| 27 x 14 x 9" | ECT-32 Single Wall Corrugated | 20/240 | $3.42 | $3.32 | $3.32 | $3.11 | $3.11 | |
| 27 x 27 x 27" | ECT-32 Single Wall Corrugated | 5/120 | 9.93 | 9.64 | 9.64 | 9.05 | 9.05 | |
| 28 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/625 | 2.00 | 1.94 | 1.94 | 1.82 | 1.82 | |
| 28 x 5 x 24" | FOL | 10/120 | 5.26 | 5.10 | 5.10 | 4.79 | 4.79 | |
| 28 x 5 x 38" | FOL | 20/120 | 7.39 | 7.17 | 7.17 | 6.74 | 6.74 | |
| 28 x 6 x 6" | ECT-32 Single Wall Corrugated | 20/240 | 1.58 | 1.54 | 1.54 | 1.44 | 1.44 | |
| 28 x 6 x 20" | ECT-44 Single Wall Corrugated | 5/120 | 8.46 | 8.21 | 8.21 | 7.71 | 7.71 | |
| 28 x 6 x 52" | FOL | 5/120 | 13.76 | 13.35 | 13.35 | 12.54 | 12.54 | |
| 28 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.82 | 1.77 | 1.77 | 1.66 | 1.66 | |
| 28 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/300 | 2.75 | 2.67 | 2.67 | 2.51 | 2.51 | |
| 28 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/300 | 2.37 | 2.30 | 2.30 | 2.16 | 2.16 | |
| 28 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/300 | 4.01 | 3.89 | 3.89 | 3.65 | 3.65 | |
| 28 x 12 x 12" | ECT-32 Single Wall Corrugated | 20/240 | 3.02 | 2.93 | 2.93 | 2.75 | 2.75 | |
| 28 x 14 x 14" | ECT-32 Single Wall Corrugated | 20/120 | 3.82 | 3.71 | 3.71 | 3.49 | 3.49 | |
| 28 x 16 x 5" | ECT-32 Single Wall Corrugated | 25/300 | 4.88 | 4.74 | 4.74 | 4.45 | 4.45 | |
| 28 x 16 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 3.36 | 3.26 | 3.26 | 3.07 | 3.07 | |
| 28 x 16 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 3.69 | 3.58 | 3.58 | 3.36 | 3.36 | |
| 28 x 16 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 3.95 | 3.83 | 3.83 | 3.60 | 3.60 | |
| 28 x 16 x 14" | ECT-32 Single Wall Corrugated | 15/120 | 4.48 | 4.35 | 4.35 | 4.09 | 4.09 | |
| 28 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 3.30 | 3.21 | 3.21 | 3.01 | 3.01 | |
| 28 x 18 x 6" | ECT-32 Single Wall Corrugated | 20/140 | 6.18 | 6.00 | 6.00 | 5.63 | 5.63 | |
| 28 x 18 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 5.10 | 4.95 | 4.95 | 4.65 | 4.65 | |
| 28 x 18 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.45 | 5.29 | 5.29 | 4.97 | 4.97 | |
| 28 x 18 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 4.24 | 4.12 | 4.12 | 3.87 | 3.87 | |
| 28 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/150 | 5.32 | 5.17 | 5.17 | 4.85 | 4.85 | |
| 28 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 12.94 | 12.56 | 12.56 | 11.80 | 11.80 | |
| 28 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.86 | 6.66 | 6.66 | 6.25 | 6.25 | |
| 28 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.79 | 4.65 | 4.65 | 4.37 | 4.37 | |
| 28 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 5.72 | 5.56 | 5.56 | 5.22 | 5.22 | |
| 28 x 20 x 24" | 22,20,18,16,14" | 10/120 | 10.73 | 10.42 | 10.42 | 9.79 | 9.79 | |
| 28 x 20 x 25" | ECT-32 Single Wall Corrugated | 10/120 | 7.20 | 6.99 | 6.99 | 6.56 | 6.56 | |
