| 27 x 14 x 9" | ECT-32 Single Wall Corrugated | 20/240 | $2.39 | $2.39 | $2.39 | $2.39 | $2.29 | |
| 27 x 27 x 27" | ECT-32 Single Wall Corrugated | 5/120 | 7.74 | 7.74 | 7.74 | 7.74 | 7.43 | |
| 28 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/625 | 1.56 | 1.56 | 1.56 | 1.56 | 1.50 | |
| 28 x 5 x 24" | FOL | 10/120 | 4.10 | 4.10 | 4.10 | 4.10 | 3.93 | |
| 28 x 5 x 38" | FOL | 20/120 | 5.76 | 5.76 | 5.76 | 5.76 | 5.53 | |
| 28 x 6 x 6" | ECT-32 Single Wall Corrugated | 20/240 | 1.23 | 1.23 | 1.23 | 1.23 | 1.18 | |
| 28 x 6 x 20" | ECT-44 Single Wall Corrugated | 5/120 | 7.25 | 7.25 | 7.25 | 7.25 | 6.96 | |
| 28 x 6 x 52" | FOL | 5/120 | 10.72 | 10.72 | 10.72 | 10.72 | 10.29 | |
| 28 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.42 | 1.42 | 1.42 | 1.42 | 1.36 | |
| 28 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/300 | 2.04 | 2.04 | 2.04 | 2.04 | 1.96 | |
| 28 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/300 | 1.81 | 1.81 | 1.81 | 1.81 | 1.74 | |
| 28 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/300 | 3.12 | 3.12 | 3.12 | 3.12 | 3.00 | |
| 28 x 12 x 12" | ECT-32 Single Wall Corrugated | 20/240 | 2.35 | 2.35 | 2.35 | 2.35 | 2.26 | |
| 28 x 14 x 14" | ECT-32 Single Wall Corrugated | 20/120 | 2.98 | 2.98 | 2.98 | 2.98 | 2.86 | |
| 28 x 16 x 5" | ECT-32 Single Wall Corrugated | 25/300 | 3.80 | 3.80 | 3.80 | 3.80 | 3.65 | |
| 28 x 16 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 2.62 | 2.62 | 2.62 | 2.62 | 2.52 | |
| 28 x 16 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 2.85 | 2.85 | 2.85 | 2.85 | 2.74 | |
| 28 x 16 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 3.08 | 3.08 | 3.08 | 3.08 | 2.95 | |
| 28 x 16 x 14" | ECT-32 Single Wall Corrugated | 15/120 | 3.49 | 3.49 | 3.49 | 3.49 | 3.35 | |
| 28 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 2.44 | 2.44 | 2.44 | 2.44 | 2.34 | |
| 28 x 18 x 6" | ECT-32 Single Wall Corrugated | 20/140 | 4.82 | 4.82 | 4.82 | 4.82 | 4.62 | |
| 28 x 18 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 3.97 | 3.97 | 3.97 | 3.97 | 3.81 | |
| 28 x 18 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 4.25 | 4.25 | 4.25 | 4.25 | 4.08 | |
| 28 x 18 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 3.31 | 3.31 | 3.31 | 3.31 | 3.18 | |
| 28 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/150 | 3.62 | 3.62 | 3.62 | 3.62 | 3.47 | |
| 28 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 10.09 | 10.09 | 10.09 | 10.09 | 9.68 | |
| 28 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.35 | 5.35 | 5.35 | 5.35 | 5.13 | |
| 28 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 3.74 | 3.74 | 3.74 | 3.74 | 3.59 | |
| 28 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 4.46 | 4.46 | 4.46 | 4.46 | 4.28 | |
| 28 x 20 x 24" | 22,20,18,16,14" | 10/120 | 8.21 | 8.21 | 8.21 | 8.21 | 7.88 | |
| 28 x 20 x 25" | ECT-32 Single Wall Corrugated | 10/120 | 5.61 | 5.61 | 5.61 | 5.61 | 5.39 | |
