| 27 x 14 x 9" | ECT-32 Single Wall Corrugated | 20/240 | $3.38 | $3.28 | $3.28 | $3.08 | $3.08 | |
| 27 x 27 x 27" | ECT-32 Single Wall Corrugated | 5/120 | 10.94 | 10.62 | 10.62 | 9.98 | 9.98 | |
| 28 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/625 | 2.20 | 2.14 | 2.14 | 2.01 | 2.01 | |
| 28 x 5 x 24" | FOL | 10/120 | 5.79 | 5.62 | 5.62 | 5.28 | 5.28 | |
| 28 x 5 x 38" | FOL | 20/120 | 8.14 | 7.91 | 7.91 | 7.43 | 7.43 | |
| 28 x 6 x 6" | ECT-32 Single Wall Corrugated | 20/240 | 1.74 | 1.69 | 1.69 | 1.59 | 1.59 | |
| 28 x 6 x 20" | ECT-44 Single Wall Corrugated | 5/120 | 10.15 | 9.85 | 9.85 | 9.26 | 9.26 | |
| 28 x 6 x 52" | FOL | 5/120 | 15.16 | 14.72 | 14.72 | 13.83 | 13.83 | |
| 28 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 2.01 | 1.95 | 1.95 | 1.83 | 1.83 | |
| 28 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/300 | 2.89 | 2.80 | 2.80 | 2.63 | 2.63 | |
| 28 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/300 | 2.56 | 2.48 | 2.48 | 2.33 | 2.33 | |
| 28 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/300 | 4.42 | 4.29 | 4.29 | 4.03 | 4.03 | |
| 28 x 12 x 12" | ECT-32 Single Wall Corrugated | 20/240 | 3.33 | 3.23 | 3.23 | 3.03 | 3.03 | |
| 28 x 14 x 14" | ECT-32 Single Wall Corrugated | 20/120 | 4.22 | 4.09 | 4.09 | 3.84 | 3.84 | |
| 28 x 16 x 5" | ECT-32 Single Wall Corrugated | 25/300 | 5.38 | 5.22 | 5.22 | 4.90 | 4.90 | |
| 28 x 16 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 3.71 | 3.60 | 3.60 | 3.38 | 3.38 | |
| 28 x 16 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 4.03 | 3.92 | 3.92 | 3.68 | 3.68 | |
| 28 x 16 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 4.35 | 4.22 | 4.22 | 3.97 | 3.97 | |
| 28 x 16 x 14" | ECT-32 Single Wall Corrugated | 15/120 | 4.94 | 4.79 | 4.79 | 4.50 | 4.50 | |
| 28 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 3.44 | 3.34 | 3.34 | 3.14 | 3.14 | |
| 28 x 18 x 6" | ECT-32 Single Wall Corrugated | 20/140 | 6.81 | 6.61 | 6.61 | 6.21 | 6.21 | |
| 28 x 18 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 5.62 | 5.45 | 5.45 | 5.12 | 5.12 | |
| 28 x 18 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.01 | 5.83 | 5.83 | 5.48 | 5.48 | |
| 28 x 18 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 4.68 | 4.54 | 4.54 | 4.27 | 4.27 | |
| 28 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/150 | 5.11 | 4.96 | 4.96 | 4.66 | 4.66 | |
| 28 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 14.27 | 13.85 | 13.85 | 13.01 | 13.01 | |
| 28 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 7.49 | 7.27 | 7.27 | 6.83 | 6.83 | |
| 28 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 5.28 | 5.13 | 5.13 | 4.82 | 4.82 | |
| 28 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 6.31 | 6.13 | 6.13 | 5.75 | 5.75 | |
| 28 x 20 x 24" | 22,20,18,16,14" | 10/120 | 11.61 | 11.27 | 11.27 | 10.59 | 10.59 | |
| 28 x 20 x 25" | ECT-32 Single Wall Corrugated | 10/120 | 7.94 | 7.70 | 7.70 | 7.24 | 7.24 | |
