| 27 x 14 x 9" | ECT-32 Single Wall Corrugated | 20/240 | $2.51 | $2.41 | $2.31 | $2.31 | $2.31 | |
| 27 x 27 x 27" | ECT-32 Single Wall Corrugated | 5/120 | 7.30 | 7.01 | 6.72 | 6.72 | 6.72 | |
| 28 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/625 | 1.47 | 1.41 | 1.35 | 1.35 | 1.35 | |
| 28 x 5 x 24" | FOL | 10/120 | 3.86 | 3.71 | 3.56 | 3.56 | 3.56 | |
| 28 x 5 x 38" | FOL | 20/120 | 5.43 | 5.22 | 5.00 | 5.00 | 5.00 | |
| 28 x 6 x 6" | ECT-32 Single Wall Corrugated | 20/240 | 1.16 | 1.12 | 1.07 | 1.07 | 1.07 | |
| 28 x 6 x 20" | ECT-44 Single Wall Corrugated | 5/120 | 6.22 | 5.97 | 5.72 | 5.72 | 5.72 | |
| 28 x 6 x 52" | FOL | 5/120 | 10.11 | 9.71 | 9.31 | 9.31 | 9.31 | |
| 28 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.34 | 1.28 | 1.23 | 1.23 | 1.23 | |
| 28 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/300 | 1.52 | 1.46 | 1.40 | 1.40 | 1.40 | |
| 28 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/300 | 1.74 | 1.67 | 1.60 | 1.60 | 1.60 | |
| 28 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/300 | 2.95 | 2.83 | 2.71 | 2.71 | 2.71 | |
| 28 x 12 x 12" | ECT-32 Single Wall Corrugated | 20/240 | 2.22 | 2.13 | 2.04 | 2.04 | 2.04 | |
| 28 x 14 x 14" | ECT-32 Single Wall Corrugated | 20/120 | 2.81 | 2.70 | 2.59 | 2.59 | 2.59 | |
| 28 x 16 x 5" | ECT-32 Single Wall Corrugated | 25/300 | 3.59 | 3.44 | 3.30 | 3.30 | 3.30 | |
| 28 x 16 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 2.47 | 2.37 | 2.28 | 2.28 | 2.28 | |
| 28 x 16 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 2.71 | 2.60 | 2.50 | 2.50 | 2.50 | |
| 28 x 16 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 2.90 | 2.79 | 2.67 | 2.67 | 2.67 | |
| 28 x 16 x 14" | ECT-32 Single Wall Corrugated | 15/120 | 3.29 | 3.16 | 3.03 | 3.03 | 3.03 | |
| 28 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 2.43 | 2.33 | 2.23 | 2.23 | 2.23 | |
| 28 x 18 x 6" | ECT-32 Single Wall Corrugated | 20/140 | 4.54 | 4.36 | 4.18 | 4.18 | 4.18 | |
| 28 x 18 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 3.75 | 3.60 | 3.45 | 3.45 | 3.45 | |
| 28 x 18 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 4.01 | 3.85 | 3.69 | 3.69 | 3.69 | |
| 28 x 18 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 3.12 | 3.00 | 2.87 | 2.87 | 2.87 | |
| 28 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/150 | 3.91 | 3.76 | 3.60 | 3.60 | 3.60 | |
| 28 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 9.13 | 9.13 | 9.13 | 9.13 | 9.13 | |
| 28 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.04 | 4.84 | 4.64 | 4.64 | 4.64 | |
| 28 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 3.52 | 3.38 | 3.24 | 3.24 | 3.24 | |
| 28 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 4.21 | 4.04 | 3.87 | 3.87 | 3.87 | |
| 28 x 20 x 24" | 22,20,18,16,14" | 10/120 | 7.89 | 7.58 | 7.26 | 7.26 | 7.26 | |
| 28 x 20 x 25" | ECT-32 Single Wall Corrugated | 10/120 | 5.29 | 5.08 | 4.87 | 4.87 | 4.87 | |
| 28 x 24 x 6" | ECT-32 Single Wall Corrugated | 10/240 | 3.72 | 3.57 | 3.43 | 3.43 | 3.43 | |
| 28 x 24 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 9.51 | 9.13 | 8.75 | 8.75 | 8.75 | |
| 28 x 28 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 4.85 | 4.66 | 4.47 | 4.47 | 4.47 | |