| 28 x 24 x 6" | ECT-32 Single Wall Corrugated | 10/240 | 3.95 | 3.95 | 3.95 | 3.95 | 3.79 | |
| 28 x 24 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 10.08 | 10.08 | 10.08 | 10.08 | 9.67 | |
| 28 x 28 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 5.15 | 5.15 | 5.15 | 5.15 | 4.94 | |
| 28 x 28 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 10.13 | 10.13 | 10.13 | 10.13 | 9.73 | |
| 28 x 28 x 10" | ECT-32 Single Wall Corrugated | 10/150 | 9.60 | 9.60 | 9.60 | 9.60 | 9.22 | |
| 28 x 28 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 5.77 | 5.77 | 5.77 | 5.77 | 5.54 | |
| 28 x 28 x 12" | ECT-48 Double Wall Corrugated | 10/90 | 18.24 | 18.24 | 18.24 | 18.24 | 17.51 | |
| 28 x 28 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 7.21 | 7.21 | 7.21 | 7.21 | 6.93 | |
| 28 x 28 x 22" | ECT-32 Single Wall Corrugated | 10/150 | 11.04 | 11.04 | 11.04 | 11.04 | 10.60 | |
| 28 x 28 x 28" | ECT-32 Single Wall Corrugated | 5/120 | 8.35 | 8.35 | 8.35 | 8.35 | 8.01 | |
| 28 x 28 x 28" | ECT-48 Double Wall Corrugated | 5/90 | 18.94 | 18.94 | 18.94 | 18.94 | 18.18 | |
| 29 x 17 x 3" | ECT-32 Single Wall Corrugated | 25/300 | 3.94 | 3.94 | 3.94 | 3.94 | 3.78 | |
| 29 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 2.61 | 2.61 | 2.61 | 2.61 | 2.51 | |
| 29 x 17 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 4.58 | 4.58 | 4.58 | 4.58 | 4.40 | |
| 29 x 17 x 9" | ECT-32 Single Wall Corrugated | 15/150 | 2.97 | 2.97 | 2.97 | 2.97 | 2.85 | |
| 29 x 17 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 3.51 | 3.51 | 3.51 | 3.51 | 3.37 | |
| 29 x 17 x 15" | ECT-32 Single Wall Corrugated | 15/150 | 3.75 | 3.75 | 3.75 | 3.75 | 3.60 | |
| 29 x 17 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 4.62 | 4.62 | 4.62 | 4.62 | 4.43 | |
| 29 x 24 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 11.91 | 11.91 | 11.91 | 11.91 | 11.43 | |
| 30 x 5 x 24" | FOL | 10/120 | 3.04 | 3.04 | 3.04 | 3.04 | 2.92 | |
| 30 x 5 x 30" | FOL | 10/120 | 3.60 | 3.60 | 3.60 | 3.60 | 3.45 | |
| 30 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/375 | 1.28 | 1.28 | 1.28 | 1.28 | 1.23 | |
| 30 x 6 x 24" | ECT-44 Corrugated | 10/140 | 7.79 | 7.79 | 7.79 | 7.79 | 7.48 | |
| 30 x 6 x 24" | Inside Telescopic HSC | 10/150 | 4.84 | 4.84 | 4.84 | 4.84 | 4.64 | |
| 30 x 6 x 30" | ECT-44 Corrugated | 10/120 | 9.11 | 9.11 | 9.11 | 9.11 | 8.74 | |
| 30 x 6 x 40" | ECT-44 Corrugated | 10/140 | 11.25 | 11.25 | 11.25 | 11.25 | 10.80 | |
| 30 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.58 | 1.58 | 1.58 | 1.58 | 1.52 | |
| 30 x 10 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 1.95 | 1.95 | 1.95 | 1.95 | 1.87 | |
| 30 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/375 | 3.08 | 3.08 | 3.08 | 3.08 | 2.95 | |
| 30 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 3.13 | 3.13 | 3.13 | 3.13 | 3.01 | |
| 30 x 12 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 2.45 | 2.45 | 2.45 | 2.45 | 2.35 | |
