| 27 x 14 x 9" | ECT-32 Single Wall Corrugated | 20/240 | $3.22 | $3.01 | $2.91 | $2.75 | $2.65 | |
| 27 x 27 x 27" | ECT-32 Single Wall Corrugated | 5/120 | 9.34 | 8.76 | 8.47 | 8.00 | 7.71 | |
| 28 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/625 | 1.88 | 1.76 | 1.70 | 1.61 | 1.55 | |
| 28 x 5 x 24" | FOL | 10/120 | 4.95 | 4.64 | 4.48 | 4.24 | 4.08 | |
| 28 x 5 x 38" | FOL | 20/120 | 7.24 | 6.79 | 6.56 | 6.20 | 5.98 | |
| 28 x 6 x 6" | ECT-32 Single Wall Corrugated | 20/240 | 1.49 | 1.40 | 1.35 | 1.28 | 1.23 | |
| 28 x 6 x 20" | ECT-44 Single Wall Corrugated | 5/120 | 7.96 | 7.46 | 7.21 | 6.82 | 6.57 | |
| 28 x 6 x 52" | FOL | 5/120 | 12.95 | 12.14 | 11.73 | 11.09 | 10.68 | |
| 28 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.71 | 1.61 | 1.55 | 1.47 | 1.41 | |
| 28 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/300 | 2.35 | 2.20 | 2.13 | 2.01 | 1.94 | |
| 28 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/300 | 2.23 | 2.09 | 2.02 | 1.91 | 1.84 | |
| 28 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/300 | 3.77 | 3.54 | 3.42 | 3.23 | 3.11 | |
| 28 x 12 x 12" | ECT-32 Single Wall Corrugated | 20/240 | 2.88 | 2.70 | 2.61 | 2.47 | 2.38 | |
| 28 x 14 x 14" | ECT-32 Single Wall Corrugated | 20/120 | 3.32 | 3.12 | 3.01 | 2.85 | 2.74 | |
| 28 x 16 x 5" | ECT-32 Single Wall Corrugated | 25/300 | 4.59 | 4.31 | 4.16 | 3.93 | 3.79 | |
| 28 x 16 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 3.17 | 2.97 | 2.87 | 2.71 | 2.61 | |
| 28 x 16 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 3.36 | 3.15 | 3.05 | 2.88 | 2.77 | |
| 28 x 16 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 3.72 | 3.48 | 3.37 | 3.18 | 3.07 | |
| 28 x 16 x 14" | ECT-32 Single Wall Corrugated | 15/120 | 4.22 | 3.95 | 3.82 | 3.61 | 3.48 | |
| 28 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 3.11 | 2.92 | 2.82 | 2.66 | 2.57 | |
| 28 x 18 x 6" | ECT-32 Single Wall Corrugated | 20/140 | 5.82 | 5.45 | 5.27 | 4.98 | 4.80 | |
| 28 x 18 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 4.80 | 4.50 | 4.35 | 4.11 | 3.96 | |
| 28 x 18 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.13 | 4.81 | 4.65 | 4.39 | 4.23 | |
| 28 x 18 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 3.99 | 3.74 | 3.62 | 3.42 | 3.30 | |
| 28 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/150 | 5.01 | 4.70 | 4.54 | 4.29 | 4.13 | |
| 28 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 12.18 | 11.42 | 11.04 | 10.43 | 10.05 | |
| 28 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.46 | 6.05 | 5.85 | 5.53 | 5.33 | |
| 28 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.49 | 4.21 | 4.07 | 3.84 | 3.70 | |
| 28 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 5.39 | 5.05 | 4.88 | 4.61 | 4.45 | |
| 28 x 20 x 24" | 22,20,18,16,14" | 10/120 | 10.10 | 9.47 | 9.16 | 8.65 | 8.33 | |
| 28 x 20 x 25" | ECT-32 Single Wall Corrugated | 10/120 | 6.78 | 6.35 | 6.14 | 5.80 | 5.59 | |
