| 27 x 14 x 9" | ECT-32 Single Wall Corrugated | 20/240 | $2.55 | $2.51 | $2.41 | $2.31 | $2.31 | |
| 27 x 27 x 27" | ECT-32 Single Wall Corrugated | 5/120 | 7.42 | 7.30 | 7.01 | 6.72 | 6.72 | |
| 28 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/625 | 1.50 | 1.39 | 1.32 | 1.29 | 1.20 | |
| 28 x 5 x 24" | FOL | 10/120 | 5.26 | 4.98 | 4.61 | 4.45 | 4.17 | |
| 28 x 5 x 38" | FOL | 20/120 | 5.43 | 5.13 | 4.78 | 4.43 | 4.43 | |
| 28 x 6 x 6" | ECT-32 Single Wall Corrugated | 20/240 | 1.77 | 1.63 | 1.58 | 1.40 | 1.34 | |
| 28 x 6 x 20" | ECT-44 Single Wall Corrugated | 5/120 | 6.96 | 6.47 | 5.87 | 5.47 | 5.22 | |
| 28 x 6 x 52" | FOL | 5/120 | 11.33 | 10.52 | 9.71 | 8.90 | 8.50 | |
| 28 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 2.03 | 1.82 | 1.69 | 1.61 | 1.50 | |
| 28 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/300 | 2.84 | 2.61 | 2.43 | 2.27 | 2.11 | |
| 28 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/300 | 2.65 | 2.51 | 2.37 | 2.23 | 2.02 | |
| 28 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/300 | 2.99 | 2.95 | 2.83 | 2.71 | 2.71 | |
| 28 x 12 x 12" | ECT-32 Single Wall Corrugated | 20/240 | 3.29 | 3.11 | 2.94 | 2.68 | 2.59 | |
| 28 x 14 x 14" | ECT-32 Single Wall Corrugated | 20/120 | 2.86 | 2.81 | 2.70 | 2.59 | 2.59 | |
| 28 x 16 x 5" | ECT-32 Single Wall Corrugated | 25/300 | 3.87 | 3.59 | 3.30 | 3.16 | 2.93 | |
| 28 x 16 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 3.77 | 3.58 | 3.39 | 3.19 | 2.90 | |
| 28 x 16 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 2.76 | 2.71 | 2.60 | 2.50 | 2.50 | |
| 28 x 16 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 2.95 | 2.90 | 2.79 | 2.67 | 2.67 | |
| 28 x 16 x 14" | ECT-32 Single Wall Corrugated | 15/120 | 3.35 | 3.29 | 3.16 | 3.03 | 3.03 | |
| 28 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 4.28 | 3.89 | 3.69 | 3.50 | 3.13 | |
| 28 x 18 x 6" | ECT-32 Single Wall Corrugated | 20/140 | 5.09 | 4.73 | 4.36 | 4.00 | 3.82 | |
| 28 x 18 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 4.32 | 3.90 | 3.60 | 3.30 | 3.15 | |
| 28 x 18 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 4.07 | 4.01 | 3.85 | 3.69 | 3.69 | |
| 28 x 18 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 3.17 | 3.12 | 3.00 | 2.87 | 2.87 | |
| 28 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/150 | 3.98 | 3.91 | 3.76 | 3.60 | 3.60 | |
| 28 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 11.10 | 10.31 | 9.52 | 8.72 | 8.33 | |
| 28 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.12 | 5.04 | 4.84 | 4.64 | 4.64 | |
| 28 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 3.58 | 3.52 | 3.38 | 3.24 | 3.24 | |
| 28 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 4.28 | 4.21 | 4.04 | 3.87 | 3.87 | |
| 28 x 20 x 24" | 22,20,18,16,14" | 10/120 | 8.12 | 7.70 | 7.29 | 6.87 | 6.46 | |
| 28 x 20 x 25" | ECT-32 Single Wall Corrugated | 10/120 | 5.38 | 5.29 | 5.08 | 4.87 | 4.87 | |