| 30 x 13 x 13" | ECT-32 Single Wall Corrugated | 20/240 | 4.38 | 4.38 | 4.38 | 4.38 | 4.20 | |
| 30 x 14 x 7" | ECT-32 Single Wall Corrugated | 10/120 | 2.25 | 2.25 | 2.25 | 2.25 | 2.16 | |
| 30 x 14 x 10" | ECT-32 Single Wall Corrugated | 10/120 | 2.59 | 2.59 | 2.59 | 2.59 | 2.49 | |
| 30 x 15 x 15" | ECT-32 Single Wall Corrugated | 15/120 | 3.39 | 3.39 | 3.39 | 3.39 | 3.25 | |
| 30 x 15 x 15" | ECT-48 Double Wall Corrugated | 10/90 | 9.05 | 9.05 | 9.05 | 9.05 | 8.69 | |
| 30 x 17 x 16" | ECT-32 Single Wall Corrugated | 15/150 | 3.68 | 3.68 | 3.68 | 3.68 | 3.53 | |
| 30 x 17 x 16" | 14,12,10" | 15/150 | 4.12 | 4.12 | 4.12 | 4.12 | 3.96 | |
| 30 x 17 x 17" | ECT-51 Double Wall Corrugated | 5/75 | 6.99 | 6.99 | 6.99 | 6.99 | 6.71 | |
| 30 x 18 x 16" | ECT-32 Corrugated | 15/150 | 6.60 | 6.60 | 6.60 | 6.60 | 6.34 | |
| 30 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/120 | 4.28 | 4.28 | 4.28 | 4.28 | 4.11 | |
| 30 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 11.45 | 11.45 | 11.45 | 11.45 | 10.99 | |
| 30 x 20 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 3.09 | 3.09 | 3.09 | 3.09 | 2.97 | |
| 30 x 20 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 4.92 | 4.92 | 4.92 | 4.92 | 4.72 | |
| 30 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 3.73 | 3.73 | 3.73 | 3.73 | 3.58 | |
| 30 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.11 | 4.11 | 4.11 | 4.11 | 3.94 | |
| 30 x 20 x 18" | ECT-32 Single Wall Corrugated | 15/150 | 7.27 | 7.27 | 7.27 | 7.27 | 6.98 | |
| 30 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 4.93 | 4.93 | 4.93 | 4.93 | 4.73 | |
| 30 x 20 x 20" | ECT-44 - 18,16,14,12" | 10/120 | 6.68 | 6.68 | 6.68 | 6.68 | 6.41 | |
| 30 x 20 x 20" | ECT-48 Double Wall Corrugated | 10/70 | 9.01 | 9.01 | 9.01 | 9.01 | 8.65 | |
| 30 x 24 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.67 | 5.67 | 5.67 | 5.67 | 5.44 | |
| 30 x 24 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 5.19 | 5.19 | 5.19 | 5.19 | 4.98 | |
| 30 x 24 x 12" | 10,8,6,4" | 15/120 | 6.47 | 6.47 | 6.47 | 6.47 | 6.21 | |
| 30 x 24 x 12" | ECT-48 Double Wall Corrugated | 10/70 | 8.31 | 8.31 | 8.31 | 8.31 | 7.97 | |
| 30 x 24 x 20" | ECT-32 Single Wall Corrugated | 15/150 | 7.94 | 7.94 | 7.94 | 7.94 | 7.63 | |
| 30 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 10.27 | 10.27 | 10.27 | 10.27 | 9.86 | |
| 30 x 26 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 9.56 | 9.56 | 9.56 | 9.56 | 9.18 | |
| 30 x 30 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 6.59 | 6.59 | 6.59 | 6.59 | 6.32 | |
| 30 x 30 x 8" | ECT-32 Single Wall Corrugated | 10/120 | 5.84 | 5.84 | 5.84 | 5.84 | 5.60 | |
| 30 x 30 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.54 | 6.54 | 6.54 | 6.54 | 6.28 | |
| 30 x 30 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 7.81 | 7.81 | 7.81 | 7.81 | 7.50 | |
