| 27 x 14 x 9" | ECT-32 Single Wall Corrugated | 20/240 | $3.82 | $3.52 | $3.32 | $3.11 | $2.91 | |
| 27 x 27 x 27" | ECT-32 Single Wall Corrugated | 5/120 | 9.93 | 9.34 | 8.76 | 8.18 | 7.59 | |
| 28 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/625 | 2.17 | 2.00 | 1.88 | 1.76 | 1.65 | |
| 28 x 5 x 24" | FOL | 10/120 | 5.87 | 5.41 | 5.10 | 4.79 | 4.48 | |
| 28 x 5 x 38" | FOL | 20/120 | 7.39 | 6.95 | 6.52 | 6.08 | 5.65 | |
| 28 x 6 x 6" | ECT-32 Single Wall Corrugated | 20/240 | 1.63 | 1.49 | 1.40 | 1.30 | 1.21 | |
| 28 x 6 x 20" | ECT-44 Single Wall Corrugated | 5/120 | 9.20 | 8.46 | 7.96 | 7.46 | 6.96 | |
| 28 x 6 x 52" | FOL | 5/120 | 13.76 | 12.95 | 12.14 | 11.33 | 10.52 | |
| 28 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 2.03 | 1.82 | 1.71 | 1.61 | 1.50 | |
| 28 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/300 | 3.00 | 2.75 | 2.59 | 2.43 | 2.27 | |
| 28 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/300 | 2.65 | 2.44 | 2.30 | 2.16 | 2.02 | |
| 28 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/300 | 4.36 | 4.01 | 3.77 | 3.54 | 3.30 | |
| 28 x 12 x 12" | ECT-32 Single Wall Corrugated | 20/240 | 3.20 | 3.02 | 2.75 | 2.57 | 2.40 | |
| 28 x 14 x 14" | ECT-32 Single Wall Corrugated | 20/120 | 3.94 | 3.71 | 3.49 | 3.26 | 3.04 | |
| 28 x 16 x 5" | ECT-32 Single Wall Corrugated | 25/300 | 5.31 | 4.88 | 4.59 | 4.31 | 4.02 | |
| 28 x 16 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 3.76 | 3.46 | 3.26 | 3.07 | 2.87 | |
| 28 x 16 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 4.12 | 3.80 | 3.58 | 3.36 | 3.15 | |
| 28 x 16 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 4.41 | 4.06 | 3.83 | 3.60 | 3.37 | |
| 28 x 16 x 14" | ECT-32 Single Wall Corrugated | 15/120 | 5.01 | 4.61 | 4.35 | 4.09 | 3.82 | |
| 28 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 3.69 | 3.40 | 3.21 | 3.01 | 2.82 | |
| 28 x 18 x 6" | ECT-32 Single Wall Corrugated | 20/140 | 6.73 | 6.18 | 5.82 | 5.45 | 5.09 | |
| 28 x 18 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 5.55 | 5.10 | 4.80 | 4.50 | 4.20 | |
| 28 x 18 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.93 | 5.45 | 5.13 | 4.81 | 4.49 | |
| 28 x 18 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 4.74 | 4.37 | 4.12 | 3.87 | 3.62 | |
| 28 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/150 | 5.64 | 5.01 | 4.70 | 4.38 | 4.07 | |
| 28 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 14.08 | 12.94 | 12.18 | 11.42 | 10.66 | |
| 28 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 7.47 | 6.86 | 6.46 | 6.05 | 5.65 | |
| 28 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 5.07 | 4.65 | 4.23 | 3.95 | 3.67 | |
| 28 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 6.23 | 5.72 | 5.39 | 5.05 | 4.71 | |
| 28 x 20 x 24" | 22,20,18,16,14" | 10/120 | 11.68 | 10.73 | 10.10 | 9.47 | 8.84 | |
| 28 x 20 x 25" | ECT-32 Single Wall Corrugated | 10/120 | 8.05 | 7.41 | 6.99 | 6.56 | 6.14 | |
