| 27 x 14 x 9" | ECT-32 Single Wall Corrugated | 20/240 | $2.47 | $2.45 | $2.43 | $2.41 | $2.37 | |
| 27 x 27 x 27" | ECT-32 Single Wall Corrugated | 5/120 | 7.99 | 7.94 | 7.86 | 7.80 | 7.68 | |
| 28 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/625 | 1.61 | 1.60 | 1.58 | 1.57 | 1.54 | |
| 28 x 5 x 24" | FOL | 10/120 | 4.23 | 4.20 | 4.16 | 4.13 | 4.06 | |
| 28 x 5 x 38" | FOL | 20/120 | 5.95 | 5.91 | 5.85 | 5.80 | 5.71 | |
| 28 x 6 x 6" | ECT-32 Single Wall Corrugated | 20/240 | 1.27 | 1.27 | 1.25 | 1.24 | 1.22 | |
| 28 x 6 x 20" | ECT-44 Single Wall Corrugated | 5/120 | 7.49 | 7.44 | 7.36 | 7.31 | 7.19 | |
| 28 x 6 x 52" | FOL | 5/120 | 11.08 | 11.00 | 10.89 | 10.81 | 10.64 | |
| 28 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.47 | 1.46 | 1.44 | 1.43 | 1.41 | |
| 28 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/300 | 2.11 | 2.09 | 2.07 | 2.06 | 2.02 | |
| 28 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/300 | 1.87 | 1.86 | 1.84 | 1.82 | 1.79 | |
| 28 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/300 | 3.23 | 3.20 | 3.17 | 3.15 | 3.10 | |
| 28 x 12 x 12" | ECT-32 Single Wall Corrugated | 20/240 | 2.43 | 2.41 | 2.39 | 2.37 | 2.33 | |
| 28 x 14 x 14" | ECT-32 Single Wall Corrugated | 20/120 | 3.08 | 3.06 | 3.03 | 3.00 | 2.96 | |
| 28 x 16 x 5" | ECT-32 Single Wall Corrugated | 25/300 | 3.93 | 3.90 | 3.86 | 3.83 | 3.77 | |
| 28 x 16 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 2.71 | 2.69 | 2.66 | 2.64 | 2.60 | |
| 28 x 16 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 2.95 | 2.93 | 2.90 | 2.88 | 2.83 | |
| 28 x 16 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 3.18 | 3.16 | 3.13 | 3.10 | 3.05 | |
| 28 x 16 x 14" | ECT-32 Single Wall Corrugated | 15/120 | 3.61 | 3.58 | 3.55 | 3.52 | 3.46 | |
| 28 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 2.52 | 2.50 | 2.47 | 2.45 | 2.42 | |
| 28 x 18 x 6" | ECT-32 Single Wall Corrugated | 20/140 | 4.98 | 4.94 | 4.89 | 4.86 | 4.78 | |
| 28 x 18 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 4.11 | 4.08 | 4.04 | 4.01 | 3.94 | |
| 28 x 18 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 4.39 | 4.36 | 4.31 | 4.28 | 4.21 | |
| 28 x 18 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 3.42 | 3.39 | 3.36 | 3.33 | 3.28 | |
| 28 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/150 | 3.74 | 3.71 | 3.67 | 3.64 | 3.59 | |
| 28 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 10.42 | 10.35 | 10.25 | 10.17 | 10.01 | |
| 28 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.52 | 5.49 | 5.43 | 5.39 | 5.30 | |
| 28 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 3.86 | 3.83 | 3.80 | 3.77 | 3.71 | |
| 28 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 4.61 | 4.58 | 4.53 | 4.50 | 4.43 | |
| 28 x 20 x 24" | 22,20,18,16,14" | 10/120 | 8.48 | 8.42 | 8.34 | 8.27 | 8.14 | |
| 28 x 20 x 25" | ECT-32 Single Wall Corrugated | 10/120 | 5.80 | 5.76 | 5.70 | 5.66 | 5.57 | |
