| 27 x 14 x 9" | ECT-32 Single Wall Corrugated | 20/240 | $2.87 | $2.68 | $2.48 | $2.39 | $2.29 | |
| 27 x 27 x 27" | ECT-32 Single Wall Corrugated | 5/120 | 8.93 | 8.33 | 7.74 | 7.44 | 7.14 | |
| 28 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/625 | 1.50 | 1.40 | 1.30 | 1.25 | 1.20 | |
| 28 x 5 x 24" | FOL | 10/120 | 4.92 | 4.59 | 4.26 | 4.10 | 3.93 | |
| 28 x 5 x 38" | FOL | 20/120 | 5.38 | 5.02 | 4.66 | 4.48 | 4.30 | |
| 28 x 6 x 6" | ECT-32 Single Wall Corrugated | 20/240 | 1.48 | 1.38 | 1.28 | 1.23 | 1.18 | |
| 28 x 6 x 20" | ECT-44 Single Wall Corrugated | 5/120 | 6.90 | 6.44 | 5.98 | 5.75 | 5.52 | |
| 28 x 6 x 52" | FOL | 5/120 | 10.30 | 9.62 | 8.93 | 8.59 | 8.24 | |
| 28 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.70 | 1.59 | 1.48 | 1.42 | 1.36 | |
| 28 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/300 | 2.45 | 2.29 | 2.12 | 2.04 | 1.96 | |
| 28 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/300 | 2.17 | 2.03 | 1.88 | 1.81 | 1.74 | |
| 28 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/300 | 2.84 | 2.65 | 2.46 | 2.37 | 2.27 | |
| 28 x 12 x 12" | ECT-32 Single Wall Corrugated | 20/240 | 2.82 | 2.63 | 2.45 | 2.35 | 2.26 | |
| 28 x 14 x 14" | ECT-32 Single Wall Corrugated | 20/120 | 3.58 | 3.34 | 3.10 | 2.98 | 2.86 | |
| 28 x 16 x 5" | ECT-32 Single Wall Corrugated | 25/300 | 3.66 | 3.42 | 3.17 | 3.05 | 2.93 | |
| 28 x 16 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 3.15 | 2.94 | 2.73 | 2.62 | 2.52 | |
| 28 x 16 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 3.42 | 3.19 | 2.97 | 2.85 | 2.74 | |
| 28 x 16 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 3.69 | 3.45 | 3.20 | 3.08 | 2.95 | |
| 28 x 16 x 14" | ECT-32 Single Wall Corrugated | 15/120 | 4.19 | 3.91 | 3.63 | 3.49 | 3.35 | |
| 28 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 2.92 | 2.73 | 2.53 | 2.44 | 2.34 | |
| 28 x 18 x 6" | ECT-32 Single Wall Corrugated | 20/140 | 3.74 | 3.49 | 3.24 | 3.11 | 2.99 | |
| 28 x 18 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 4.00 | 3.74 | 3.47 | 3.34 | 3.20 | |
| 28 x 18 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 4.31 | 4.02 | 3.73 | 3.59 | 3.45 | |
| 28 x 18 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 3.97 | 3.70 | 3.44 | 3.31 | 3.18 | |
| 28 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/150 | 4.34 | 4.05 | 3.76 | 3.62 | 3.47 | |
| 28 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 9.37 | 8.75 | 8.12 | 7.81 | 7.50 | |
| 28 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 4.72 | 4.40 | 4.09 | 3.93 | 3.77 | |
| 28 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.48 | 4.18 | 3.88 | 3.74 | 3.59 | |
| 28 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 5.35 | 5.00 | 4.64 | 4.46 | 4.28 | |
| 28 x 20 x 24" | 22,20,18,16,14" | 10/120 | 8.17 | 7.63 | 7.08 | 6.81 | 6.54 | |
| 28 x 20 x 25" | ECT-32 Single Wall Corrugated | 10/120 | 6.73 | 6.28 | 5.84 | 5.61 | 5.39 | |