| 28 x 24 x 6" | ECT-32 Single Wall Corrugated | 10/240 | 5.66 | 5.21 | 4.91 | 4.62 | 4.32 | |
| 28 x 24 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 14.07 | 12.93 | 12.17 | 11.41 | 10.65 | |
| 28 x 28 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 6.80 | 6.41 | 6.02 | 5.63 | 5.24 | |
| 28 x 28 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 14.15 | 13.00 | 12.23 | 11.47 | 10.70 | |
| 28 x 28 x 10" | ECT-32 Single Wall Corrugated | 10/150 | 13.40 | 12.32 | 11.59 | 10.87 | 10.14 | |
| 28 x 28 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 7.19 | 6.75 | 6.32 | 5.88 | 5.45 | |
| 28 x 28 x 12" | ECT-48 Double Wall Corrugated | 10/90 | 25.46 | 23.40 | 22.02 | 20.65 | 19.27 | |
| 28 x 28 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 9.45 | 8.90 | 8.34 | 7.78 | 7.23 | |
| 28 x 28 x 22" | ECT-32 Single Wall Corrugated | 10/150 | 15.41 | 14.16 | 13.33 | 12.50 | 11.66 | |
| 28 x 28 x 28" | ECT-32 Single Wall Corrugated | 5/120 | 9.01 | 9.01 | 9.01 | 9.01 | 9.01 | |
| 28 x 28 x 28" | ECT-48 Double Wall Corrugated | 5/90 | 26.44 | 24.30 | 22.87 | 21.44 | 20.01 | |
| 29 x 17 x 3" | ECT-32 Single Wall Corrugated | 25/300 | 5.50 | 5.06 | 4.76 | 4.46 | 4.17 | |
| 29 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 3.74 | 3.45 | 3.25 | 3.06 | 2.86 | |
| 29 x 17 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 6.40 | 5.88 | 5.53 | 5.19 | 4.84 | |
| 29 x 17 x 9" | ECT-32 Single Wall Corrugated | 15/150 | 4.25 | 3.92 | 3.69 | 3.47 | 3.25 | |
| 29 x 17 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.79 | 4.53 | 4.13 | 3.86 | 3.59 | |
| 29 x 17 x 15" | ECT-32 Single Wall Corrugated | 15/150 | 5.12 | 4.69 | 4.41 | 4.12 | 3.84 | |
| 29 x 17 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 5.75 | 5.40 | 5.05 | 4.70 | 4.36 | |
| 29 x 24 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 16.63 | 15.28 | 14.38 | 13.48 | 12.58 | |
| 30 x 5 x 24" | FOL | 10/120 | 4.10 | 3.86 | 3.62 | 3.38 | 3.14 | |
| 30 x 5 x 30" | FOL | 10/120 | 5.16 | 4.75 | 4.48 | 4.21 | 3.94 | |
| 30 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/375 | 1.78 | 1.63 | 1.46 | 1.36 | 1.26 | |
| 30 x 6 x 24" | ECT-44 Corrugated | 10/140 | 10.88 | 10.00 | 9.41 | 8.82 | 8.23 | |
| 30 x 6 x 24" | Inside Telescopic HSC | 10/150 | 6.84 | 6.29 | 5.92 | 5.55 | 5.18 | |
| 30 x 6 x 30" | ECT-44 Corrugated | 10/120 | 12.72 | 11.69 | 11.00 | 10.31 | 9.62 | |
| 30 x 6 x 40" | ECT-44 Corrugated | 10/140 | 15.71 | 14.44 | 13.59 | 12.74 | 11.89 | |
| 30 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 2.21 | 2.03 | 1.91 | 1.79 | 1.67 | |
| 30 x 10 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 2.35 | 2.20 | 2.06 | 1.91 | 1.76 | |
| 30 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/375 | 4.30 | 3.95 | 3.72 | 3.48 | 3.25 | |
| 30 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 4.37 | 4.02 | 3.78 | 3.55 | 3.31 | |
| 30 x 12 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 3.32 | 3.14 | 2.95 | 2.71 | 2.59 | |