| 28 x 24 x 6" | ECT-32 Single Wall Corrugated | 10/240 | 5.58 | 5.42 | 5.42 | 5.09 | 5.09 | |
| 28 x 24 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 14.25 | 13.83 | 13.83 | 13.00 | 13.00 | |
| 28 x 28 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 7.28 | 7.06 | 7.06 | 6.64 | 6.64 | |
| 28 x 28 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 14.19 | 13.77 | 13.77 | 12.94 | 12.94 | |
| 28 x 28 x 10" | ECT-32 Single Wall Corrugated | 10/150 | 13.58 | 13.18 | 13.18 | 12.38 | 12.38 | |
| 28 x 28 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 8.17 | 7.93 | 7.93 | 7.45 | 7.45 | |
| 28 x 28 x 12" | ECT-48 Double Wall Corrugated | 10/90 | 25.80 | 25.04 | 25.04 | 23.52 | 23.52 | |
| 28 x 28 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 10.20 | 9.90 | 9.90 | 9.30 | 9.30 | |
| 28 x 28 x 22" | ECT-32 Single Wall Corrugated | 10/150 | 15.46 | 15.01 | 15.01 | 14.10 | 14.10 | |
| 28 x 28 x 28" | ECT-32 Single Wall Corrugated | 5/120 | 11.80 | 11.46 | 11.46 | 10.76 | 10.76 | |
| 28 x 28 x 28" | ECT-48 Double Wall Corrugated | 5/90 | 26.79 | 26.00 | 26.00 | 24.42 | 24.42 | |
| 29 x 17 x 3" | ECT-32 Single Wall Corrugated | 25/300 | 5.58 | 5.41 | 5.41 | 5.08 | 5.08 | |
| 29 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 3.69 | 3.59 | 3.59 | 3.37 | 3.37 | |
| 29 x 17 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 6.42 | 6.23 | 6.23 | 5.85 | 5.85 | |
| 29 x 17 x 9" | ECT-32 Single Wall Corrugated | 15/150 | 4.20 | 4.07 | 4.07 | 3.83 | 3.83 | |
| 29 x 17 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.96 | 4.82 | 4.82 | 4.53 | 4.53 | |
| 29 x 17 x 15" | ECT-32 Single Wall Corrugated | 15/150 | 5.31 | 5.15 | 5.15 | 4.84 | 4.84 | |
| 29 x 17 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 6.53 | 6.34 | 6.34 | 5.95 | 5.95 | |
| 29 x 24 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 16.85 | 16.35 | 16.35 | 15.36 | 15.36 | |
| 30 x 5 x 24" | FOL | 10/120 | 4.30 | 4.17 | 4.17 | 3.92 | 3.92 | |
| 30 x 5 x 30" | FOL | 10/120 | 5.09 | 4.94 | 4.94 | 4.64 | 4.64 | |
| 30 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/375 | 1.81 | 1.76 | 1.76 | 1.65 | 1.65 | |
| 30 x 6 x 24" | ECT-44 Corrugated | 10/140 | 11.02 | 10.70 | 10.70 | 10.05 | 10.05 | |
| 30 x 6 x 30" | ECT-44 Corrugated | 10/120 | 12.88 | 12.50 | 12.50 | 11.75 | 11.75 | |
| 30 x 6 x 40" | ECT-44 Corrugated | 10/140 | 15.92 | 15.45 | 15.45 | 14.51 | 14.51 | |
| 30 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 2.24 | 2.17 | 2.17 | 2.04 | 2.04 | |
| 30 x 10 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 2.75 | 2.67 | 2.67 | 2.51 | 2.51 | |
| 30 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/375 | 4.35 | 4.22 | 4.22 | 3.97 | 3.97 | |
| 30 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 4.43 | 4.30 | 4.30 | 4.04 | 4.04 | |
| 30 x 12 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 3.46 | 3.36 | 3.36 | 3.16 | 3.16 | |