| 28 x 24 x 6" | ECT-32 Single Wall Corrugated | 10/240 | 4.74 | 4.42 | 4.10 | 3.95 | 3.79 | |
| 28 x 24 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 7.24 | 6.76 | 6.28 | 6.04 | 5.79 | |
| 28 x 28 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 6.08 | 5.68 | 5.27 | 5.07 | 4.87 | |
| 28 x 28 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 6.30 | 5.88 | 5.46 | 5.25 | 5.04 | |
| 28 x 28 x 10" | ECT-32 Single Wall Corrugated | 10/150 | 6.53 | 6.09 | 5.66 | 5.44 | 5.22 | |
| 28 x 28 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 6.57 | 6.13 | 5.69 | 5.47 | 5.25 | |
| 28 x 28 x 12" | ECT-48 Double Wall Corrugated | 10/90 | 14.29 | 13.34 | 12.39 | 11.91 | 11.43 | |
| 28 x 28 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 8.50 | 7.94 | 7.37 | 7.09 | 6.80 | |
| 28 x 28 x 22" | ECT-32 Single Wall Corrugated | 10/150 | 8.93 | 8.33 | 7.74 | 7.44 | 7.14 | |
| 28 x 28 x 28" | ECT-32 Single Wall Corrugated | 5/120 | 9.88 | 9.22 | 8.56 | 8.23 | 7.91 | |
| 28 x 28 x 28" | ECT-48 Double Wall Corrugated | 5/90 | 19.89 | 18.56 | 17.24 | 16.58 | 15.91 | |
| 29 x 17 x 3" | ECT-32 Single Wall Corrugated | 25/300 | 4.02 | 3.76 | 3.49 | 3.35 | 3.22 | |
| 29 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 3.13 | 2.92 | 2.72 | 2.61 | 2.51 | |
| 29 x 17 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 3.79 | 3.53 | 3.28 | 3.16 | 3.03 | |
| 29 x 17 x 9" | ECT-32 Single Wall Corrugated | 15/150 | 3.56 | 3.32 | 3.08 | 2.97 | 2.85 | |
| 29 x 17 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.21 | 3.93 | 3.65 | 3.51 | 3.37 | |
| 29 x 17 x 15" | ECT-32 Single Wall Corrugated | 15/150 | 4.50 | 4.20 | 3.90 | 3.75 | 3.60 | |
| 29 x 17 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 5.23 | 4.88 | 4.53 | 4.36 | 4.18 | |
| 29 x 24 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 9.64 | 9.00 | 8.36 | 8.04 | 7.72 | |
| 30 x 5 x 24" | FOL | 10/120 | 3.64 | 3.40 | 3.16 | 3.04 | 2.92 | |
| 30 x 5 x 30" | FOL | 10/120 | 4.32 | 4.03 | 3.74 | 3.60 | 3.45 | |
| 30 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/375 | 1.54 | 1.44 | 1.33 | 1.28 | 1.23 | |
| 30 x 6 x 24" | ECT-44 Corrugated | 10/140 | 7.59 | 7.08 | 6.57 | 6.32 | 6.07 | |
| 30 x 6 x 24" | Inside Telescopic HSC | 10/150 | 5.80 | 5.42 | 5.03 | 4.84 | 4.64 | |
| 30 x 6 x 30" | ECT-44 Corrugated | 10/120 | 8.84 | 8.25 | 7.66 | 7.36 | 7.07 | |
| 30 x 6 x 40" | ECT-44 Corrugated | 10/140 | 10.88 | 10.15 | 9.43 | 9.06 | 8.70 | |
| 30 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.90 | 1.77 | 1.65 | 1.58 | 1.52 | |
| 30 x 10 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 2.33 | 2.18 | 2.02 | 1.94 | 1.87 | |
| 30 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/375 | 2.95 | 2.75 | 2.55 | 2.45 | 2.36 | |
| 30 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 3.00 | 2.80 | 2.60 | 2.50 | 2.40 | |
| 30 x 12 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 2.94 | 2.74 | 2.54 | 2.45 | 2.35 | |