| 28 x 24 x 6" | ECT-32 Single Wall Corrugated | 10/240 | 4.40 | 4.12 | 3.99 | 3.77 | 3.63 | |
| 28 x 24 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 12.17 | 11.41 | 11.03 | 10.42 | 10.04 | |
| 28 x 28 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 6.21 | 5.82 | 5.63 | 5.32 | 5.13 | |
| 28 x 28 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 12.23 | 11.47 | 11.09 | 10.47 | 10.09 | |
| 28 x 28 x 10" | ECT-32 Single Wall Corrugated | 10/150 | 11.59 | 10.87 | 10.51 | 9.93 | 9.56 | |
| 28 x 28 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 6.97 | 6.54 | 6.32 | 5.97 | 5.75 | |
| 28 x 28 x 12" | ECT-48 Double Wall Corrugated | 10/90 | 22.02 | 20.65 | 19.96 | 18.86 | 18.17 | |
| 28 x 28 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 8.90 | 8.34 | 8.06 | 7.62 | 7.34 | |
| 28 x 28 x 22" | ECT-32 Single Wall Corrugated | 10/150 | 13.33 | 12.50 | 12.08 | 11.41 | 11.00 | |
| 28 x 28 x 28" | ECT-32 Single Wall Corrugated | 5/120 | 10.30 | 9.66 | 9.33 | 8.82 | 8.50 | |
| 28 x 28 x 28" | ECT-48 Double Wall Corrugated | 5/90 | 22.68 | 21.26 | 20.55 | 19.42 | 18.71 | |
| 29 x 17 x 3" | ECT-32 Single Wall Corrugated | 25/300 | 4.76 | 4.46 | 4.31 | 4.08 | 3.93 | |
| 29 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 2.86 | 2.68 | 2.59 | 2.45 | 2.36 | |
| 29 x 17 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 5.53 | 5.19 | 5.02 | 4.74 | 4.57 | |
| 29 x 17 x 9" | ECT-32 Single Wall Corrugated | 15/150 | 3.58 | 3.36 | 3.25 | 3.07 | 2.96 | |
| 29 x 17 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.26 | 3.99 | 3.86 | 3.65 | 3.52 | |
| 29 x 17 x 15" | ECT-32 Single Wall Corrugated | 15/150 | 4.55 | 4.26 | 4.12 | 3.89 | 3.75 | |
| 29 x 17 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 5.58 | 5.23 | 5.05 | 4.77 | 4.60 | |
| 29 x 24 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 14.38 | 13.48 | 13.03 | 12.31 | 11.86 | |
| 30 x 5 x 24" | FOL | 10/120 | 3.40 | 3.19 | 3.08 | 2.91 | 2.81 | |
| 30 x 5 x 30" | FOL | 10/120 | 4.34 | 4.07 | 3.94 | 3.72 | 3.58 | |
| 30 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/375 | 1.58 | 1.49 | 1.44 | 1.36 | 1.31 | |
| 30 x 6 x 24" | ECT-44 Corrugated | 10/140 | 9.41 | 8.82 | 8.53 | 8.06 | 7.76 | |
| 30 x 6 x 24" | Inside Telescopic HSC | 10/150 | 5.92 | 5.55 | 5.36 | 5.07 | 4.88 | |
| 30 x 6 x 30" | ECT-44 Corrugated | 10/120 | 11.00 | 10.31 | 9.97 | 9.42 | 9.07 | |
| 30 x 6 x 40" | ECT-44 Corrugated | 10/140 | 13.59 | 12.74 | 12.31 | 11.63 | 11.21 | |
| 30 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.91 | 1.79 | 1.73 | 1.64 | 1.58 | |
| 30 x 10 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 2.28 | 2.14 | 2.07 | 1.96 | 1.88 | |
| 30 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/375 | 3.72 | 3.48 | 3.37 | 3.18 | 3.07 | |
| 30 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 3.75 | 3.52 | 3.40 | 3.21 | 3.10 | |
| 30 x 12 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 2.86 | 2.68 | 2.59 | 2.45 | 2.36 | |