| 30 x 30 x 12" | ECT-48 Double Wall Corrugated | 5/75 | 13.74 | 13.74 | 13.74 | 13.74 | 13.19 | |
| 30 x 30 x 16" | ECT-32 Single Wall Corrugated | 10/120 | 6.91 | 6.91 | 6.91 | 6.91 | 6.64 | |
| 30 x 30 x 16" | ECT-48 Double Wall Corrugated | 5/90 | 14.58 | 14.58 | 14.58 | 14.58 | 14.00 | |
| 30 x 30 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 12.88 | 12.88 | 12.88 | 12.88 | 12.36 | |
| 30 x 30 x 20" | ECT-48 Double Wall Corrugated | 5/90 | 16.43 | 16.43 | 16.43 | 16.43 | 15.78 | |
| 30 x 30 x 25" | ECT-32 Single Wall Corrugated | 5/120 | 8.30 | 8.30 | 8.30 | 8.30 | 7.96 | |
| 30 x 30 x 30" | ECT-32 Single Wall Corrugated | 5/120 | 9.91 | 9.91 | 9.91 | 9.91 | 9.52 | |
| 30 x 30 x 30" | ECT-48 Double Wall Corrugated | 5/75 | 16.34 | 16.34 | 16.34 | 16.34 | 15.68 | |
| 30 x 30 x 30" | ECT-90 Triple Wall Corrugated | 5/30 | 44.24 | 44.24 | 44.24 | 44.24 | 42.47 | |
| 30 1/2 x 6 1/2 x 24" | Outside Telescopic HSC | 10/150 | 5.07 | 5.07 | 5.07 | 5.07 | 4.87 | |
| 31 x 16 x 9" | ECT-32 Corrugated | 10/120 | 4.54 | 4.54 | 4.54 | 4.54 | 4.36 | |
| 32 x 6 x 6" | ECT-32 Corrugated | 25/375 | 1.38 | 1.38 | 1.38 | 1.38 | 1.33 | |
| 32 x 8 x 8" | ECT-32 Corrugated | 25/375 | 1.56 | 1.56 | 1.56 | 1.56 | 1.49 | |
| 32 x 10 x 6 1/2" | ECT-32 Corrugated | 20/240 | 2.72 | 2.72 | 2.72 | 2.72 | 2.61 | |
| 32 x 10 x 10" | ECT-32 Corrugated | 20/240 | 3.28 | 3.28 | 3.28 | 3.28 | 3.14 | |
| 32 x 12 x 10" | ECT-32 Corrugated | 20/240 | 2.41 | 2.41 | 2.41 | 2.41 | 2.31 | |
| 32 x 12 x 12" | ECT-32 Corrugated | 20/240 | 2.54 | 2.54 | 2.54 | 2.54 | 2.44 | |
| 32 x 16 x 16" | ECT-32 Corrugated | 15/150 | 6.03 | 6.03 | 6.03 | 6.03 | 5.79 | |
| 32 x 18 x 8" | ECT-32 Corrugated | 15/150 | 3.35 | 3.35 | 3.35 | 3.35 | 3.21 | |
| 32 x 18 x 12" | ECT-32 Corrugated | 15/150 | 3.79 | 3.79 | 3.79 | 3.79 | 3.64 | |
| 32 x 18 x 18" | ECT-32 Corrugated | 15/150 | 5.25 | 5.25 | 5.25 | 5.25 | 5.04 | |
| 32 x 24 x 24" | ECT-32 Corrugated | 15/150 | 9.05 | 9.05 | 9.05 | 9.05 | 8.69 | |
| 32 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 8.69 | 8.69 | 8.69 | 8.69 | 8.34 | |
| 32 x 24 x 24" | ECT-48 Double Wall Corrugated | 5/75 | 11.21 | 11.21 | 11.21 | 11.21 | 10.76 | |
| 32 x 32 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 12.27 | 12.27 | 12.27 | 12.27 | 11.78 | |
| 32 x 32 x 12" | ECT-32 Single Wall Corrugated | 10/150 | 10.01 | 10.01 | 10.01 | 10.01 | 9.61 | |
| 32 x 32 x 32" | ECT-32 Single Wall Corrugated | 5/120 | 10.70 | 10.70 | 10.70 | 10.70 | 10.27 | |
| 32 x 32 x 32" | ECT-48 Double Wall Corrugated | 5/90 | 19.40 | 19.40 | 19.40 | 19.40 | 18.63 | |
| 33 x 8 1/2 x 5" | ECT-32 Single Wall Corrugated | 25/375 | 2.10 | 2.10 | 2.10 | 2.10 | 2.02 | |
| 34 x 10 x 6" | ECT-32 Single Wall Corrugated | 10/300 | 1.87 | 1.87 | 1.87 | 1.87 | 1.79 | |
| 34 x 21 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 6.59 | 6.59 | 6.59 | 6.59 | 6.33 | |
| 34 x 34 x 34" | ECT-32 Single Wall Corrugated | 5/120 | 12.16 | 12.16 | 12.16 | 12.16 | 11.67 | |