| 27 x 14 x 9" | ECT-32 Single Wall Corrugated | 20/240 | $4.02 | $3.82 | $3.62 | $3.52 | $3.42 | |
| 27 x 27 x 27" | ECT-32 Single Wall Corrugated | 5/120 | 11.68 | 11.10 | 10.51 | 10.22 | 9.93 | |
| 28 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/625 | 2.35 | 2.23 | 2.12 | 2.06 | 2.00 | |
| 28 x 5 x 24" | FOL | 10/120 | 6.18 | 5.87 | 5.56 | 5.41 | 5.26 | |
| 28 x 5 x 38" | FOL | 20/120 | 8.69 | 8.26 | 7.82 | 7.61 | 7.39 | |
| 28 x 6 x 6" | ECT-32 Single Wall Corrugated | 20/240 | 1.74 | 1.66 | 1.57 | 1.53 | 1.48 | |
| 28 x 6 x 20" | ECT-44 Single Wall Corrugated | 5/120 | 9.95 | 9.45 | 8.95 | 8.71 | 8.46 | |
| 28 x 6 x 52" | FOL | 5/120 | 16.18 | 15.37 | 14.56 | 14.16 | 13.76 | |
| 28 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 2.09 | 1.99 | 1.88 | 1.83 | 1.78 | |
| 28 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/300 | 2.78 | 2.64 | 2.50 | 2.44 | 2.37 | |
| 28 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/300 | 2.54 | 2.42 | 2.29 | 2.23 | 2.16 | |
| 28 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/300 | 4.71 | 4.48 | 4.24 | 4.12 | 4.01 | |
| 28 x 12 x 12" | ECT-32 Single Wall Corrugated | 20/240 | 3.44 | 3.26 | 3.09 | 3.01 | 2.92 | |
| 28 x 14 x 14" | ECT-32 Single Wall Corrugated | 20/120 | 4.47 | 4.24 | 4.02 | 3.91 | 3.80 | |
| 28 x 16 x 5" | ECT-32 Single Wall Corrugated | 25/300 | 5.74 | 5.45 | 5.17 | 5.02 | 4.88 | |
| 28 x 16 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 3.61 | 3.43 | 3.25 | 3.16 | 3.07 | |
| 28 x 16 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 4.34 | 4.12 | 3.91 | 3.80 | 3.69 | |
| 28 x 16 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 4.47 | 4.25 | 4.02 | 3.91 | 3.80 | |
| 28 x 16 x 14" | ECT-32 Single Wall Corrugated | 15/120 | 5.27 | 5.01 | 4.74 | 4.61 | 4.48 | |
| 28 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 3.89 | 3.69 | 3.50 | 3.40 | 3.30 | |
| 28 x 18 x 6" | ECT-32 Single Wall Corrugated | 20/140 | 7.27 | 6.91 | 6.54 | 6.36 | 6.18 | |
| 28 x 18 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 6.00 | 5.70 | 5.40 | 5.25 | 5.10 | |
| 28 x 18 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.41 | 6.09 | 5.77 | 5.61 | 5.45 | |
| 28 x 18 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 4.99 | 4.74 | 4.49 | 4.37 | 4.24 | |
| 28 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/150 | 5.81 | 5.52 | 5.23 | 5.08 | 4.94 | |
| 28 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 15.22 | 14.46 | 13.70 | 13.32 | 12.94 | |
| 28 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 8.07 | 7.67 | 7.26 | 7.06 | 6.86 | |
| 28 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 5.64 | 5.36 | 5.07 | 4.93 | 4.79 | |
| 28 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 6.80 | 6.46 | 6.12 | 5.95 | 5.78 | |
| 28 x 20 x 24" | 22,20,18,16,14" | 10/120 | 12.63 | 12.00 | 11.37 | 11.05 | 10.73 | |
| 28 x 20 x 25" | ECT-32 Single Wall Corrugated | 10/120 | 7.61 | 7.23 | 6.85 | 6.66 | 6.47 | |
