12.26 | |
| 28 x 28 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 6.00 | 5.84 | 5.68 | 5.52 | 5.35 | |
| 28 x 28 x 22" | ECT-32 Single Wall Corrugated | 10/150 | 10.89 | 10.60 | 10.31 | 10.01 | 9.72 | |
| 28 x 28 x 28" | ECT-32 Single Wall Corrugated | 5/120 | 6.97 | 6.78 | 6.59 | 6.41 | 6.22 | |
| 28 x 28 x 28" | ECT-48 Double Wall Corrugated | 5/90 | 16.82 | 16.37 | 15.91 | 15.46 | 15.00 | |
| 29 x 17 x 3" | ECT-32 Single Wall Corrugated | 25/300 | 3.79 | 3.69 | 3.59 | 3.49 | 3.38 | |
| 29 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 2.18 | 2.12 | 2.06 | 2.00 | 1.94 | |
| 29 x 17 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 4.38 | 4.26 | 4.14 | 4.03 | 3.91 | |
| 29 x 17 x 9" | ECT-32 Single Wall Corrugated | 15/150 | 2.53 | 2.46 | 2.39 | 2.32 | 2.25 | |
| 29 x 17 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 2.82 | 2.75 | 2.67 | 2.59 | 2.52 | |
| 29 x 17 x 15" | ECT-32 Single Wall Corrugated | 15/150 | 3.13 | 3.05 | 2.96 | 2.88 | 2.79 | |
| 29 x 17 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 3.61 | 3.51 | 3.42 | 3.32 | 3.22 | |
| 29 x 24 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 10.35 | 10.07 | 9.79 | 9.51 | 9.23 | |
| 30 x 5 x 24" | FOL | 10/120 | 2.62 | 2.55 | 2.48 | 2.41 | 2.34 | |
| 30 x 5 x 30" | FOL | 10/120 | 3.00 | 2.92 | 2.84 | 2.76 | 2.68 | |
| 30 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/375 | 1.09 | 1.06 | 1.03 | 1.00 | .97 | |
| 30 x 6 x 24" | ECT-44 Corrugated | 10/140 | 6.74 | 6.56 | 6.38 | 6.19 | 6.01 | |
| 30 x 6 x 24" | Inside Telescopic HSC | 10/150 | 4.18 | 4.07 | 3.95 | 3.84 | 3.73 | |
| 30 x 6 x 30" | ECT-44 Corrugated | 10/120 | 8.09 | 7.87 | 7.65 | 7.44 | 7.22 | |
| 30 x 6 x 40" | ECT-44 Corrugated | 10/140 | 10.00 | 9.73 | 9.46 | 9.19 | 8.92 | |
| 30 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.41 | 1.37 | 1.33 | 1.29 | 1.25 | |
| 30 x 10 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 1.73 | 1.68 | 1.64 | 1.59 | 1.54 | |
| 30 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/375 | 2.68 | 2.61 | 2.54 | 2.46 | 2.39 | |
| 30 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 2.78 | 2.71 | 2.63 | 2.56 | 2.48 | |
| 30 x 12 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 2.17 | 2.11 | 2.06 | 2.00 | 1.94 | |
| 30 x 13 x 13" | ECT-32 Single Wall Corrugated | 20/240 | 3.84 | 3.74 | 3.64 | 3.53 | 3.43 | |
| 30 x 14 x 7" | ECT-32 Single Wall Corrugated | 10/120 | 1.98 | 1.93 | 1.87 | 1.82 | 1.76 | |
| 30 x 14 x 10" | ECT-32 Single Wall Corrugated | 10/120 | 2.26 | 2.20 | 2.13 | 2.07 | 2.01 | |
| 30 x 15 x 15" | ECT-32 Single Wall Corrugated | 15/120 | 2.88 | 2.80 | 2.72 | 2.64 | 2.57 | |
| 30 x 15 x 15" | ECT-48 Double Wall Corrugated | 10/90 | 8.04 | 7.83 | 7.61 | 7.39 | 7.17 | |