| 28 x 28 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 9.56 | 9.18 | 8.79 | 8.79 | 8.79 | |
| 28 x 28 x 10" | ECT-32 Single Wall Corrugated | 10/150 | 9.06 | 8.69 | 8.33 | 8.33 | 8.33 | |
| 28 x 28 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 5.45 | 5.23 | 5.01 | 5.01 | 5.01 | |
| 28 x 28 x 12" | ECT-48 Double Wall Corrugated | 10/90 | 17.21 | 16.52 | 15.83 | 15.83 | 15.83 | |
| 28 x 28 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 6.95 | 6.67 | 6.39 | 6.39 | 6.39 | |
| 28 x 28 x 22" | ECT-32 Single Wall Corrugated | 10/150 | 10.41 | 10.00 | 9.58 | 9.58 | 9.58 | |
| 28 x 28 x 28" | ECT-32 Single Wall Corrugated | 5/120 | 8.05 | 7.73 | 7.40 | 7.40 | 7.40 | |
| 28 x 28 x 28" | ECT-48 Double Wall Corrugated | 5/90 | 17.15 | 17.15 | 17.15 | 17.15 | 17.15 | |
| 29 x 17 x 3" | ECT-32 Single Wall Corrugated | 25/300 | 3.72 | 3.57 | 3.42 | 3.42 | 3.42 | |
| 29 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 2.46 | 2.37 | 2.27 | 2.27 | 2.27 | |
| 29 x 17 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 4.32 | 4.15 | 3.98 | 3.98 | 3.98 | |
| 29 x 17 x 9" | ECT-32 Single Wall Corrugated | 15/150 | 2.80 | 2.69 | 2.57 | 2.57 | 2.57 | |
| 29 x 17 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 3.33 | 3.20 | 3.06 | 3.06 | 3.06 | |
| 29 x 17 x 15" | ECT-32 Single Wall Corrugated | 15/150 | 3.55 | 3.41 | 3.27 | 3.27 | 3.27 | |
| 29 x 17 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 4.36 | 4.18 | 4.01 | 4.01 | 4.01 | |
| 29 x 24 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 11.24 | 10.79 | 10.34 | 10.34 | 10.34 | |
| 30 x 5 x 24" | FOL | 10/120 | 2.90 | 2.78 | 2.67 | 2.67 | 2.67 | |
| 30 x 5 x 30" | FOL | 10/120 | 3.39 | 3.26 | 3.12 | 3.12 | 3.12 | |
| 30 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/375 | 1.08 | 1.03 | .99 | .99 | .99 | |
| 30 x 6 x 24" | ECT-44 Corrugated | 10/140 | 7.35 | 7.06 | 6.76 | 6.76 | 6.76 | |
| 30 x 6 x 24" | Inside Telescopic HSC | 10/150 | 4.62 | 4.44 | 4.25 | 4.25 | 4.25 | |
| 30 x 6 x 30" | ECT-44 Corrugated | 10/120 | 8.59 | 8.25 | 7.91 | 7.91 | 7.91 | |
| 30 x 6 x 40" | ECT-44 Corrugated | 10/140 | 10.62 | 10.19 | 9.77 | 9.77 | 9.77 | |
| 30 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.49 | 1.43 | 1.37 | 1.37 | 1.37 | |
| 30 x 10 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 1.84 | 1.76 | 1.69 | 1.69 | 1.69 | |
| 30 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/375 | 2.85 | 2.73 | 2.62 | 2.62 | 2.62 | |
| 30 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 2.96 | 2.84 | 2.72 | 2.72 | 2.72 | |
| 30 x 12 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 2.31 | 2.22 | 2.12 | 2.12 | 2.12 | |
| 30 x 13 x 13" | ECT-32 Single Wall Corrugated | 20/240 | 4.13 | 3.96 | 3.80 | 3.80 | 3.80 | |
| 30 x 14 x 7" | ECT-32 Single Wall Corrugated | 10/120 | 1.84 | 1.77 | 1.69 | 1.69 | 1.69 | |
| 30 x 14 x 10" | ECT-32 Single Wall Corrugated | 10/120 | 2.44 | 2.35 | 2.25 | 2.25 | 2.25 | |
| 30 x 15 x 15" | ECT-32 Single Wall Corrugated | 15/120 | 2.67 | 2.56 | 2.45 | 2.45 | 2.45 | |
| 30 x 15 x 15" | ECT-48 Double Wall Corrugated | 10/90 | 8.54 | 8.20 | 7.86 | 7.86 | 7.86 | |