| 28 x 24 x 6" | ECT-32 Single Wall Corrugated | 10/240 | 5.55 | 5.28 | 5.00 | 4.86 | 4.72 | |
| 28 x 24 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 15.21 | 14.45 | 13.69 | 13.31 | 12.93 | |
| 28 x 28 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 7.77 | 7.38 | 6.99 | 6.80 | 6.60 | |
| 28 x 28 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 13.38 | 12.71 | 12.04 | 11.71 | 11.37 | |
| 28 x 28 x 10" | ECT-32 Single Wall Corrugated | 10/150 | 14.49 | 13.77 | 13.04 | 12.68 | 12.32 | |
| 28 x 28 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 8.72 | 8.28 | 7.84 | 7.63 | 7.41 | |
| 28 x 28 x 12" | ECT-48 Double Wall Corrugated | 10/90 | 27.53 | 26.15 | 24.78 | 24.09 | 23.40 | |
| 28 x 28 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 11.12 | 10.56 | 10.01 | 9.73 | 9.45 | |
| 28 x 28 x 22" | ECT-32 Single Wall Corrugated | 10/150 | 16.66 | 15.83 | 15.00 | 14.58 | 14.16 | |
| 28 x 28 x 28" | ECT-32 Single Wall Corrugated | 5/120 | 12.88 | 12.23 | 11.59 | 11.27 | 10.94 | |
| 28 x 28 x 28" | ECT-48 Double Wall Corrugated | 5/90 | 28.59 | 27.16 | 25.73 | 25.01 | 24.30 | |
| 29 x 17 x 3" | ECT-32 Single Wall Corrugated | 25/300 | 5.95 | 5.65 | 5.36 | 5.21 | 5.06 | |
| 29 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 3.94 | 3.74 | 3.55 | 3.45 | 3.35 | |
| 29 x 17 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 6.92 | 6.57 | 6.23 | 6.05 | 5.88 | |
| 29 x 17 x 9" | ECT-32 Single Wall Corrugated | 15/150 | 4.48 | 4.25 | 4.03 | 3.92 | 3.81 | |
| 29 x 17 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.80 | 4.56 | 4.32 | 4.20 | 4.08 | |
| 29 x 17 x 15" | ECT-32 Single Wall Corrugated | 15/150 | 5.68 | 5.40 | 5.12 | 4.97 | 4.83 | |
| 29 x 17 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 6.97 | 6.62 | 6.27 | 6.10 | 5.92 | |
| 29 x 24 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 17.98 | 17.08 | 16.18 | 15.73 | 15.28 | |
| 30 x 5 x 24" | FOL | 10/120 | 4.83 | 4.58 | 4.34 | 4.22 | 4.10 | |
| 30 x 5 x 30" | FOL | 10/120 | 5.10 | 4.84 | 4.59 | 4.46 | 4.33 | |
| 30 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/375 | 1.85 | 1.75 | 1.66 | 1.61 | 1.57 | |
| 30 x 6 x 24" | ECT-44 Corrugated | 10/140 | 11.76 | 11.17 | 10.58 | 10.29 | 10.00 | |
| 30 x 6 x 24" | Inside Telescopic HSC | 10/150 | 7.40 | 7.03 | 6.66 | 6.47 | 6.29 | |
| 30 x 6 x 30" | ECT-44 Corrugated | 10/120 | 13.75 | 13.06 | 12.37 | 12.03 | 11.69 | |
| 30 x 6 x 40" | ECT-44 Corrugated | 10/140 | 16.98 | 16.14 | 15.29 | 14.86 | 14.44 | |
| 30 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 2.39 | 2.27 | 2.15 | 2.09 | 2.03 | |
| 30 x 10 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 2.94 | 2.79 | 2.64 | 2.57 | 2.50 | |
| 30 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/375 | 4.65 | 4.41 | 4.18 | 4.06 | 3.95 | |
| 30 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 4.73 | 4.49 | 4.26 | 4.14 | 4.02 | |
| 30 x 12 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 3.69 | 3.51 | 3.32 | 3.23 | 3.14 | |