| 28 x 24 x 6" | ECT-32 Single Wall Corrugated | 10/240 | 5.36 | 4.91 | 4.59 | 4.32 | 3.87 | |
| 28 x 24 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 9.66 | 9.51 | 9.13 | 8.75 | 8.75 | |
| 28 x 28 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 6.17 | 5.82 | 5.44 | 5.24 | 4.78 | |
| 28 x 28 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 10.70 | 9.94 | 9.18 | 8.41 | 8.03 | |
| 28 x 28 x 10" | ECT-32 Single Wall Corrugated | 10/150 | 9.20 | 9.06 | 8.69 | 8.33 | 8.33 | |
| 28 x 28 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 5.53 | 5.45 | 5.23 | 5.01 | 5.01 | |
| 28 x 28 x 12" | ECT-48 Double Wall Corrugated | 10/90 | 19.27 | 17.89 | 16.52 | 15.14 | 14.45 | |
| 28 x 28 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 7.06 | 6.95 | 6.67 | 6.39 | 6.39 | |
| 28 x 28 x 22" | ECT-32 Single Wall Corrugated | 10/150 | 10.58 | 10.41 | 10.00 | 9.58 | 9.58 | |
| 28 x 28 x 28" | ECT-32 Single Wall Corrugated | 5/120 | 8.18 | 8.05 | 7.73 | 7.40 | 7.40 | |
| 28 x 28 x 28" | ECT-48 Double Wall Corrugated | 5/90 | 18.87 | 17.87 | 17.29 | 16.29 | 15.86 | |
| 29 x 17 x 3" | ECT-32 Single Wall Corrugated | 25/300 | 4.17 | 3.87 | 3.57 | 3.27 | 3.12 | |
| 29 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 2.50 | 2.46 | 2.37 | 2.27 | 2.27 | |
| 29 x 17 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 4.39 | 4.32 | 4.15 | 3.98 | 3.98 | |
| 29 x 17 x 9" | ECT-32 Single Wall Corrugated | 15/150 | 2.84 | 2.80 | 2.69 | 2.57 | 2.57 | |
| 29 x 17 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 3.38 | 3.33 | 3.20 | 3.06 | 3.06 | |
| 29 x 17 x 15" | ECT-32 Single Wall Corrugated | 15/150 | 3.61 | 3.55 | 3.41 | 3.27 | 3.27 | |
| 29 x 17 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 4.43 | 4.36 | 4.18 | 4.01 | 4.01 | |
| 29 x 24 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 11.42 | 11.24 | 10.79 | 10.34 | 10.34 | |
| 30 x 5 x 24" | FOL | 10/120 | 2.99 | 2.99 | 2.99 | 2.99 | 2.99 | |
| 30 x 5 x 30" | FOL | 10/120 | 4.21 | 4.21 | 4.21 | 4.21 | 4.21 | |
| 30 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/375 | 1.92 | 1.73 | 1.57 | 1.48 | 1.40 | |
| 30 x 6 x 24" | ECT-44 Corrugated | 10/140 | 8.53 | 7.64 | 6.94 | 6.35 | 6.00 | |
| 30 x 6 x 24" | Inside Telescopic HSC | 10/150 | 6.06 | 5.73 | 5.51 | 5.29 | 4.99 | |
| 30 x 6 x 30" | ECT-44 Corrugated | 10/120 | 10.04 | 9.01 | 8.11 | 7.42 | 7.01 | |
| 30 x 6 x 40" | ECT-44 Corrugated | 10/140 | 12.40 | 11.21 | 10.02 | 9.17 | 8.66 | |
| 30 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 2.09 | 1.97 | 1.82 | 1.71 | 1.61 | |
| 30 x 10 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 2.42 | 2.20 | 2.06 | 1.99 | 1.85 | |
| 30 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/375 | 2.95 | 2.90 | 2.79 | 2.67 | 2.67 | |
| 30 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 4.02 | 3.81 | 3.52 | 3.40 | 3.19 | |
| 30 x 12 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 3.29 | 3.14 | 2.92 | 2.75 | 2.66 | |