| 30 x 13 x 13" | ECT-32 Single Wall Corrugated | 20/240 | 6.11 | 5.61 | 5.28 | 4.95 | 4.62 | |
| 30 x 14 x 7" | ECT-32 Single Wall Corrugated | 10/120 | 2.88 | 2.71 | 2.54 | 2.37 | 2.20 | |
| 30 x 14 x 10" | ECT-32 Single Wall Corrugated | 10/120 | 3.42 | 3.23 | 3.03 | 2.83 | 2.64 | |
| 30 x 15 x 15" | ECT-32 Single Wall Corrugated | 15/120 | 4.35 | 4.09 | 3.84 | 3.58 | 3.33 | |
| 30 x 15 x 15" | ECT-48 Double Wall Corrugated | 10/90 | 12.64 | 11.62 | 10.93 | 10.25 | 9.57 | |
| 30 x 17 x 16" | ECT-32 Single Wall Corrugated | 15/150 | 4.72 | 4.44 | 4.16 | 3.89 | 3.61 | |
| 30 x 17 x 16" | 14,12,10" | 15/150 | 5.60 | 5.29 | 4.98 | 4.67 | 4.36 | |
| 30 x 17 x 17" | ECT-51 Double Wall Corrugated | 5/75 | 10.31 | 9.50 | 8.96 | 8.41 | 7.87 | |
| 30 x 18 x 16" | ECT-32 Corrugated | 15/150 | 9.22 | 8.47 | 7.97 | 7.47 | 6.98 | |
| 30 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/120 | 5.65 | 5.00 | 4.84 | 4.52 | 4.20 | |
| 30 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 15.98 | 14.69 | 13.82 | 12.96 | 12.09 | |
| 30 x 20 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 3.74 | 3.50 | 3.27 | 3.04 | 2.80 | |
| 30 x 20 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 6.87 | 6.31 | 5.94 | 5.57 | 5.20 | |
| 30 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 4.96 | 4.66 | 4.36 | 4.06 | 3.76 | |
| 30 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.96 | 4.65 | 4.34 | 4.03 | 3.72 | |
| 30 x 20 x 18" | ECT-32 Single Wall Corrugated | 15/150 | 10.16 | 9.33 | 8.78 | 8.23 | 7.69 | |
| 30 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 6.51 | 5.77 | 5.39 | 5.02 | 4.65 | |
| 30 x 20 x 20" | ECT-44 - 18,16,14,12" | 10/120 | 9.08 | 8.57 | 8.07 | 7.82 | 6.81 | |
| 30 x 20 x 20" | ECT-48 Double Wall Corrugated | 10/70 | 10.94 | 10.12 | 9.91 | 9.23 | 8.89 | |
| 30 x 24 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.99 | 6.55 | 6.12 | 5.68 | 5.24 | |
| 30 x 24 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 6.27 | 5.88 | 5.48 | 5.09 | 4.70 | |
| 30 x 24 x 12" | 10,8,6,4" | 15/120 | 7.82 | 7.33 | 6.84 | 6.35 | 5.86 | |
| 30 x 24 x 12" | ECT-48 Double Wall Corrugated | 10/70 | 10.97 | 10.34 | 9.72 | 9.09 | 8.46 | |
| 30 x 24 x 20" | ECT-32 Single Wall Corrugated | 15/150 | 10.19 | 9.59 | 8.99 | 8.39 | 7.79 | |
| 30 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 14.06 | 12.95 | 12.21 | 11.47 | 10.73 | |
| 30 x 26 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 13.35 | 12.26 | 11.54 | 10.82 | 10.10 | |
| 30 x 30 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 7.96 | 7.46 | 6.96 | 6.46 | 5.97 | |
| 30 x 30 x 8" | ECT-32 Single Wall Corrugated | 10/120 | 7.57 | 6.68 | 6.46 | 6.01 | 5.56 | |
| 30 x 30 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 8.13 | 7.62 | 7.12 | 6.61 | 6.10 | |
| 30 x 30 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 10.02 | 9.43 | 8.85 | 8.26 | 7.67 | |