| 30 x 13 x 13" | ECT-32 Single Wall Corrugated | 20/240 | 5.24 | 4.91 | 4.75 | 4.49 | 4.32 | |
| 30 x 14 x 7" | ECT-32 Single Wall Corrugated | 10/120 | 2.71 | 2.54 | 2.45 | 2.32 | 2.23 | |
| 30 x 14 x 10" | ECT-32 Single Wall Corrugated | 10/120 | 3.13 | 2.93 | 2.83 | 2.68 | 2.58 | |
| 30 x 15 x 15" | ECT-32 Single Wall Corrugated | 15/120 | 3.79 | 3.55 | 3.43 | 3.25 | 3.13 | |
| 30 x 15 x 15" | ECT-48 Double Wall Corrugated | 10/90 | 10.93 | 10.25 | 9.91 | 9.36 | 9.02 | |
| 30 x 17 x 16" | ECT-32 Single Wall Corrugated | 15/150 | 4.44 | 4.16 | 4.03 | 3.80 | 3.66 | |
| 30 x 17 x 16" | 14,12,10" | 15/150 | 4.98 | 4.67 | 4.51 | 4.26 | 4.11 | |
| 30 x 17 x 17" | ECT-51 Double Wall Corrugated | 5/75 | 8.68 | 8.14 | 7.87 | 7.44 | 7.16 | |
| 30 x 18 x 16" | ECT-32 Corrugated | 15/150 | 7.97 | 7.47 | 7.23 | 6.83 | 6.58 | |
| 30 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/120 | 5.16 | 4.84 | 4.68 | 4.42 | 4.26 | |
| 30 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 13.82 | 12.96 | 12.53 | 11.83 | 11.40 | |
| 30 x 20 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 3.74 | 3.50 | 3.39 | 3.20 | 3.08 | |
| 30 x 20 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 6.67 | 6.25 | 6.04 | 5.71 | 5.50 | |
| 30 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 4.51 | 4.23 | 4.09 | 3.87 | 3.72 | |
| 30 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.96 | 4.65 | 4.50 | 4.25 | 4.09 | |
| 30 x 20 x 18" | ECT-32 Single Wall Corrugated | 15/150 | 8.78 | 8.23 | 7.96 | 7.52 | 7.25 | |
| 30 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 5.95 | 5.58 | 5.39 | 5.10 | 4.91 | |
| 30 x 20 x 20" | ECT-44 - 18,16,14,12" | 10/120 | 8.07 | 7.56 | 7.31 | 6.91 | 6.66 | |
| 30 x 20 x 20" | ECT-48 Double Wall Corrugated | 10/70 | 10.94 | 10.25 | 9.91 | 9.37 | 9.02 | |
| 30 x 24 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.99 | 6.55 | 6.33 | 5.99 | 5.77 | |
| 30 x 24 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 6.27 | 5.88 | 5.68 | 5.37 | 5.17 | |
| 30 x 24 x 12" | 10,8,6,4" | 15/120 | 7.82 | 7.33 | 7.08 | 6.69 | 6.45 | |
| 30 x 24 x 12" | ECT-48 Double Wall Corrugated | 10/70 | 10.03 | 9.40 | 9.09 | 8.59 | 8.27 | |
| 30 x 24 x 20" | ECT-32 Single Wall Corrugated | 15/150 | 9.59 | 8.99 | 8.69 | 8.21 | 7.91 | |
| 30 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 11.84 | 11.10 | 10.73 | 10.14 | 9.77 | |
| 30 x 26 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 11.54 | 10.82 | 10.46 | 9.88 | 9.52 | |
| 30 x 30 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 7.96 | 7.46 | 7.21 | 6.81 | 6.56 | |
| 30 x 30 x 8" | ECT-32 Single Wall Corrugated | 10/120 | 7.12 | 6.68 | 6.46 | 6.10 | 5.88 | |
| 30 x 30 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 8.13 | 7.62 | 7.37 | 6.96 | 6.71 | |
| 30 x 30 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 9.43 | 8.85 | 8.55 | 8.08 | 7.78 | |