| 30 x 13 x 13" | ECT-32 Single Wall Corrugated | 20/240 | 4.19 | 4.13 | 3.96 | 3.80 | 3.80 | |
| 30 x 14 x 7" | ECT-32 Single Wall Corrugated | 10/120 | 2.15 | 2.12 | 2.03 | 1.95 | 1.95 | |
| 30 x 14 x 10" | ECT-32 Single Wall Corrugated | 10/120 | 2.48 | 2.44 | 2.35 | 2.25 | 2.25 | |
| 30 x 15 x 15" | ECT-32 Single Wall Corrugated | 15/120 | 3.25 | 3.20 | 3.07 | 2.94 | 2.94 | |
| 30 x 15 x 15" | ECT-48 Double Wall Corrugated | 10/90 | 8.20 | 7.72 | 7.52 | 7.18 | 6.97 | |
| 30 x 17 x 16" | ECT-32 Single Wall Corrugated | 15/150 | 3.58 | 3.52 | 3.38 | 3.24 | 3.24 | |
| 30 x 17 x 16" | 14,12,10" | 15/150 | 5.76 | 5.38 | 5.01 | 4.64 | 4.36 | |
| 30 x 17 x 17" | ECT-51 Double Wall Corrugated | 5/75 | 14.11 | 13.57 | 12.48 | 11.94 | 11.40 | |
| 30 x 18 x 16" | ECT-32 Corrugated | 15/150 | 6.33 | 6.23 | 5.98 | 5.73 | 5.73 | |
| 30 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/120 | 4.10 | 4.03 | 3.87 | 3.71 | 3.71 | |
| 30 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 10.37 | 9.85 | 9.50 | 9.07 | 8.90 | |
| 30 x 20 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 3.76 | 3.55 | 3.36 | 3.08 | 2.92 | |
| 30 x 20 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 5.20 | 4.83 | 4.46 | 4.08 | 3.90 | |
| 30 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 3.82 | 3.76 | 3.61 | 3.46 | 3.46 | |
| 30 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 3.94 | 3.88 | 3.72 | 3.57 | 3.57 | |
| 30 x 20 x 18" | ECT-32 Single Wall Corrugated | 15/150 | 6.97 | 6.86 | 6.59 | 6.31 | 6.31 | |
| 30 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 4.72 | 4.65 | 4.46 | 4.28 | 4.28 | |
| 30 x 20 x 20" | ECT-44 - 18,16,14,12" | 10/120 | 8.57 | 8.12 | 7.82 | 7.26 | 6.30 | |
| 30 x 20 x 20" | ECT-48 Double Wall Corrugated | 10/70 | 14.70 | 14.02 | 13.67 | 12.85 | 12.51 | |
| 30 x 24 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.55 | 5.46 | 5.24 | 5.02 | 5.02 | |
| 30 x 24 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 4.97 | 4.90 | 4.70 | 4.50 | 4.50 | |
| 30 x 24 x 12" | 10,8,6,4" | 15/120 | 6.59 | 5.96 | 5.52 | 5.23 | 5.23 | |
| 30 x 24 x 12" | ECT-48 Double Wall Corrugated | 10/70 | 11.21 | 10.62 | 10.24 | 9.70 | 9.43 | |
| 30 x 24 x 20" | ECT-32 Single Wall Corrugated | 15/150 | 7.62 | 7.50 | 7.20 | 6.90 | 6.90 | |
| 30 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 11.01 | 10.21 | 9.81 | 9.21 | 8.34 | |
| 30 x 26 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 9.16 | 9.02 | 8.66 | 8.30 | 8.30 | |
| 30 x 30 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 7.01 | 6.46 | 6.07 | 5.82 | 5.37 | |
| 30 x 30 x 8" | ECT-32 Single Wall Corrugated | 10/120 | 7.30 | 6.72 | 6.46 | 6.01 | 5.56 | |
| 30 x 30 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.46 | 6.35 | 6.10 | 5.85 | 5.85 | |
| 30 x 30 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 7.49 | 7.37 | 7.08 | 6.78 | 6.78 | |