| 30 x 13 x 13" | ECT-32 Single Wall Corrugated | 20/240 | 6.60 | 6.27 | 5.94 | 5.78 | 5.61 | |
| 30 x 14 x 7" | ECT-32 Single Wall Corrugated | 10/120 | 3.39 | 3.22 | 3.05 | 2.97 | 2.88 | |
| 30 x 14 x 10" | ECT-32 Single Wall Corrugated | 10/120 | 3.91 | 3.71 | 3.52 | 3.42 | 3.32 | |
| 30 x 15 x 15" | ECT-32 Single Wall Corrugated | 15/120 | 4.89 | 4.64 | 4.40 | 4.28 | 4.15 | |
| 30 x 15 x 15" | ECT-48 Double Wall Corrugated | 10/90 | 13.67 | 12.98 | 12.30 | 11.96 | 11.62 | |
| 30 x 17 x 16" | ECT-32 Single Wall Corrugated | 15/150 | 5.55 | 5.27 | 5.00 | 4.86 | 4.72 | |
| 30 x 17 x 16" | 14,12,10" | 15/150 | 6.22 | 5.91 | 5.60 | 5.45 | 5.29 | |
| 30 x 17 x 17" | ECT-51 Double Wall Corrugated | 5/75 | 10.00 | 9.50 | 9.00 | 8.75 | 8.50 | |
| 30 x 18 x 16" | ECT-32 Corrugated | 15/150 | 9.97 | 9.47 | 8.97 | 8.72 | 8.47 | |
| 30 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/120 | 6.46 | 6.13 | 5.81 | 5.65 | 5.49 | |
| 30 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 17.28 | 16.41 | 15.55 | 15.12 | 14.69 | |
| 30 x 20 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 4.67 | 4.44 | 4.21 | 4.09 | 3.97 | |
| 30 x 20 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 8.34 | 7.92 | 7.50 | 7.29 | 7.09 | |
| 30 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.01 | 5.71 | 5.41 | 5.26 | 5.11 | |
| 30 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 6.20 | 5.89 | 5.58 | 5.43 | 5.27 | |
| 30 x 20 x 18" | ECT-32 Single Wall Corrugated | 15/150 | 10.98 | 10.43 | 9.88 | 9.61 | 9.33 | |
| 30 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 7.44 | 7.07 | 6.70 | 6.51 | 6.32 | |
| 30 x 20 x 20" | ECT-44 - 18,16,14,12" | 10/120 | 10.09 | 9.58 | 9.08 | 8.82 | 8.57 | |
| 30 x 20 x 20" | ECT-48 Double Wall Corrugated | 10/70 | 11.29 | 10.73 | 10.16 | 9.88 | 9.60 | |
| 30 x 24 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 8.74 | 8.30 | 7.86 | 7.65 | 7.43 | |
| 30 x 24 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 7.83 | 7.44 | 7.05 | 6.86 | 6.66 | |
| 30 x 24 x 12" | 10,8,6,4" | 15/120 | 9.57 | 9.09 | 8.61 | 8.37 | 8.13 | |
| 30 x 24 x 12" | ECT-48 Double Wall Corrugated | 10/70 | 11.22 | 10.66 | 10.10 | 9.82 | 9.54 | |
| 30 x 24 x 20" | ECT-32 Single Wall Corrugated | 15/150 | 11.99 | 11.39 | 10.79 | 10.49 | 10.19 | |
| 30 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 14.12 | 13.42 | 12.71 | 12.36 | 12.00 | |
| 30 x 26 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 14.43 | 13.71 | 12.99 | 12.62 | 12.26 | |
| 30 x 30 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 9.94 | 9.45 | 8.95 | 8.70 | 8.45 | |
| 30 x 30 x 8" | ECT-32 Single Wall Corrugated | 10/120 | 8.90 | 8.46 | 8.01 | 7.79 | 7.57 | |
| 30 x 30 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 10.17 | 9.66 | 9.15 | 8.90 | 8.64 | |
| 30 x 30 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 11.79 | 11.20 | 10.61 | 10.32 | 10.02 | |
