| 27 x 14 x 9" | ECT-32 Single Wall Corrugated | 20/240 | $4.76 | $4.51 | $4.36 | $4.17 | $3.73 | |
| 27 x 27 x 27" | ECT-32 Single Wall Corrugated | 5/120 | 9.22 | 9.22 | 9.22 | 9.22 | 9.22 | |
| 28 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/625 | 1.62 | 1.50 | 1.42 | 1.38 | 1.32 | |
| 28 x 5 x 24" | FOL | 10/120 | 5.24 | 5.08 | 4.92 | 4.85 | 4.78 | |
| 28 x 5 x 38" | FOL | 20/120 | 5.25 | 4.88 | 4.88 | 4.88 | 4.88 | |
| 28 x 6 x 6" | ECT-32 Single Wall Corrugated | 20/240 | 1.76 | 1.60 | 1.53 | 1.42 | 1.34 | |
| 28 x 6 x 20" | ECT-44 Single Wall Corrugated | 5/120 | 9.28 | 8.99 | 8.70 | 8.58 | 8.47 | |
| 28 x 6 x 52" | FOL | 5/120 | 9.09 | 9.09 | 9.09 | 9.09 | 9.09 | |
| 28 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 2.16 | 1.90 | 1.78 | 1.68 | 1.62 | |
| 28 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/300 | 3.00 | 2.78 | 2.56 | 2.38 | 2.25 | |
| 28 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/300 | 2.92 | 2.68 | 2.52 | 2.33 | 2.13 | |
| 28 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/300 | 3.30 | 3.05 | 2.82 | 2.65 | 2.65 | |
| 28 x 12 x 12" | ECT-32 Single Wall Corrugated | 20/240 | 3.50 | 3.33 | 3.05 | 2.80 | 2.69 | |
| 28 x 14 x 14" | ECT-32 Single Wall Corrugated | 20/120 | 4.72 | 4.39 | 4.05 | 3.79 | 3.41 | |
| 28 x 16 x 5" | ECT-32 Single Wall Corrugated | 25/300 | 4.14 | 3.77 | 3.56 | 3.35 | 3.22 | |
| 28 x 16 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 4.19 | 3.90 | 3.57 | 3.36 | 3.04 | |
| 28 x 16 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 4.50 | 4.13 | 3.88 | 3.54 | 3.29 | |
| 28 x 16 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 4.87 | 4.46 | 4.18 | 3.79 | 3.52 | |
| 28 x 16 x 14" | ECT-32 Single Wall Corrugated | 15/120 | 5.03 | 4.64 | 4.41 | 3.94 | 3.80 | |
| 28 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 4.11 | 3.74 | 3.51 | 3.33 | 3.02 | |
| 28 x 18 x 6" | ECT-32 Single Wall Corrugated | 20/140 | 4.20 | 4.08 | 4.08 | 4.08 | 4.08 | |
| 28 x 18 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 4.61 | 4.20 | 3.97 | 3.59 | 3.37 | |
| 28 x 18 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 4.79 | 4.52 | 4.25 | 3.87 | 3.60 | |
| 28 x 18 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 5.21 | 4.76 | 4.45 | 4.05 | 3.76 | |
| 28 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/150 | 5.64 | 5.21 | 4.63 | 4.43 | 4.05 | |
| 28 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 9.36 | 8.55 | 8.55 | 8.55 | 8.55 | |
| 28 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.30 | 4.92 | 4.58 | 4.53 | 4.53 | |
| 28 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 5.41 | 4.99 | 4.60 | 4.24 | 4.03 | |
| 28 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 6.75 | 5.96 | 5.82 | 5.39 | 5.10 | |
| 28 x 20 x 24" | 22,20,18,16,14" | 10/120 | 8.54 | 8.14 | 7.68 | 7.29 | 6.96 | |
| 28 x 20 x 25" | ECT-32 Single Wall Corrugated | 10/120 | 8.26 | 7.77 | 7.36 | 6.91 | 6.42 | |