| 30 x 13 x 13" | ECT-32 Single Wall Corrugated | 20/240 | 6.19 | 6.01 | 6.01 | 5.64 | 5.64 | |
| 30 x 14 x 7" | ECT-32 Single Wall Corrugated | 10/120 | 3.18 | 3.08 | 3.08 | 2.90 | 2.90 | |
| 30 x 14 x 10" | ECT-32 Single Wall Corrugated | 10/120 | 3.66 | 3.56 | 3.56 | 3.34 | 3.34 | |
| 30 x 15 x 15" | ECT-32 Single Wall Corrugated | 15/120 | 4.80 | 4.65 | 4.65 | 4.37 | 4.37 | |
| 30 x 15 x 15" | ECT-48 Double Wall Corrugated | 10/90 | 12.81 | 12.43 | 12.43 | 11.68 | 11.68 | |
| 30 x 17 x 16" | ECT-32 Single Wall Corrugated | 15/150 | 5.20 | 5.05 | 5.05 | 4.74 | 4.74 | |
| 30 x 17 x 16" | 14,12,10" | 15/150 | 5.83 | 5.66 | 5.66 | 5.32 | 5.32 | |
| 30 x 17 x 17" | ECT-51 Double Wall Corrugated | 5/75 | 9.89 | 9.59 | 9.59 | 9.01 | 9.01 | |
| 30 x 18 x 16" | ECT-32 Corrugated | 15/150 | 9.25 | 8.98 | 8.98 | 8.43 | 8.43 | |
| 30 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/120 | 6.05 | 5.87 | 5.87 | 5.51 | 5.51 | |
| 30 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 9.07 | 9.05 | 9.03 | 9.01 | 8.97 | |
| 30 x 20 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 4.38 | 4.25 | 4.25 | 3.99 | 3.99 | |
| 30 x 20 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 6.96 | 6.75 | 6.75 | 6.34 | 6.34 | |
| 30 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.28 | 5.12 | 5.12 | 4.81 | 4.81 | |
| 30 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 5.81 | 5.64 | 5.64 | 5.30 | 5.30 | |
| 30 x 20 x 18" | ECT-32 Single Wall Corrugated | 15/150 | 10.29 | 9.99 | 9.99 | 9.38 | 9.38 | |
| 30 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 6.97 | 6.77 | 6.77 | 6.36 | 6.36 | |
| 30 x 20 x 20" | ECT-44 - 18,16,14,12" | 10/120 | 9.45 | 9.17 | 9.17 | 8.62 | 8.62 | |
| 30 x 20 x 20" | ECT-48 Double Wall Corrugated | 10/70 | 12.74 | 12.36 | 12.36 | 11.62 | 11.62 | |
| 30 x 24 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 8.02 | 7.78 | 7.78 | 7.31 | 7.31 | |
| 30 x 24 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 7.34 | 7.13 | 7.13 | 6.69 | 6.69 | |
| 30 x 24 x 12" | 10,8,6,4" | 15/120 | 9.15 | 8.88 | 8.88 | 8.35 | 8.35 | |
| 30 x 24 x 12" | ECT-48 Double Wall Corrugated | 10/70 | 11.75 | 11.40 | 11.40 | 10.71 | 10.71 | |
| 30 x 24 x 20" | ECT-32 Single Wall Corrugated | 15/150 | 11.24 | 10.91 | 10.91 | 10.25 | 10.25 | |
| 30 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 14.52 | 14.10 | 14.10 | 13.24 | 13.24 | |
| 30 x 26 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 13.52 | 13.12 | 13.12 | 12.33 | 12.33 | |
| 30 x 30 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 9.32 | 9.04 | 9.04 | 8.50 | 8.50 | |
| 30 x 30 x 8" | ECT-32 Single Wall Corrugated | 10/120 | 8.25 | 8.01 | 8.01 | 7.53 | 7.53 | |
| 30 x 30 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 9.25 | 8.97 | 8.97 | 8.43 | 8.43 | |
| 30 x 30 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 11.05 | 10.73 | 10.73 | 10.08 | 10.08 | |
| 30 x 30 x 12" | ECT-48 Double Wall Corrugated | 5/75 | 19.43 | 18.86 | 18.86 | 17.71 | 17.71 | |