| 30 x 17 x 16" | ECT-32 Single Wall Corrugated | 15/150 | 3.27 | 3.18 | 3.09 | 3.01 | 2.92 | |
| 30 x 17 x 16" | 14,12,10" | 15/150 | 3.31 | 3.22 | 3.13 | 3.04 | 2.95 | |
| 30 x 17 x 17" | ECT-51 Double Wall Corrugated | 5/75 | 5.88 | 5.72 | 5.57 | 5.41 | 5.25 | |
| 30 x 18 x 16" | ECT-32 Corrugated | 15/150 | 5.57 | 5.41 | 5.26 | 5.11 | 4.96 | |
| 30 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/120 | 3.68 | 3.58 | 3.48 | 3.38 | 3.28 | |
| 30 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 10.17 | 9.89 | 9.62 | 9.34 | 9.07 | |
| 30 x 20 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 2.75 | 2.68 | 2.60 | 2.53 | 2.45 | |
| 30 x 20 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 4.79 | 4.66 | 4.53 | 4.40 | 4.27 | |
| 30 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 3.15 | 3.06 | 2.98 | 2.89 | 2.81 | |
| 30 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 3.42 | 3.33 | 3.24 | 3.15 | 3.05 | |
| 30 x 20 x 18" | ECT-32 Single Wall Corrugated | 15/150 | 6.46 | 6.29 | 6.11 | 5.94 | 5.76 | |
| 30 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 4.25 | 4.13 | 4.02 | 3.90 | 3.79 | |
| 30 x 20 x 20" | ECT-44 - 18,16,14,12" | 10/120 | 5.96 | 5.80 | 5.64 | 5.48 | 5.32 | |
| 30 x 20 x 20" | ECT-48 Double Wall Corrugated | 10/70 | 6.64 | 6.46 | 6.28 | 6.11 | 5.93 | |
| 30 x 24 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 4.68 | 4.55 | 4.43 | 4.30 | 4.17 | |
| 30 x 24 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 4.30 | 4.18 | 4.07 | 3.95 | 3.83 | |
| 30 x 24 x 12" | 10,8,6,4" | 15/120 | 5.63 | 5.48 | 5.33 | 5.17 | 5.02 | |
| 30 x 24 x 12" | ECT-48 Double Wall Corrugated | 10/70 | 6.46 | 6.29 | 6.11 | 5.94 | 5.76 | |
| 30 x 24 x 20" | ECT-32 Single Wall Corrugated | 15/150 | 6.95 | 6.76 | 6.57 | 6.39 | 6.20 | |
| 30 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 7.98 | 7.76 | 7.55 | 7.33 | 7.12 | |
| 30 x 26 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 10.92 | 10.63 | 10.33 | 10.04 | 9.74 | |
| 30 x 30 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 5.85 | 5.69 | 5.54 | 5.38 | 5.22 | |
| 30 x 30 x 8" | ECT-32 Single Wall Corrugated | 10/120 | 5.12 | 4.98 | 4.84 | 4.70 | 4.56 | |
| 30 x 30 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.61 | 6.44 | 6.26 | 6.08 | 5.90 | |
| 30 x 30 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 8.23 | 8.00 | 7.78 | 7.56 | 7.34 | |
| 30 x 30 x 12" | ECT-48 Double Wall Corrugated | 5/75 | 12.20 | 11.87 | 11.54 | 11.21 | 10.88 | |
| 30 x 30 x 16" | ECT-32 Single Wall Corrugated | 10/120 | 6.18 | 6.01 | 5.84 | 5.68 | 5.51 | |
| 30 x 30 x 16" | ECT-48 Double Wall Corrugated | 5/90 | 12.95 | 12.60 | 12.25 | 11.90 | 11.55 | |