| 30 x 13 x 13" | ECT-32 Single Wall Corrugated | 20/240 | 3.67 | 3.43 | 3.18 | 3.06 | 2.94 | |
| 30 x 14 x 7" | ECT-32 Single Wall Corrugated | 10/120 | 2.70 | 2.52 | 2.34 | 2.25 | 2.16 | |
| 30 x 14 x 10" | ECT-32 Single Wall Corrugated | 10/120 | 3.11 | 2.90 | 2.69 | 2.59 | 2.49 | |
| 30 x 15 x 15" | ECT-32 Single Wall Corrugated | 15/120 | 4.07 | 3.80 | 3.53 | 3.39 | 3.25 | |
| 30 x 15 x 15" | ECT-48 Double Wall Corrugated | 10/90 | 8.71 | 8.13 | 7.55 | 7.26 | 6.97 | |
| 30 x 17 x 16" | ECT-32 Single Wall Corrugated | 15/150 | 4.41 | 4.12 | 3.83 | 3.68 | 3.53 | |
| 30 x 17 x 16" | 14,12,10" | 15/150 | 4.95 | 4.62 | 4.29 | 4.12 | 3.96 | |
| 30 x 17 x 17" | ECT-51 Double Wall Corrugated | 5/75 | 8.39 | 7.83 | 7.27 | 6.99 | 6.71 | |
| 30 x 18 x 16" | ECT-32 Corrugated | 15/150 | 5.16 | 4.82 | 4.48 | 4.30 | 4.13 | |
| 30 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/120 | 5.13 | 4.79 | 4.45 | 4.28 | 4.11 | |
| 30 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 11.04 | 10.31 | 9.57 | 9.20 | 8.83 | |
| 30 x 20 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 3.68 | 3.44 | 3.19 | 3.07 | 2.95 | |
| 30 x 20 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 4.00 | 3.74 | 3.47 | 3.34 | 3.20 | |
| 30 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 4.23 | 3.95 | 3.67 | 3.53 | 3.39 | |
| 30 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.51 | 4.21 | 3.91 | 3.76 | 3.61 | |
| 30 x 20 x 18" | ECT-32 Single Wall Corrugated | 15/150 | 6.04 | 5.64 | 5.24 | 5.04 | 4.83 | |
| 30 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 5.92 | 5.52 | 5.13 | 4.93 | 4.73 | |
| 30 x 20 x 20" | ECT-44 - 18,16,14,12" | 10/120 | 7.80 | 7.28 | 6.76 | 6.50 | 6.24 | |
| 30 x 20 x 20" | ECT-48 Double Wall Corrugated | 10/70 | 10.81 | 10.09 | 9.37 | 9.01 | 8.65 | |
| 30 x 24 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.32 | 4.96 | 4.61 | 4.43 | 4.25 | |
| 30 x 24 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 5.53 | 5.16 | 4.80 | 4.61 | 4.43 | |
| 30 x 24 x 12" | 10,8,6,4" | 15/120 | 6.08 | 5.68 | 5.27 | 5.07 | 4.87 | |
| 30 x 24 x 12" | ECT-48 Double Wall Corrugated | 10/70 | 9.97 | 9.30 | 8.64 | 8.31 | 7.97 | |
| 30 x 24 x 20" | ECT-32 Single Wall Corrugated | 15/150 | 7.51 | 7.01 | 6.51 | 6.26 | 6.01 | |
| 30 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 10.49 | 9.79 | 9.09 | 8.74 | 8.39 | |
| 30 x 26 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 8.95 | 8.35 | 7.76 | 7.46 | 7.16 | |
| 30 x 30 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 6.80 | 6.34 | 5.89 | 5.66 | 5.44 | |
| 30 x 30 x 8" | ECT-32 Single Wall Corrugated | 10/120 | 7.00 | 6.54 | 6.07 | 5.84 | 5.60 | |
| 30 x 30 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 7.28 | 6.79 | 6.31 | 6.07 | 5.82 | |
| 30 x 30 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 7.46 | 6.96 | 6.46 | 6.22 | 5.97 | |