| 28 x 24 x 6" | ECT-32 Single Wall Corrugated | 10/240 | 4.08 | 4.05 | 4.01 | 3.98 | 3.91 | |
| 28 x 24 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 10.41 | 10.34 | 10.24 | 10.16 | 10.00 | |
| 28 x 28 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 5.32 | 5.28 | 5.23 | 5.19 | 5.10 | |
| 28 x 28 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 10.47 | 10.39 | 10.29 | 10.21 | 10.05 | |
| 28 x 28 x 10" | ECT-32 Single Wall Corrugated | 10/150 | 9.92 | 9.85 | 9.75 | 9.68 | 9.52 | |
| 28 x 28 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 5.97 | 5.92 | 5.87 | 5.82 | 5.73 | |
| 28 x 28 x 12" | ECT-48 Double Wall Corrugated | 10/90 | 18.84 | 18.71 | 18.53 | 18.38 | 18.09 | |
| 28 x 28 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 7.45 | 7.40 | 7.33 | 7.27 | 7.16 | |
| 28 x 28 x 22" | ECT-32 Single Wall Corrugated | 10/150 | 11.40 | 11.33 | 11.21 | 11.13 | 10.95 | |
| 28 x 28 x 28" | ECT-32 Single Wall Corrugated | 5/120 | 8.62 | 8.56 | 8.48 | 8.41 | 8.28 | |
| 28 x 28 x 28" | ECT-48 Double Wall Corrugated | 5/90 | 19.57 | 19.43 | 19.24 | 19.09 | 18.79 | |
| 29 x 17 x 3" | ECT-32 Single Wall Corrugated | 25/300 | 4.07 | 4.04 | 4.01 | 3.97 | 3.91 | |
| 29 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 2.70 | 2.68 | 2.65 | 2.63 | 2.59 | |
| 29 x 17 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 4.74 | 4.70 | 4.66 | 4.62 | 4.55 | |
| 29 x 17 x 9" | ECT-32 Single Wall Corrugated | 15/150 | 3.06 | 3.04 | 3.01 | 2.99 | 2.94 | |
| 29 x 17 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 3.63 | 3.60 | 3.57 | 3.54 | 3.48 | |
| 29 x 17 x 15" | ECT-32 Single Wall Corrugated | 15/150 | 3.88 | 3.85 | 3.81 | 3.78 | 3.72 | |
| 29 x 17 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 4.77 | 4.74 | 4.69 | 4.65 | 4.58 | |
| 29 x 24 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 12.31 | 12.22 | 12.10 | 12.01 | 11.81 | |
| 30 x 5 x 24" | FOL | 10/120 | 3.14 | 3.12 | 3.09 | 3.06 | 3.01 | |
| 30 x 5 x 30" | FOL | 10/120 | 3.72 | 3.69 | 3.66 | 3.63 | 3.57 | |
| 30 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/375 | 1.33 | 1.32 | 1.30 | 1.29 | 1.27 | |
| 30 x 6 x 24" | ECT-44 Corrugated | 10/140 | 8.05 | 7.99 | 7.92 | 7.85 | 7.73 | |
| 30 x 6 x 24" | Inside Telescopic HSC | 10/150 | 5.00 | 4.96 | 4.91 | 4.87 | 4.80 | |
| 30 x 6 x 30" | ECT-44 Corrugated | 10/120 | 9.41 | 9.35 | 9.25 | 9.18 | 9.04 | |
| 30 x 6 x 40" | ECT-44 Corrugated | 10/140 | 11.63 | 11.54 | 11.43 | 11.34 | 11.16 | |
| 30 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.64 | 1.62 | 1.61 | 1.60 | 1.57 | |
| 30 x 10 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 2.01 | 2.00 | 1.98 | 1.96 | 1.93 | |
| 30 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/375 | 3.18 | 3.16 | 3.13 | 3.10 | 3.05 | |
| 30 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 3.24 | 3.21 | 3.18 | 3.16 | 3.11 | |
| 30 x 12 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 2.53 | 2.51 | 2.49 | 2.47 | 2.43 | |