| 28 x 24 x 6" | ECT-32 Single Wall Corrugated | 10/240 | 5.59 | 5.11 | 4.77 | 4.58 | 4.23 | |
| 28 x 24 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 8.55 | 8.55 | 8.55 | 8.55 | 8.55 | |
| 28 x 28 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 6.38 | 6.01 | 5.89 | 5.68 | 5.10 | |
| 28 x 28 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 8.59 | 8.59 | 8.59 | 8.59 | 8.59 | |
| 28 x 28 x 10" | ECT-32 Single Wall Corrugated | 10/150 | 8.14 | 8.14 | 8.14 | 8.14 | 8.14 | |
| 28 x 28 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 6.98 | 6.65 | 6.42 | 6.19 | 5.50 | |
| 28 x 28 x 12" | ECT-48 Double Wall Corrugated | 10/90 | 15.47 | 15.47 | 15.47 | 15.47 | 15.47 | |
| 28 x 28 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 8.66 | 8.20 | 7.73 | 7.50 | 7.10 | |
| 28 x 28 x 22" | ECT-32 Single Wall Corrugated | 10/150 | 9.36 | 9.36 | 9.36 | 9.36 | 9.36 | |
| 28 x 28 x 28" | ECT-32 Single Wall Corrugated | 5/120 | 10.08 | 9.61 | 9.01 | 8.75 | 8.28 | |
| 28 x 28 x 28" | ECT-48 Double Wall Corrugated | 5/90 | 17.88 | 16.82 | 16.36 | 16.06 | 16.06 | |
| 29 x 17 x 3" | ECT-32 Single Wall Corrugated | 25/300 | 3.60 | 3.37 | 3.34 | 3.34 | 3.34 | |
| 29 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 3.74 | 3.55 | 3.32 | 3.05 | 2.97 | |
| 29 x 17 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 4.14 | 3.92 | 3.89 | 3.89 | 3.89 | |
| 29 x 17 x 9" | ECT-32 Single Wall Corrugated | 15/150 | 4.46 | 4.15 | 3.92 | 3.56 | 3.32 | |
| 29 x 17 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.69 | 4.44 | 4.13 | 3.96 | 3.65 | |
| 29 x 17 x 15" | ECT-32 Single Wall Corrugated | 15/150 | 5.10 | 4.74 | 4.41 | 4.20 | 3.90 | |
| 29 x 17 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 5.54 | 5.36 | 5.10 | 4.69 | 4.36 | |
| 29 x 24 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 10.10 | 10.10 | 10.10 | 10.10 | 10.10 | |
| 30 x 5 x 24" | FOL | 10/120 | 2.77 | 2.77 | 2.77 | 2.77 | 2.77 | |
| 30 x 5 x 30" | FOL | 10/120 | 4.60 | 4.46 | 4.32 | 4.26 | 4.20 | |
| 30 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/375 | 2.03 | 1.84 | 1.65 | 1.54 | 1.48 | |
| 30 x 6 x 24" | ECT-44 Corrugated | 10/140 | 9.97 | 9.66 | 9.35 | 9.23 | 9.10 | |
| 30 x 6 x 24" | Inside Telescopic HSC | 10/150 | 6.19 | 6.00 | 5.80 | 5.73 | 5.65 | |
| 30 x 6 x 30" | ECT-44 Corrugated | 10/120 | 11.66 | 11.30 | 10.93 | 10.79 | 10.64 | |
| 30 x 6 x 40" | ECT-44 Corrugated | 10/140 | 14.40 | 13.95 | 13.50 | 13.32 | 13.14 | |
| 30 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 2.27 | 2.08 | 1.90 | 1.80 | 1.72 | |
| 30 x 10 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 2.54 | 2.34 | 2.24 | 2.13 | 1.96 | |
| 30 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/375 | 3.40 | 3.08 | 2.91 | 2.71 | 2.61 | |
| 30 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 3.38 | 3.13 | 2.93 | 2.81 | 2.66 | |
| 30 x 12 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 3.50 | 3.33 | 3.05 | 2.82 | 2.82 | |