| 30 x 30 x 12" | ECT-48 Double Wall Corrugated | 5/75 | 15.27 | 14.26 | 13.24 | 12.73 | 12.22 | |
| 30 x 30 x 16" | ECT-32 Single Wall Corrugated | 10/120 | 7.83 | 7.31 | 6.78 | 6.52 | 6.26 | |
| 30 x 30 x 16" | ECT-48 Double Wall Corrugated | 5/90 | 16.70 | 15.59 | 14.48 | 13.92 | 13.36 | |
| 30 x 30 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 9.28 | 8.66 | 8.04 | 7.74 | 7.43 | |
| 30 x 30 x 20" | ECT-48 Double Wall Corrugated | 5/90 | 19.16 | 17.89 | 16.61 | 15.97 | 15.33 | |
| 30 x 30 x 25" | ECT-32 Single Wall Corrugated | 5/120 | 9.95 | 9.29 | 8.63 | 8.30 | 7.96 | |
| 30 x 30 x 30" | ECT-32 Single Wall Corrugated | 5/120 | 11.33 | 10.58 | 9.82 | 9.45 | 9.07 | |
| 30 x 30 x 30" | ECT-48 Double Wall Corrugated | 5/75 | 19.61 | 18.30 | 16.99 | 16.34 | 15.68 | |
| 30 x 30 x 30" | ECT-90 Triple Wall Corrugated | 5/30 | 53.08 | 49.54 | 46.00 | 44.24 | 42.47 | |
| 30 1/2 x 6 1/2 x 24" | Outside Telescopic HSC | 10/150 | 6.09 | 5.68 | 5.28 | 5.07 | 4.87 | |
| 31 x 16 x 9" | ECT-32 Corrugated | 10/120 | 4.32 | 4.03 | 3.75 | 3.60 | 3.46 | |
| 32 x 6 x 6" | ECT-32 Corrugated | 25/375 | 1.66 | 1.55 | 1.44 | 1.38 | 1.33 | |
| 32 x 8 x 8" | ECT-32 Corrugated | 25/375 | 1.87 | 1.74 | 1.62 | 1.56 | 1.49 | |
| 32 x 10 x 6 1/2" | ECT-32 Corrugated | 20/240 | 2.17 | 2.02 | 1.88 | 1.81 | 1.73 | |
| 32 x 10 x 10" | ECT-32 Corrugated | 20/240 | 2.75 | 2.57 | 2.39 | 2.30 | 2.20 | |
| 32 x 12 x 10" | ECT-32 Corrugated | 20/240 | 2.89 | 2.69 | 2.50 | 2.41 | 2.31 | |
| 32 x 12 x 12" | ECT-32 Corrugated | 20/240 | 3.05 | 2.85 | 2.65 | 2.54 | 2.44 | |
| 32 x 16 x 16" | ECT-32 Corrugated | 15/150 | 4.76 | 4.44 | 4.12 | 3.96 | 3.80 | |
| 32 x 18 x 8" | ECT-32 Corrugated | 15/150 | 4.02 | 3.75 | 3.48 | 3.35 | 3.21 | |
| 32 x 18 x 12" | ECT-32 Corrugated | 15/150 | 4.46 | 4.17 | 3.87 | 3.72 | 3.57 | |
| 32 x 18 x 18" | ECT-32 Corrugated | 15/150 | 5.87 | 5.47 | 5.08 | 4.89 | 4.69 | |
| 32 x 24 x 24" | ECT-32 Corrugated | 15/150 | 8.71 | 8.13 | 7.55 | 7.26 | 6.97 | |
| 32 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 10.15 | 9.47 | 8.80 | 8.46 | 8.12 | |
| 32 x 24 x 24" | ECT-48 Double Wall Corrugated | 5/75 | 13.45 | 12.56 | 11.66 | 11.21 | 10.76 | |
| 32 x 32 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 9.37 | 8.75 | 8.12 | 7.81 | 7.50 | |
| 32 x 32 x 12" | ECT-32 Single Wall Corrugated | 10/150 | 9.63 | 8.98 | 8.34 | 8.02 | 7.70 | |
| 32 x 32 x 32" | ECT-32 Single Wall Corrugated | 5/120 | 12.84 | 11.99 | 11.13 | 10.70 | 10.27 | |
| 32 x 32 x 32" | ECT-48 Double Wall Corrugated | 5/90 | 23.29 | 21.73 | 20.18 | 19.40 | 18.63 | |
| 33 x 8 1/2 x 5" | ECT-32 Single Wall Corrugated | 25/375 | 2.30 | 2.14 | 1.99 | 1.91 | 1.84 | |
| 34 x 10 x 6" | ECT-32 Single Wall Corrugated | 10/300 | 2.24 | 2.09 | 1.94 | 1.87 | 1.79 | |
| 34 x 21 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 5.39 | 5.03 | 4.67 | 4.49 | 4.31 | |
| 34 x 34 x 34" | ECT-32 Single Wall Corrugated | 5/120 | 14.03 | 13.09 | 12.16 | 11.69 | 11.22 | |