| 30 x 30 x 12" | ECT-48 Double Wall Corrugated | 5/75 | 19.18 | 17.62 | 16.59 | 15.55 | 14.51 | |
| 30 x 30 x 16" | ECT-32 Single Wall Corrugated | 10/120 | 8.35 | 7.83 | 7.31 | 6.78 | 6.26 | |
| 30 x 30 x 16" | ECT-48 Double Wall Corrugated | 5/90 | 20.36 | 18.71 | 17.61 | 16.51 | 15.41 | |
| 30 x 30 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 17.98 | 16.52 | 15.55 | 14.58 | 13.61 | |
| 30 x 30 x 20" | ECT-48 Double Wall Corrugated | 5/90 | 22.94 | 21.08 | 19.84 | 18.60 | 17.36 | |
| 30 x 30 x 25" | ECT-32 Single Wall Corrugated | 5/120 | 10.33 | 9.70 | 9.08 | 8.45 | 7.83 | |
| 30 x 30 x 30" | ECT-32 Single Wall Corrugated | 5/120 | 12.72 | 11.97 | 11.22 | 10.47 | 9.73 | |
| 30 x 30 x 30" | ECT-48 Double Wall Corrugated | 5/75 | 19.73 | 18.50 | 17.26 | 16.03 | 14.80 | |
| 30 x 30 x 30" | ECT-90 Triple Wall Corrugated | 5/30 | 53.42 | 50.08 | 46.74 | 43.40 | 40.06 | |
| 30 1/2 x 6 1/2 x 24" | Outside Telescopic HSC | 10/150 | 7.15 | 6.57 | 6.19 | 5.80 | 5.41 | |
| 31 x 16 x 9" | ECT-32 Corrugated | 10/120 | 6.34 | 5.83 | 5.48 | 5.14 | 4.80 | |
| 32 x 6 x 6" | ECT-32 Corrugated | 25/375 | 1.88 | 1.67 | 1.56 | 1.46 | 1.35 | |
| 32 x 8 x 8" | ECT-32 Corrugated | 25/375 | 1.88 | 1.76 | 1.65 | 1.53 | 1.41 | |
| 32 x 10 x 6 1/2" | ECT-32 Corrugated | 20/240 | 3.79 | 3.49 | 3.28 | 3.08 | 2.87 | |
| 32 x 10 x 10" | ECT-32 Corrugated | 20/240 | 4.57 | 4.20 | 3.95 | 3.71 | 3.46 | |
| 32 x 12 x 10" | ECT-32 Corrugated | 20/240 | 3.36 | 3.09 | 2.91 | 2.72 | 2.54 | |
| 32 x 12 x 12" | ECT-32 Corrugated | 20/240 | 3.36 | 3.17 | 2.98 | 2.78 | 2.59 | |
| 32 x 16 x 16" | ECT-32 Corrugated | 15/150 | 8.42 | 7.73 | 7.28 | 6.82 | 6.37 | |
| 32 x 18 x 8" | ECT-32 Corrugated | 15/150 | 4.67 | 4.29 | 4.04 | 3.79 | 3.54 | |
| 32 x 18 x 12" | ECT-32 Corrugated | 15/150 | 4.78 | 4.54 | 4.21 | 3.91 | 3.70 | |
| 32 x 18 x 18" | ECT-32 Corrugated | 15/150 | 7.34 | 6.74 | 6.34 | 5.95 | 5.55 | |
| 32 x 24 x 24" | ECT-32 Corrugated | 15/150 | 10.93 | 10.39 | 9.70 | 9.02 | 8.34 | |
| 32 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 11.04 | 10.35 | 9.66 | 8.97 | 8.28 | |
| 32 x 24 x 24" | ECT-48 Double Wall Corrugated | 5/75 | 14.38 | 13.54 | 13.11 | 12.35 | 12.01 | |
| 32 x 32 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 17.13 | 15.74 | 14.82 | 13.89 | 12.97 | |
| 32 x 32 x 12" | ECT-32 Single Wall Corrugated | 10/150 | 13.98 | 12.85 | 12.09 | 11.34 | 10.58 | |
| 32 x 32 x 32" | ECT-32 Single Wall Corrugated | 5/120 | 13.73 | 12.92 | 12.52 | 11.71 | 11.31 | |
| 32 x 32 x 32" | ECT-48 Double Wall Corrugated | 5/90 | 27.09 | 24.90 | 23.43 | 21.97 | 20.50 | |
| 33 x 8 1/2 x 5" | ECT-32 Single Wall Corrugated | 25/375 | 2.94 | 2.70 | 2.54 | 2.38 | 2.22 | |
| 34 x 10 x 6" | ECT-32 Single Wall Corrugated | 10/300 | 2.47 | 2.33 | 2.19 | 2.05 | 1.90 | |
| 34 x 21 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 9.20 | 8.46 | 7.96 | 7.46 | 6.96 | |
| 34 x 34 x 34" | ECT-32 Single Wall Corrugated | 5/120 | 14.68 | 14.13 | 13.31 | 12.85 | 12.39 | |