| 30 x 13 x 13" | ECT-32 Single Wall Corrugated | 20/240 | 3.92 | 3.75 | 3.71 | 3.71 | 3.71 | |
| 30 x 14 x 7" | ECT-32 Single Wall Corrugated | 10/120 | 3.18 | 2.98 | 2.87 | 2.70 | 2.57 | |
| 30 x 14 x 10" | ECT-32 Single Wall Corrugated | 10/120 | 3.71 | 3.46 | 3.27 | 2.96 | 2.88 | |
| 30 x 15 x 15" | ECT-32 Single Wall Corrugated | 15/120 | 4.77 | 4.42 | 4.07 | 3.80 | 3.55 | |
| 30 x 15 x 15" | ECT-48 Double Wall Corrugated | 10/90 | 7.75 | 7.68 | 7.68 | 7.68 | 7.68 | |
| 30 x 17 x 16" | ECT-32 Single Wall Corrugated | 15/150 | 5.15 | 4.83 | 4.41 | 4.24 | 4.03 | |
| 30 x 17 x 16" | 14,12,10" | 15/150 | 5.71 | 5.21 | 4.85 | 4.68 | 4.42 | |
| 30 x 17 x 17" | ECT-51 Double Wall Corrugated | 5/75 | 12.69 | 11.80 | 11.46 | 10.85 | 10.40 | |
| 30 x 18 x 16" | ECT-32 Corrugated | 15/150 | 5.81 | 5.60 | 5.60 | 5.60 | 5.60 | |
| 30 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/120 | 6.09 | 5.37 | 5.27 | 4.82 | 4.58 | |
| 30 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 9.89 | 9.71 | 9.71 | 9.71 | 9.71 | |
| 30 x 20 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 3.91 | 3.66 | 3.56 | 3.29 | 3.09 | |
| 30 x 20 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 4.29 | 4.17 | 4.17 | 4.17 | 4.17 | |
| 30 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 4.48 | 4.30 | 4.03 | 3.76 | 3.55 | |
| 30 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.77 | 4.60 | 4.34 | 4.01 | 3.78 | |
| 30 x 20 x 18" | ECT-32 Single Wall Corrugated | 15/150 | 6.69 | 6.17 | 6.17 | 6.17 | 6.17 | |
| 30 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 6.98 | 6.19 | 6.03 | 5.56 | 5.28 | |
| 30 x 20 x 20" | ECT-44 - 18,16,14,12" | 10/120 | 8.55 | 8.07 | 7.70 | 7.22 | 6.52 | |
| 30 x 20 x 20" | ECT-48 Double Wall Corrugated | 10/70 | 11.17 | 10.52 | 10.23 | 9.58 | 9.58 | |
| 30 x 24 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.99 | 5.49 | 5.08 | 4.81 | 4.81 | |
| 30 x 24 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 6.10 | 5.81 | 5.31 | 4.94 | 4.61 | |
| 30 x 24 x 12" | 10,8,6,4" | 15/120 | 6.99 | 6.26 | 5.80 | 5.49 | 5.49 | |
| 30 x 24 x 12" | ECT-48 Double Wall Corrugated | 10/70 | 11.43 | 10.76 | 10.43 | 9.83 | 9.57 | |
| 30 x 24 x 20" | ECT-32 Single Wall Corrugated | 15/150 | 7.82 | 7.25 | 6.86 | 6.74 | 6.74 | |
| 30 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 11.99 | 11.34 | 10.84 | 10.10 | 9.12 | |
| 30 x 26 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 9.79 | 9.18 | 8.64 | 8.11 | 8.11 | |
| 30 x 30 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 7.48 | 6.90 | 6.54 | 6.17 | 5.64 | |
| 30 x 30 x 8" | ECT-32 Single Wall Corrugated | 10/120 | 7.56 | 6.96 | 6.68 | 6.44 | 5.98 | |
| 30 x 30 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 7.74 | 7.37 | 7.01 | 6.64 | 6.07 | |
| 30 x 30 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 8.19 | 7.50 | 7.13 | 6.69 | 6.63 | |
| 30 x 30 x 12" | ECT-48 Double Wall Corrugated | 5/75 | 13.74 | 12.97 | 12.53 | 11.76 | 11.65 | |