| 28 x 24 x 6" | ECT-32 Single Wall Corrugated | 10/240 | 5.06 | 4.91 | 4.91 | 4.62 | 4.62 | |
| 28 x 24 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 12.93 | 12.55 | 12.55 | 11.79 | 11.79 | |
| 28 x 28 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 6.60 | 6.41 | 6.41 | 6.02 | 6.02 | |
| 28 x 28 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 13.00 | 12.62 | 12.62 | 11.85 | 11.85 | |
| 28 x 28 x 10" | ECT-32 Single Wall Corrugated | 10/150 | 12.32 | 11.96 | 11.96 | 11.23 | 11.23 | |
| 28 x 28 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 7.41 | 7.19 | 7.19 | 6.75 | 6.75 | |
| 28 x 28 x 12" | ECT-48 Double Wall Corrugated | 10/90 | 23.40 | 22.71 | 22.71 | 21.33 | 21.33 | |
| 28 x 28 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 9.45 | 9.17 | 9.17 | 8.62 | 8.62 | |
| 28 x 28 x 22" | ECT-32 Single Wall Corrugated | 10/150 | 14.16 | 13.75 | 13.75 | 12.91 | 12.91 | |
| 28 x 28 x 28" | ECT-32 Single Wall Corrugated | 5/120 | 10.94 | 10.62 | 10.62 | 9.98 | 9.98 | |
| 28 x 28 x 28" | ECT-48 Double Wall Corrugated | 5/90 | 24.30 | 23.58 | 23.58 | 22.15 | 22.15 | |
| 29 x 17 x 3" | ECT-32 Single Wall Corrugated | 25/300 | 5.06 | 4.91 | 4.91 | 4.61 | 4.61 | |
| 29 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 3.35 | 3.25 | 3.25 | 3.06 | 3.06 | |
| 29 x 17 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 5.88 | 5.71 | 5.71 | 5.36 | 5.36 | |
| 29 x 17 x 9" | ECT-32 Single Wall Corrugated | 15/150 | 3.81 | 3.69 | 3.69 | 3.47 | 3.47 | |
| 29 x 17 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.53 | 4.39 | 4.39 | 4.13 | 4.13 | |
| 29 x 17 x 15" | ECT-32 Single Wall Corrugated | 15/150 | 4.83 | 4.69 | 4.69 | 4.41 | 4.41 | |
| 29 x 17 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 5.92 | 5.75 | 5.75 | 5.40 | 5.40 | |
| 29 x 24 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 15.28 | 14.83 | 14.83 | 13.93 | 13.93 | |
| 30 x 5 x 24" | FOL | 10/120 | 4.20 | 4.07 | 4.07 | 3.83 | 3.83 | |
| 30 x 5 x 30" | FOL | 10/120 | 4.62 | 4.48 | 4.48 | 4.21 | 4.21 | |
| 30 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/375 | 1.68 | 1.63 | 1.63 | 1.53 | 1.53 | |
| 30 x 6 x 24" | ECT-44 Corrugated | 10/140 | 10.00 | 9.70 | 9.70 | 9.11 | 9.11 | |
| 30 x 6 x 24" | Inside Telescopic HSC | 10/150 | 6.29 | 6.10 | 6.10 | 5.73 | 5.73 | |
| 30 x 6 x 30" | ECT-44 Corrugated | 10/120 | 11.69 | 11.34 | 11.34 | 10.66 | 10.66 | |
| 30 x 6 x 40" | ECT-44 Corrugated | 10/140 | 14.44 | 14.01 | 14.01 | 13.16 | 13.16 | |
| 30 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 2.03 | 1.97 | 1.97 | 1.85 | 1.85 | |
| 30 x 10 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 2.50 | 2.42 | 2.42 | 2.28 | 2.28 | |
| 30 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/375 | 3.95 | 3.83 | 3.83 | 3.60 | 3.60 | |
| 30 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 4.02 | 3.90 | 3.90 | 3.66 | 3.66 | |