| 30 x 30 x 12" | ECT-48 Double Wall Corrugated | 5/75 | 16.59 | 15.55 | 15.03 | 14.20 | 13.68 | |
| 30 x 30 x 16" | ECT-32 Single Wall Corrugated | 10/120 | 8.35 | 7.83 | 7.57 | 7.15 | 6.89 | |
| 30 x 30 x 16" | ECT-48 Double Wall Corrugated | 5/90 | 17.61 | 16.51 | 15.96 | 15.08 | 14.53 | |
| 30 x 30 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 15.55 | 14.58 | 14.09 | 13.32 | 12.83 | |
| 30 x 30 x 20" | ECT-48 Double Wall Corrugated | 5/90 | 19.84 | 18.60 | 17.98 | 16.99 | 16.37 | |
| 30 x 30 x 25" | ECT-32 Single Wall Corrugated | 5/120 | 10.02 | 9.39 | 9.08 | 8.58 | 8.26 | |
| 30 x 30 x 30" | ECT-32 Single Wall Corrugated | 5/120 | 11.97 | 11.22 | 10.85 | 10.25 | 9.88 | |
| 30 x 30 x 30" | ECT-48 Double Wall Corrugated | 5/75 | 18.93 | 17.74 | 17.15 | 16.21 | 15.61 | |
| 30 x 30 x 30" | ECT-90 Triple Wall Corrugated | 5/30 | 53.42 | 50.08 | 48.41 | 45.74 | 44.07 | |
| 30 1/2 x 6 1/2 x 24" | Outside Telescopic HSC | 10/150 | 6.19 | 5.80 | 5.61 | 5.30 | 5.11 | |
| 31 x 16 x 9" | ECT-32 Corrugated | 10/120 | 5.48 | 5.14 | 4.97 | 4.70 | 4.52 | |
| 32 x 6 x 6" | ECT-32 Corrugated | 25/375 | 1.67 | 1.56 | 1.51 | 1.43 | 1.38 | |
| 32 x 8 x 8" | ECT-32 Corrugated | 25/375 | 1.82 | 1.71 | 1.65 | 1.56 | 1.50 | |
| 32 x 10 x 6 1/2" | ECT-32 Corrugated | 20/240 | 3.28 | 3.07 | 2.97 | 2.80 | 2.70 | |
| 32 x 10 x 10" | ECT-32 Corrugated | 20/240 | 3.95 | 3.71 | 3.58 | 3.39 | 3.26 | |
| 32 x 12 x 10" | ECT-32 Corrugated | 20/240 | 2.91 | 2.72 | 2.63 | 2.49 | 2.40 | |
| 32 x 12 x 12" | ECT-32 Corrugated | 20/240 | 2.98 | 2.80 | 2.70 | 2.55 | 2.46 | |
| 32 x 16 x 16" | ECT-32 Corrugated | 15/150 | 7.07 | 6.63 | 6.41 | 6.05 | 5.83 | |
| 32 x 18 x 8" | ECT-32 Corrugated | 15/150 | 4.04 | 3.79 | 3.66 | 3.46 | 3.33 | |
| 32 x 18 x 12" | ECT-32 Corrugated | 15/150 | 4.78 | 4.48 | 4.33 | 4.09 | 3.94 | |
| 32 x 18 x 18" | ECT-32 Corrugated | 15/150 | 6.34 | 5.95 | 5.75 | 5.43 | 5.23 | |
| 32 x 24 x 24" | ECT-32 Corrugated | 15/150 | 10.93 | 10.25 | 9.91 | 9.36 | 9.02 | |
| 32 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 11.04 | 10.35 | 10.01 | 9.46 | 9.11 | |
| 32 x 24 x 24" | ECT-48 Double Wall Corrugated | 5/75 | 13.54 | 12.69 | 12.27 | 11.59 | 11.17 | |
| 32 x 32 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 14.82 | 13.89 | 13.43 | 12.69 | 12.23 | |
| 32 x 32 x 12" | ECT-32 Single Wall Corrugated | 10/150 | 12.09 | 11.34 | 10.96 | 10.35 | 9.98 | |
| 32 x 32 x 32" | ECT-32 Single Wall Corrugated | 5/120 | 12.92 | 12.12 | 11.71 | 11.07 | 10.66 | |
| 32 x 32 x 32" | ECT-48 Double Wall Corrugated | 5/90 | 20.03 | 18.78 | 18.15 | 17.15 | 16.53 | |
| 33 x 8 1/2 x 5" | ECT-32 Single Wall Corrugated | 25/375 | 2.54 | 2.38 | 2.30 | 2.18 | 2.10 | |
| 34 x 10 x 6" | ECT-32 Single Wall Corrugated | 10/300 | 2.28 | 2.13 | 2.06 | 1.95 | 1.88 | |
| 34 x 21 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 7.96 | 7.46 | 7.21 | 6.82 | 6.57 | |
| 34 x 34 x 34" | ECT-32 Single Wall Corrugated | 5/120 | 14.68 | 13.77 | 13.31 | 12.57 | 12.11 | |