| 30 x 30 x 16" | ECT-32 Single Wall Corrugated | 10/120 | 8.41 | 7.91 | 7.58 | 7.14 | 6.53 | |
| 30 x 30 x 16" | ECT-48 Double Wall Corrugated | 5/90 | 14.93 | 14.11 | 13.65 | 12.83 | 12.48 | |
| 30 x 30 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 10.92 | 10.92 | 10.92 | 10.92 | 10.92 | |
| 30 x 30 x 20" | ECT-48 Double Wall Corrugated | 5/90 | 17.22 | 16.30 | 15.78 | 14.72 | 14.33 | |
| 30 x 30 x 25" | ECT-32 Single Wall Corrugated | 5/120 | 10.09 | 10.09 | 10.09 | 10.09 | 10.09 | |
| 30 x 30 x 30" | ECT-32 Single Wall Corrugated | 5/120 | 11.58 | 11.02 | 10.31 | 10.07 | 9.52 | |
| 30 x 30 x 30" | ECT-48 Double Wall Corrugated | 5/75 | 20.13 | 18.95 | 18.43 | 17.12 | 17.12 | |
| 30 x 30 x 30" | ECT-90 Triple Wall Corrugated | 5/30 | 53.44 | 51.31 | 49.54 | 47.42 | 47.07 | |
| 30 1/2 x 6 1/2 x 24" | Outside Telescopic HSC | 10/150 | 6.50 | 6.29 | 6.09 | 6.01 | 5.93 | |
| 31 x 16 x 9" | ECT-32 Corrugated | 10/120 | 4.94 | 4.54 | 4.18 | 3.85 | 3.85 | |
| 32 x 6 x 6" | ECT-32 Corrugated | 25/375 | 2.08 | 1.91 | 1.76 | 1.67 | 1.55 | |
| 32 x 8 x 8" | ECT-32 Corrugated | 25/375 | 2.35 | 2.17 | 1.98 | 1.87 | 1.79 | |
| 32 x 10 x 6 1/2" | ECT-32 Corrugated | 20/240 | 2.37 | 2.30 | 2.30 | 2.30 | 2.30 | |
| 32 x 10 x 10" | ECT-32 Corrugated | 20/240 | 3.07 | 2.83 | 2.78 | 2.78 | 2.78 | |
| 32 x 12 x 10" | ECT-32 Corrugated | 20/240 | 3.50 | 3.19 | 3.00 | 2.83 | 2.64 | |
| 32 x 12 x 12" | ECT-32 Corrugated | 20/240 | 3.72 | 3.44 | 3.21 | 3.05 | 2.85 | |
| 32 x 16 x 16" | ECT-32 Corrugated | 15/150 | 5.26 | 5.11 | 5.11 | 5.11 | 5.11 | |
| 32 x 18 x 8" | ECT-32 Corrugated | 15/150 | 4.55 | 4.28 | 3.99 | 3.80 | 3.56 | |
| 32 x 18 x 12" | ECT-32 Corrugated | 15/150 | 4.64 | 4.40 | 4.24 | 3.97 | 3.73 | |
| 32 x 18 x 18" | ECT-32 Corrugated | 15/150 | 6.43 | 5.93 | 5.72 | 5.34 | 4.92 | |
| 32 x 24 x 24" | ECT-32 Corrugated | 15/150 | 9.78 | 9.05 | 8.48 | 7.82 | 7.68 | |
| 32 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 11.47 | 10.63 | 9.80 | 9.52 | 9.17 | |
| 32 x 24 x 24" | ECT-48 Double Wall Corrugated | 5/75 | 12.91 | 12.02 | 11.75 | 11.48 | 11.12 | |
| 32 x 32 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 10.41 | 10.41 | 10.41 | 10.41 | 10.41 | |
| 32 x 32 x 12" | ECT-32 Single Wall Corrugated | 10/150 | 10.09 | 9.45 | 8.81 | 8.49 | 8.49 | |
| 32 x 32 x 32" | ECT-32 Single Wall Corrugated | 5/120 | 12.84 | 12.16 | 12.07 | 11.39 | 11.05 | |
| 32 x 32 x 32" | ECT-48 Double Wall Corrugated | 5/90 | 22.82 | 21.42 | 20.80 | 20.18 | 19.71 | |
| 33 x 8 1/2 x 5" | ECT-32 Single Wall Corrugated | 25/375 | 2.39 | 2.32 | 2.22 | 2.09 | 1.92 | |
| 34 x 10 x 6" | ECT-32 Single Wall Corrugated | 10/300 | 1.63 | 1.58 | 1.58 | 1.58 | 1.58 | |
| 34 x 21 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 5.80 | 5.59 | 5.59 | 5.59 | 5.59 | |
| 34 x 34 x 34" | ECT-32 Single Wall Corrugated | 5/120 | 13.91 | 13.91 | 13.91 | 13.91 | 13.91 | |