| 30 x 30 x 12" | ECT-48 Double Wall Corrugated | 5/75 | 20.73 | 19.70 | 18.66 | 18.14 | 17.62 | |
| 30 x 30 x 16" | ECT-32 Single Wall Corrugated | 10/120 | 10.44 | 9.92 | 9.39 | 9.13 | 8.87 | |
| 30 x 30 x 16" | ECT-48 Double Wall Corrugated | 5/90 | 22.01 | 20.91 | 19.81 | 19.26 | 18.71 | |
| 30 x 30 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 19.44 | 18.47 | 17.50 | 17.01 | 16.52 | |
| 30 x 30 x 20" | ECT-48 Double Wall Corrugated | 5/90 | 25.84 | 24.55 | 23.25 | 22.61 | 21.96 | |
| 30 x 30 x 25" | ECT-32 Single Wall Corrugated | 5/120 | 12.52 | 11.90 | 11.27 | 10.96 | 10.64 | |
| 30 x 30 x 30" | ECT-32 Single Wall Corrugated | 5/120 | 14.96 | 14.21 | 13.47 | 13.09 | 12.72 | |
| 30 x 30 x 30" | ECT-48 Double Wall Corrugated | 5/75 | 21.08 | 20.02 | 18.97 | 18.44 | 17.91 | |
| 30 x 30 x 30" | ECT-90 Triple Wall Corrugated | 5/30 | 66.77 | 63.43 | 60.09 | 58.42 | 56.75 | |
| 30 1/2 x 6 1/2 x 24" | Outside Telescopic HSC | 10/150 | 7.74 | 7.35 | 6.96 | 6.77 | 6.57 | |
| 31 x 16 x 9" | ECT-32 Corrugated | 10/120 | 6.86 | 6.51 | 6.17 | 6.00 | 5.83 | |
| 32 x 6 x 6" | ECT-32 Corrugated | 25/375 | 2.08 | 1.98 | 1.88 | 1.82 | 1.77 | |
| 32 x 8 x 8" | ECT-32 Corrugated | 25/375 | 2.35 | 2.23 | 2.12 | 2.06 | 2.00 | |
| 32 x 10 x 6 1/2" | ECT-32 Corrugated | 20/240 | 4.10 | 3.90 | 3.69 | 3.59 | 3.49 | |
| 32 x 10 x 10" | ECT-32 Corrugated | 20/240 | 4.94 | 4.70 | 4.45 | 4.33 | 4.20 | |
| 32 x 12 x 10" | ECT-32 Corrugated | 20/240 | 3.63 | 3.45 | 3.27 | 3.18 | 3.09 | |
| 32 x 12 x 12" | ECT-32 Corrugated | 20/240 | 3.80 | 3.61 | 3.42 | 3.32 | 3.23 | |
| 32 x 16 x 16" | ECT-32 Corrugated | 15/150 | 9.10 | 8.64 | 8.19 | 7.96 | 7.73 | |
| 32 x 18 x 8" | ECT-32 Corrugated | 15/150 | 5.05 | 4.80 | 4.55 | 4.42 | 4.29 | |
| 32 x 18 x 12" | ECT-32 Corrugated | 15/150 | 5.41 | 5.14 | 4.87 | 4.74 | 4.60 | |
| 32 x 18 x 18" | ECT-32 Corrugated | 15/150 | 7.93 | 7.53 | 7.14 | 6.94 | 6.74 | |
| 32 x 24 x 24" | ECT-32 Corrugated | 15/150 | 13.67 | 12.98 | 12.30 | 11.96 | 11.62 | |
| 32 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 13.80 | 13.11 | 12.42 | 12.08 | 11.73 | |
| 32 x 24 x 24" | ECT-48 Double Wall Corrugated | 5/75 | 16.92 | 16.07 | 15.23 | 14.81 | 14.38 | |
| 32 x 32 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 18.52 | 17.60 | 16.67 | 16.21 | 15.74 | |
| 32 x 32 x 12" | ECT-32 Single Wall Corrugated | 10/150 | 15.12 | 14.36 | 13.60 | 13.23 | 12.85 | |
| 32 x 32 x 32" | ECT-32 Single Wall Corrugated | 5/120 | 16.04 | 15.24 | 14.44 | 14.03 | 13.63 | |
| 32 x 32 x 32" | ECT-48 Double Wall Corrugated | 5/90 | 29.29 | 27.83 | 26.36 | 25.63 | 24.90 | |
| 33 x 8 1/2 x 5" | ECT-32 Single Wall Corrugated | 25/375 | 3.18 | 3.02 | 2.86 | 2.78 | 2.70 | |
| 34 x 10 x 6" | ECT-32 Single Wall Corrugated | 10/300 | 2.82 | 2.68 | 2.54 | 2.47 | 2.40 | |
| 34 x 21 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 9.95 | 9.45 | 8.95 | 8.71 | 8.46 | |
| 34 x 34 x 34" | ECT-32 Single Wall Corrugated | 5/120 | 18.08 | 17.17 | 16.27 | 15.82 | 15.36 | |