| 30 x 12 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 3.32 | 3.23 | 3.23 | 3.03 | 3.03 | |
| 30 x 13 x 13" | ECT-32 Single Wall Corrugated | 20/240 | 5.61 | 5.45 | 5.45 | 5.12 | 5.12 | |
| 30 x 14 x 7" | ECT-32 Single Wall Corrugated | 10/120 | 2.88 | 2.80 | 2.80 | 2.63 | 2.63 | |
| 30 x 14 x 10" | ECT-32 Single Wall Corrugated | 10/120 | 3.32 | 3.23 | 3.23 | 3.03 | 3.03 | |
| 30 x 15 x 15" | ECT-32 Single Wall Corrugated | 15/120 | 4.35 | 4.22 | 4.22 | 3.97 | 3.97 | |
| 30 x 15 x 15" | ECT-48 Double Wall Corrugated | 10/90 | 11.62 | 11.28 | 11.28 | 10.59 | 10.59 | |
| 30 x 17 x 16" | ECT-32 Single Wall Corrugated | 15/150 | 4.72 | 4.58 | 4.58 | 4.30 | 4.30 | |
| 30 x 17 x 16" | 14,12,10" | 15/150 | 5.29 | 5.13 | 5.13 | 4.82 | 4.82 | |
| 30 x 17 x 17" | ECT-51 Double Wall Corrugated | 5/75 | 9.23 | 8.96 | 8.96 | 8.41 | 8.41 | |
| 30 x 18 x 16" | ECT-32 Corrugated | 15/150 | 8.47 | 8.22 | 8.22 | 7.72 | 7.72 | |
| 30 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/120 | 5.49 | 5.33 | 5.33 | 5.00 | 5.00 | |
| 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 | 3.97 | 3.85 | 3.85 | 3.62 | 3.62 | |
| 30 x 20 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 6.31 | 6.13 | 6.13 | 5.76 | 5.76 | |
| 30 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.11 | 4.96 | 4.96 | 4.66 | 4.66 | |
| 30 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 5.27 | 5.12 | 5.12 | 4.81 | 4.81 | |
| 30 x 20 x 18" | ECT-32 Single Wall Corrugated | 15/150 | 9.33 | 9.06 | 9.06 | 8.51 | 8.51 | |
| 30 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 6.32 | 6.14 | 6.14 | 5.77 | 5.77 | |
| 30 x 20 x 20" | ECT-44 - 18,16,14,12" | 10/120 | 8.57 | 8.32 | 8.32 | 7.82 | 7.82 | |
| 30 x 20 x 20" | ECT-48 Double Wall Corrugated | 10/70 | 11.62 | 11.28 | 11.28 | 10.60 | 10.60 | |
| 30 x 24 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 7.43 | 7.21 | 7.21 | 6.77 | 6.77 | |
| 30 x 24 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 6.66 | 6.46 | 6.46 | 6.07 | 6.07 | |
| 30 x 24 x 12" | 10,8,6,4" | 15/120 | 8.30 | 8.06 | 8.06 | 7.57 | 7.57 | |
| 30 x 24 x 12" | ECT-48 Double Wall Corrugated | 10/70 | 10.66 | 10.34 | 10.34 | 9.72 | 9.72 | |
| 30 x 24 x 20" | ECT-32 Single Wall Corrugated | 15/150 | 10.51 | 10.20 | 10.20 | 9.58 | 9.58 | |
| 30 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 12.58 | 12.21 | 12.21 | 11.47 | 11.47 | |
| 30 x 26 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 12.26 | 11.90 | 11.90 | 11.18 | 11.18 | |
| 30 x 30 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 8.45 | 8.20 | 8.20 | 7.71 | 7.71 | |
| 30 x 30 x 8" | ECT-32 Single Wall Corrugated | 10/120 | 7.57 | 7.35 | 7.35 | 6.90 | 6.90 | |
| 30 x 30 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 8.64 | 8.39 | 8.39 | 7.88 | 7.88 | |
| 30 x 30 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 10.02 | 9.73 | 9.73 | 9.14 | 9.14 | |
| 30 x 30 x 12" | ECT-48 Double Wall Corrugated | 5/75 | 17.62 | 17.11 | 17.11 | 16.07 | 16.07 | |