| 30 x 30 x 16" | ECT-32 Single Wall Corrugated | 10/120 | 9.78 | 9.49 | 9.49 | 8.92 | 8.92 | |
| 30 x 30 x 16" | ECT-48 Double Wall Corrugated | 5/90 | 20.62 | 20.02 | 20.02 | 18.80 | 18.80 | |
| 30 x 30 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 18.22 | 17.68 | 17.68 | 16.61 | 16.61 | |
| 30 x 30 x 20" | ECT-48 Double Wall Corrugated | 5/90 | 23.24 | 22.56 | 22.56 | 21.19 | 21.19 | |
| 30 x 30 x 25" | ECT-32 Single Wall Corrugated | 5/120 | 11.73 | 11.39 | 11.39 | 10.70 | 10.70 | |
| 30 x 30 x 30" | ECT-32 Single Wall Corrugated | 5/120 | 14.02 | 13.61 | 13.61 | 12.78 | 12.78 | |
| 30 x 30 x 30" | ECT-48 Double Wall Corrugated | 5/75 | 23.11 | 22.43 | 22.43 | 21.07 | 21.07 | |
| 30 x 30 x 30" | ECT-90 Triple Wall Corrugated | 5/30 | 62.57 | 60.73 | 60.73 | 57.05 | 57.05 | |
| 30 1/2 x 6 1/2 x 24" | Outside Telescopic HSC | 10/150 | 7.11 | 6.90 | 6.90 | 6.48 | 6.48 | |
| 31 x 16 x 9" | ECT-32 Corrugated | 10/120 | 6.42 | 6.24 | 6.24 | 5.86 | 5.86 | |
| 32 x 6 x 6" | ECT-32 Corrugated | 25/375 | 1.95 | 1.90 | 1.90 | 1.78 | 1.78 | |
| 32 x 8 x 8" | ECT-32 Corrugated | 25/375 | 2.20 | 2.14 | 2.14 | 2.01 | 2.01 | |
| 32 x 10 x 6 1/2" | ECT-32 Corrugated | 20/240 | 3.84 | 3.73 | 3.73 | 3.50 | 3.50 | |
| 32 x 10 x 10" | ECT-32 Corrugated | 20/240 | 4.63 | 4.50 | 4.50 | 4.22 | 4.22 | |
| 32 x 12 x 10" | ECT-32 Corrugated | 20/240 | 3.40 | 3.30 | 3.30 | 3.10 | 3.10 | |
| 32 x 12 x 12" | ECT-32 Corrugated | 20/240 | 3.60 | 3.49 | 3.49 | 3.28 | 3.28 | |
| 32 x 16 x 16" | ECT-32 Corrugated | 15/150 | 8.53 | 8.27 | 8.27 | 7.77 | 7.77 | |
| 32 x 18 x 8" | ECT-32 Corrugated | 15/150 | 4.73 | 4.59 | 4.59 | 4.32 | 4.32 | |
| 32 x 18 x 12" | ECT-32 Corrugated | 15/150 | 5.36 | 5.20 | 5.20 | 4.89 | 4.89 | |
| 32 x 18 x 18" | ECT-32 Corrugated | 15/150 | 7.43 | 7.21 | 7.21 | 6.77 | 6.77 | |
| 32 x 24 x 24" | ECT-32 Corrugated | 15/150 | 12.81 | 12.43 | 12.43 | 11.68 | 11.68 | |
| 32 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 12.29 | 11.93 | 11.93 | 11.20 | 11.20 | |
| 32 x 24 x 24" | ECT-48 Double Wall Corrugated | 5/75 | 15.86 | 15.39 | 15.39 | 14.46 | 14.46 | |
| 32 x 32 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 17.36 | 16.85 | 16.85 | 15.83 | 15.83 | |
| 32 x 32 x 12" | ECT-32 Single Wall Corrugated | 10/150 | 14.16 | 13.75 | 13.75 | 12.91 | 12.91 | |
| 32 x 32 x 32" | ECT-32 Single Wall Corrugated | 5/120 | 15.14 | 14.69 | 14.69 | 13.80 | 13.80 | |
| 32 x 32 x 32" | ECT-48 Double Wall Corrugated | 5/90 | 27.45 | 26.64 | 26.64 | 25.02 | 25.02 | |
| 33 x 8 1/2 x 5" | ECT-32 Single Wall Corrugated | 25/375 | 2.98 | 2.89 | 2.89 | 2.71 | 2.71 | |
| 34 x 10 x 6" | ECT-32 Single Wall Corrugated | 10/300 | 2.64 | 2.57 | 2.57 | 2.41 | 2.41 | |
| 34 x 21 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 9.32 | 9.05 | 9.05 | 8.50 | 8.50 | |
| 34 x 34 x 34" | ECT-32 Single Wall Corrugated | 5/120 | 17.20 | 16.69 | 16.69 | 15.68 | 15.68 | |