| 30 x 13 x 13" | ECT-32 Single Wall Corrugated | 20/240 | 4.52 | 4.49 | 4.45 | 4.41 | 4.34 | |
| 30 x 14 x 7" | ECT-32 Single Wall Corrugated | 10/120 | 2.32 | 2.30 | 2.28 | 2.26 | 2.23 | |
| 30 x 14 x 10" | ECT-32 Single Wall Corrugated | 10/120 | 2.68 | 2.66 | 2.63 | 2.61 | 2.57 | |
| 30 x 15 x 15" | ECT-32 Single Wall Corrugated | 15/120 | 3.50 | 3.48 | 3.44 | 3.42 | 3.36 | |
| 30 x 15 x 15" | ECT-48 Double Wall Corrugated | 10/90 | 9.36 | 9.29 | 9.20 | 9.13 | 8.98 | |
| 30 x 17 x 16" | ECT-32 Single Wall Corrugated | 15/150 | 3.80 | 3.77 | 3.74 | 3.71 | 3.65 | |
| 30 x 17 x 16" | 14,12,10" | 15/150 | 4.26 | 4.23 | 4.19 | 4.16 | 4.09 | |
| 30 x 17 x 17" | ECT-51 Double Wall Corrugated | 5/75 | 7.22 | 7.17 | 7.10 | 7.04 | 6.93 | |
| 30 x 18 x 16" | ECT-32 Corrugated | 15/150 | 6.82 | 6.77 | 6.71 | 6.66 | 6.55 | |
| 30 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/120 | 4.42 | 4.39 | 4.34 | 4.31 | 4.24 | |
| 30 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 11.83 | 11.74 | 11.63 | 11.54 | 11.35 | |
| 30 x 20 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 3.20 | 3.17 | 3.14 | 3.12 | 3.07 | |
| 30 x 20 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 5.08 | 5.05 | 5.00 | 4.96 | 4.88 | |
| 30 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 3.86 | 3.83 | 3.79 | 3.76 | 3.70 | |
| 30 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.25 | 4.22 | 4.17 | 4.14 | 4.08 | |
| 30 x 20 x 18" | ECT-32 Single Wall Corrugated | 15/150 | 7.52 | 7.46 | 7.39 | 7.33 | 7.22 | |
| 30 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 5.09 | 5.06 | 5.01 | 4.97 | 4.89 | |
| 30 x 20 x 20" | ECT-44 - 18,16,14,12" | 10/120 | 6.90 | 6.86 | 6.79 | 6.74 | 6.63 | |
| 30 x 20 x 20" | ECT-48 Double Wall Corrugated | 10/70 | 9.31 | 9.24 | 9.15 | 9.08 | 8.93 | |
| 30 x 24 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.86 | 5.82 | 5.76 | 5.71 | 5.62 | |
| 30 x 24 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 5.36 | 5.33 | 5.27 | 5.23 | 5.15 | |
| 30 x 24 x 12" | 10,8,6,4" | 15/120 | 6.69 | 6.64 | 6.58 | 6.52 | 6.42 | |
| 30 x 24 x 12" | ECT-48 Double Wall Corrugated | 10/70 | 8.58 | 8.52 | 8.44 | 8.37 | 8.24 | |
| 30 x 24 x 20" | ECT-32 Single Wall Corrugated | 15/150 | 8.21 | 8.15 | 8.07 | 8.01 | 7.88 | |
| 30 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 10.61 | 10.54 | 10.43 | 10.35 | 10.19 | |
| 30 x 26 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 9.88 | 9.81 | 9.71 | 9.64 | 9.48 | |
| 30 x 30 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 6.81 | 6.76 | 6.69 | 6.64 | 6.54 | |
| 30 x 30 x 8" | ECT-32 Single Wall Corrugated | 10/120 | 6.03 | 5.99 | 5.93 | 5.88 | 5.79 | |
| 30 x 30 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.75 | 6.71 | 6.64 | 6.59 | 6.48 | |
| 30 x 30 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 8.07 | 8.02 | 7.94 | 7.88 | 7.75 | |