| 30 x 30 x 16" | ECT-32 Single Wall Corrugated | 10/120 | 8.87 | 8.61 | 8.61 | 8.09 | 8.09 | |
| 30 x 30 x 16" | ECT-48 Double Wall Corrugated | 5/90 | 18.71 | 18.16 | 18.16 | 17.06 | 17.06 | |
| 30 x 30 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 16.52 | 16.04 | 16.04 | 15.07 | 15.07 | |
| 30 x 30 x 20" | ECT-48 Double Wall Corrugated | 5/90 | 21.08 | 20.46 | 20.46 | 19.22 | 19.22 | |
| 30 x 30 x 25" | ECT-32 Single Wall Corrugated | 5/120 | 10.64 | 10.33 | 10.33 | 9.70 | 9.70 | |
| 30 x 30 x 30" | ECT-32 Single Wall Corrugated | 5/120 | 13.27 | 12.88 | 12.88 | 12.10 | 12.10 | |
| 30 x 30 x 30" | ECT-48 Double Wall Corrugated | 5/75 | 20.96 | 20.35 | 20.35 | 19.11 | 19.11 | |
| 30 x 30 x 30" | ECT-90 Triple Wall Corrugated | 5/30 | 56.75 | 55.09 | 55.09 | 51.75 | 51.75 | |
| 30 1/2 x 6 1/2 x 24" | Outside Telescopic HSC | 10/150 | 6.57 | 6.38 | 6.38 | 5.99 | 5.99 | |
| 31 x 16 x 9" | ECT-32 Corrugated | 10/120 | 5.83 | 5.66 | 5.66 | 5.31 | 5.31 | |
| 32 x 6 x 6" | ECT-32 Corrugated | 25/375 | 1.77 | 1.72 | 1.72 | 1.62 | 1.62 | |
| 32 x 8 x 8" | ECT-32 Corrugated | 25/375 | 2.00 | 1.94 | 1.94 | 1.82 | 1.82 | |
| 32 x 10 x 6 1/2" | ECT-32 Corrugated | 20/240 | 3.49 | 3.38 | 3.38 | 3.18 | 3.18 | |
| 32 x 10 x 10" | ECT-32 Corrugated | 20/240 | 4.20 | 4.08 | 4.08 | 3.83 | 3.83 | |
| 32 x 12 x 10" | ECT-32 Corrugated | 20/240 | 3.09 | 3.00 | 3.00 | 2.81 | 2.81 | |
| 32 x 12 x 12" | ECT-32 Corrugated | 20/240 | 3.26 | 3.17 | 3.17 | 2.98 | 2.98 | |
| 32 x 16 x 16" | ECT-32 Corrugated | 15/150 | 7.73 | 7.51 | 7.51 | 7.05 | 7.05 | |
| 32 x 18 x 8" | ECT-32 Corrugated | 15/150 | 4.29 | 4.17 | 4.17 | 3.92 | 3.92 | |
| 32 x 18 x 12" | ECT-32 Corrugated | 15/150 | 5.08 | 4.93 | 4.93 | 4.63 | 4.63 | |
| 32 x 18 x 18" | ECT-32 Corrugated | 15/150 | 6.74 | 6.54 | 6.54 | 6.15 | 6.15 | |
| 32 x 24 x 24" | ECT-32 Corrugated | 15/150 | 11.62 | 11.28 | 11.28 | 10.59 | 10.59 | |
| 32 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 11.73 | 11.39 | 11.39 | 10.70 | 10.70 | |
| 32 x 24 x 24" | ECT-48 Double Wall Corrugated | 5/75 | 14.38 | 13.96 | 13.96 | 13.11 | 13.11 | |
| 32 x 32 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 15.74 | 15.28 | 15.28 | 14.36 | 14.36 | |
| 32 x 32 x 12" | ECT-32 Single Wall Corrugated | 10/150 | 12.85 | 12.47 | 12.47 | 11.71 | 11.71 | |
| 32 x 32 x 32" | ECT-32 Single Wall Corrugated | 5/120 | 13.73 | 13.33 | 13.33 | 12.52 | 12.52 | |
| 32 x 32 x 32" | ECT-48 Double Wall Corrugated | 5/90 | 24.90 | 24.16 | 24.16 | 22.70 | 22.70 | |
| 33 x 8 1/2 x 5" | ECT-32 Single Wall Corrugated | 25/375 | 2.70 | 2.62 | 2.62 | 2.46 | 2.46 | |
| 34 x 10 x 6" | ECT-32 Single Wall Corrugated | 10/300 | 2.40 | 2.33 | 2.33 | 2.19 | 2.19 | |
| 34 x 21 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 8.46 | 8.21 | 8.21 | 7.71 | 7.71 | |
| 34 x 34 x 34" | ECT-32 Single Wall Corrugated | 5/120 | 15.60 | 15.14 | 15.14 | 14.22 | 14.22 | |