| 30 x 30 x 12" | ECT-48 Double Wall Corrugated | 5/75 | 14.41 | 13.68 | 13.17 | 12.44 | 12.13 | |
| 30 x 30 x 16" | ECT-32 Single Wall Corrugated | 10/120 | 6.63 | 6.52 | 6.26 | 6.00 | 6.00 | |
| 30 x 30 x 16" | ECT-48 Double Wall Corrugated | 5/90 | 15.85 | 14.97 | 14.53 | 13.65 | 13.20 | |
| 30 x 30 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 12.34 | 12.15 | 11.66 | 11.18 | 11.18 | |
| 30 x 30 x 20" | ECT-48 Double Wall Corrugated | 5/90 | 18.23 | 17.11 | 16.74 | 15.63 | 15.13 | |
| 30 x 30 x 25" | ECT-32 Single Wall Corrugated | 5/120 | 7.95 | 7.83 | 7.51 | 7.20 | 7.20 | |
| 30 x 30 x 30" | ECT-32 Single Wall Corrugated | 5/120 | 9.50 | 9.35 | 8.98 | 8.60 | 8.60 | |
| 30 x 30 x 30" | ECT-48 Double Wall Corrugated | 5/75 | 25.52 | 24.04 | 23.43 | 21.83 | 21.33 | |
| 30 x 30 x 30" | ECT-90 Triple Wall Corrugated | 5/30 | 56.75 | 53.75 | 49.74 | 48.07 | 45.07 | |
| 30 1/2 x 6 1/2 x 24" | Outside Telescopic HSC | 10/150 | 5.99 | 5.76 | 5.57 | 5.22 | 4.95 | |
| 31 x 16 x 9" | ECT-32 Corrugated | 10/120 | 4.35 | 4.28 | 4.11 | 3.94 | 3.94 | |
| 32 x 6 x 6" | ECT-32 Corrugated | 25/375 | 2.07 | 1.92 | 1.78 | 1.60 | 1.47 | |
| 32 x 8 x 8" | ECT-32 Corrugated | 25/375 | 2.17 | 2.06 | 1.89 | 1.76 | 1.65 | |
| 32 x 10 x 6 1/2" | ECT-32 Corrugated | 20/240 | 3.06 | 2.84 | 2.63 | 2.41 | 2.30 | |
| 32 x 10 x 10" | ECT-32 Corrugated | 20/240 | 3.46 | 3.21 | 2.97 | 2.72 | 2.60 | |
| 32 x 12 x 10" | ECT-32 Corrugated | 20/240 | 3.32 | 3.00 | 2.81 | 2.72 | 2.45 | |
| 32 x 12 x 12" | ECT-32 Corrugated | 20/240 | 3.46 | 3.26 | 3.09 | 2.88 | 2.69 | |
| 32 x 16 x 16" | ECT-32 Corrugated | 15/150 | 6.37 | 5.91 | 5.46 | 5.00 | 4.78 | |
| 32 x 18 x 8" | ECT-32 Corrugated | 15/150 | 3.21 | 3.16 | 3.03 | 2.90 | 2.90 | |
| 32 x 18 x 12" | ECT-32 Corrugated | 15/150 | 3.79 | 3.73 | 3.58 | 3.44 | 3.44 | |
| 32 x 18 x 18" | ECT-32 Corrugated | 15/150 | 5.04 | 4.96 | 4.76 | 4.56 | 4.56 | |
| 32 x 24 x 24" | ECT-32 Corrugated | 15/150 | 8.68 | 8.54 | 8.20 | 7.86 | 7.86 | |
| 32 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 8.08 | 8.08 | 8.08 | 8.08 | 8.08 | |
| 32 x 24 x 24" | ECT-48 Double Wall Corrugated | 5/75 | 13.96 | 13.20 | 12.86 | 12.01 | 11.68 | |
| 32 x 32 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 12.97 | 12.04 | 11.11 | 10.19 | 9.72 | |
| 32 x 32 x 12" | ECT-32 Single Wall Corrugated | 10/150 | 9.60 | 9.45 | 9.07 | 8.69 | 8.69 | |
| 32 x 32 x 32" | ECT-32 Single Wall Corrugated | 5/120 | 9.92 | 9.76 | 9.37 | 8.98 | 8.98 | |
| 32 x 32 x 32" | ECT-48 Double Wall Corrugated | 5/90 | 27.83 | 26.36 | 25.48 | 23.87 | 23.14 | |
| 33 x 8 1/2 x 5" | ECT-32 Single Wall Corrugated | 25/375 | 2.29 | 2.14 | 2.07 | 1.91 | 1.75 | |
| 34 x 10 x 6" | ECT-32 Single Wall Corrugated | 10/300 | 2.40 | 2.27 | 2.10 | 2.03 | 1.90 | |
| 34 x 21 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 6.96 | 6.47 | 5.97 | 5.47 | 5.22 | |
| 34 x 34 x 34" | ECT-32 Single Wall Corrugated | 5/120 | 11.65 | 11.47 | 11.01 | 10.55 | 10.55 | |