| 30 x 30 x 12" | ECT-48 Double Wall Corrugated | 5/75 | 14.19 | 14.09 | 13.96 | 13.85 | 13.63 | |
| 30 x 30 x 16" | ECT-32 Single Wall Corrugated | 10/120 | 7.14 | 7.09 | 7.03 | 6.97 | 6.86 | |
| 30 x 30 x 16" | ECT-48 Double Wall Corrugated | 5/90 | 15.06 | 14.96 | 14.81 | 14.70 | 14.46 | |
| 30 x 30 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 13.31 | 13.21 | 13.09 | 12.98 | 12.78 | |
| 30 x 30 x 20" | ECT-48 Double Wall Corrugated | 5/90 | 16.98 | 16.86 | 16.70 | 16.56 | 16.30 | |
| 30 x 30 x 25" | ECT-32 Single Wall Corrugated | 5/120 | 8.57 | 8.51 | 8.43 | 8.36 | 8.23 | |
| 30 x 30 x 30" | ECT-32 Single Wall Corrugated | 5/120 | 10.24 | 10.17 | 10.07 | 9.99 | 9.83 | |
| 30 x 30 x 30" | ECT-48 Double Wall Corrugated | 5/75 | 16.88 | 16.76 | 16.60 | 16.47 | 16.21 | |
| 30 x 30 x 30" | ECT-90 Triple Wall Corrugated | 5/30 | 45.70 | 45.39 | 44.94 | 44.59 | 43.88 | |
| 30 1/2 x 6 1/2 x 24" | Outside Telescopic HSC | 10/150 | 5.24 | 5.21 | 5.16 | 5.12 | 5.03 | |
| 31 x 16 x 9" | ECT-32 Corrugated | 10/120 | 4.69 | 4.66 | 4.61 | 4.58 | 4.51 | |
| 32 x 6 x 6" | ECT-32 Corrugated | 25/375 | 1.43 | 1.42 | 1.40 | 1.39 | 1.37 | |
| 32 x 8 x 8" | ECT-32 Corrugated | 25/375 | 1.61 | 1.60 | 1.58 | 1.57 | 1.54 | |
| 32 x 10 x 6 1/2" | ECT-32 Corrugated | 20/240 | 2.81 | 2.79 | 2.76 | 2.74 | 2.70 | |
| 32 x 10 x 10" | ECT-32 Corrugated | 20/240 | 3.38 | 3.36 | 3.33 | 3.30 | 3.25 | |
| 32 x 12 x 10" | ECT-32 Corrugated | 20/240 | 2.49 | 2.47 | 2.44 | 2.43 | 2.39 | |
| 32 x 12 x 12" | ECT-32 Corrugated | 20/240 | 2.63 | 2.61 | 2.58 | 2.56 | 2.52 | |
| 32 x 16 x 16" | ECT-32 Corrugated | 15/150 | 6.23 | 6.18 | 6.12 | 6.08 | 5.98 | |
| 32 x 18 x 8" | ECT-32 Corrugated | 15/150 | 3.46 | 3.43 | 3.40 | 3.37 | 3.32 | |
| 32 x 18 x 12" | ECT-32 Corrugated | 15/150 | 3.92 | 3.89 | 3.85 | 3.82 | 3.76 | |
| 32 x 18 x 18" | ECT-32 Corrugated | 15/150 | 5.43 | 5.39 | 5.34 | 5.30 | 5.21 | |
| 32 x 24 x 24" | ECT-32 Corrugated | 15/150 | 9.36 | 9.29 | 9.20 | 9.13 | 8.98 | |
| 32 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 8.98 | 8.91 | 8.83 | 8.76 | 8.62 | |
| 32 x 24 x 24" | ECT-48 Double Wall Corrugated | 5/75 | 11.58 | 11.50 | 11.39 | 11.30 | 11.12 | |
| 32 x 32 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 12.68 | 12.59 | 12.47 | 12.37 | 12.17 | |
| 32 x 32 x 12" | ECT-32 Single Wall Corrugated | 10/150 | 10.35 | 10.27 | 10.17 | 10.09 | 9.93 | |
| 32 x 32 x 32" | ECT-32 Single Wall Corrugated | 5/120 | 11.06 | 10.98 | 10.87 | 10.79 | 10.62 | |
| 32 x 32 x 32" | ECT-48 Double Wall Corrugated | 5/90 | 20.05 | 19.91 | 19.71 | 19.56 | 19.25 | |
| 33 x 8 1/2 x 5" | ECT-32 Single Wall Corrugated | 25/375 | 2.17 | 2.16 | 2.14 | 2.12 | 2.09 | |
| 34 x 10 x 6" | ECT-32 Single Wall Corrugated | 10/300 | 1.93 | 1.92 | 1.90 | 1.88 | 1.85 | |
| 34 x 21 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 6.81 | 6.76 | 6.70 | 6.64 | 6.54 | |
| 34 x 34 x 34" | ECT-32 Single Wall Corrugated | 5/120 | 12.56 | 12.48 | 12.35 | 12.26 | 12.06 | |