| 30 x 30 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 11.66 | 11.34 | 11.03 | 10.71 | 10.40 | |
| 30 x 30 x 20" | ECT-48 Double Wall Corrugated | 5/90 | 14.06 | 13.68 | 13.30 | 12.92 | 12.54 | |
| 30 x 30 x 25" | ECT-32 Single Wall Corrugated | 5/120 | 7.32 | 7.12 | 6.92 | 6.73 | 6.53 | |
| 30 x 30 x 30" | ECT-32 Single Wall Corrugated | 5/120 | 8.02 | 7.80 | 7.58 | 7.37 | 7.15 | |
| 30 x 30 x 30" | ECT-48 Double Wall Corrugated | 5/75 | 12.40 | 12.07 | 11.73 | 11.40 | 11.06 | |
| 30 x 30 x 30" | ECT-90 Triple Wall Corrugated | 5/30 | 57.92 | 56.36 | 54.79 | 53.23 | 51.66 | |
| 30 1/2 x 6 1/2 x 24" | Outside Telescopic HSC | 10/150 | 4.37 | 4.25 | 4.13 | 4.02 | 3.90 | |
| 31 x 16 x 9" | ECT-32 Corrugated | 10/120 | 4.03 | 3.93 | 3.82 | 3.71 | 3.60 | |
| 32 x 6 x 6" | ECT-32 Corrugated | 25/375 | 1.15 | 1.11 | 1.08 | 1.05 | 1.02 | |
| 32 x 8 x 8" | ECT-32 Corrugated | 25/375 | 1.66 | 1.61 | 1.57 | 1.52 | 1.48 | |
| 32 x 10 x 6 1/2" | ECT-32 Corrugated | 20/240 | 2.42 | 2.35 | 2.28 | 2.22 | 2.15 | |
| 32 x 10 x 10" | ECT-32 Corrugated | 20/240 | 2.91 | 2.83 | 2.75 | 2.67 | 2.59 | |
| 32 x 12 x 10" | ECT-32 Corrugated | 20/240 | 2.14 | 2.08 | 2.02 | 1.96 | 1.91 | |
| 32 x 12 x 12" | ECT-32 Corrugated | 20/240 | 2.26 | 2.20 | 2.14 | 2.08 | 2.02 | |
| 32 x 16 x 16" | ECT-32 Corrugated | 15/150 | 5.24 | 5.10 | 4.96 | 4.82 | 4.68 | |
| 32 x 18 x 8" | ECT-32 Corrugated | 15/150 | 2.92 | 2.84 | 2.76 | 2.68 | 2.60 | |
| 32 x 18 x 12" | ECT-32 Corrugated | 15/150 | 3.19 | 3.10 | 3.01 | 2.93 | 2.84 | |
| 32 x 18 x 18" | ECT-32 Corrugated | 15/150 | 4.67 | 4.54 | 4.41 | 4.29 | 4.16 | |
| 32 x 24 x 24" | ECT-32 Corrugated | 15/150 | 8.04 | 7.83 | 7.61 | 7.39 | 7.17 | |
| 32 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 8.27 | 8.05 | 7.82 | 7.60 | 7.38 | |
| 32 x 24 x 24" | ECT-48 Double Wall Corrugated | 5/75 | 9.96 | 9.69 | 9.42 | 9.15 | 8.88 | |
| 32 x 32 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 10.69 | 10.40 | 10.11 | 9.82 | 9.53 | |
| 32 x 32 x 12" | ECT-32 Single Wall Corrugated | 10/150 | 8.90 | 8.66 | 8.42 | 8.17 | 7.93 | |
| 32 x 32 x 32" | ECT-32 Single Wall Corrugated | 5/120 | 9.06 | 8.82 | 8.57 | 8.33 | 8.08 | |
| 32 x 32 x 32" | ECT-48 Double Wall Corrugated | 5/90 | 15.10 | 14.69 | 14.28 | 13.87 | 13.46 | |
| 33 x 8 1/2 x 5" | ECT-32 Single Wall Corrugated | 25/375 | 1.78 | 1.73 | 1.68 | 1.63 | 1.59 | |
| 34 x 10 x 6" | ECT-32 Single Wall Corrugated | 10/300 | 1.59 | 1.55 | 1.51 | 1.46 | 1.42 | |
| 34 x 21 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 5.86 | 5.70 | 5.54 | 5.38 | 5.22 | |
| 34 x 34 x 34" | ECT-32 Single Wall Corrugated | 5/120 | 10.21 | 9.94 | 9.66 | 9.38 | 9.11 | |