| 30 x 17 x 16" | ECT-32 Single Wall Corrugated | 15/150 | 3.47 | 3.33 | 3.19 | 3.19 | 3.19 | |
| 30 x 17 x 16" | 14,12,10" | 15/150 | 3.89 | 3.73 | 3.58 | 3.58 | 3.58 | |
| 30 x 17 x 17" | ECT-51 Double Wall Corrugated | 5/75 | 6.78 | 6.51 | 6.24 | 6.24 | 6.24 | |
| 30 x 18 x 16" | ECT-32 Corrugated | 15/150 | 6.23 | 5.98 | 5.73 | 5.73 | 5.73 | |
| 30 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/120 | 4.03 | 3.87 | 3.71 | 3.71 | 3.71 | |
| 30 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 10.80 | 10.37 | 9.93 | 9.93 | 9.93 | |
| 30 x 20 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 2.92 | 2.80 | 2.69 | 2.69 | 2.69 | |
| 30 x 20 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 5.00 | 4.80 | 4.60 | 4.60 | 4.60 | |
| 30 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 3.76 | 3.61 | 3.46 | 3.46 | 3.46 | |
| 30 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 3.88 | 3.72 | 3.57 | 3.57 | 3.57 | |
| 30 x 20 x 18" | ECT-32 Single Wall Corrugated | 15/150 | 6.86 | 6.59 | 6.31 | 6.31 | 6.31 | |
| 30 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 4.65 | 4.46 | 4.28 | 4.28 | 4.28 | |
| 30 x 20 x 20" | ECT-44 - 18,16,14,12" | 10/120 | 6.30 | 6.05 | 5.80 | 5.80 | 5.80 | |
| 30 x 20 x 20" | ECT-48 Double Wall Corrugated | 10/70 | 6.89 | 6.61 | 6.34 | 6.34 | 6.34 | |
| 30 x 24 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.46 | 5.24 | 5.02 | 5.02 | 5.02 | |
| 30 x 24 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 4.11 | 3.94 | 3.78 | 3.78 | 3.78 | |
| 30 x 24 x 12" | 10,8,6,4" | 15/120 | 6.11 | 5.86 | 5.62 | 5.62 | 5.62 | |
| 30 x 24 x 12" | ECT-48 Double Wall Corrugated | 10/70 | 7.84 | 7.52 | 7.21 | 7.21 | 7.21 | |
| 30 x 24 x 20" | ECT-32 Single Wall Corrugated | 15/150 | 7.50 | 7.20 | 6.90 | 6.90 | 6.90 | |
| 30 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 9.25 | 8.88 | 8.51 | 8.51 | 8.51 | |
| 30 x 26 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 9.02 | 8.66 | 8.30 | 8.30 | 8.30 | |
| 30 x 30 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 6.22 | 5.97 | 5.72 | 5.72 | 5.72 | |
| 30 x 30 x 8" | ECT-32 Single Wall Corrugated | 10/120 | 5.56 | 5.34 | 5.12 | 5.12 | 5.12 | |
| 30 x 30 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.35 | 6.10 | 5.85 | 5.85 | 5.85 | |
| 30 x 30 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 7.37 | 7.08 | 6.78 | 6.78 | 6.78 | |
| 30 x 30 x 12" | ECT-48 Double Wall Corrugated | 5/75 | 12.96 | 12.44 | 11.92 | 11.92 | 11.92 | |
| 30 x 30 x 16" | ECT-32 Single Wall Corrugated | 10/120 | 6.52 | 6.26 | 6.00 | 6.00 | 6.00 | |
| 30 x 30 x 16" | ECT-48 Double Wall Corrugated | 5/90 | 13.76 | 13.20 | 12.65 | 12.65 | 12.65 | |
| 30 x 30 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 12.15 | 11.66 | 11.18 | 11.18 | 11.18 | |
| 30 x 30 x 20" | ECT-48 Double Wall Corrugated | 5/90 | 15.50 | 14.88 | 14.26 | 14.26 | 14.26 | |
| 30 x 30 x 25" | ECT-32 Single Wall Corrugated | 5/120 | 7.83 | 7.51 | 7.20 | 7.20 | 7.20 | |
| 30 x 30 x 30" | ECT-32 Single Wall Corrugated | 5/120 | 9.35 | 8.98 | 8.60 | 8.60 | 8.60 | |
| 30 x 30 x 30" | ECT-48 Double Wall Corrugated | 5/75 | 15.41 | 14.80 | 14.18 | 14.18 | 14.18 | |
| 30 x 30 x 30" | ECT-90 Triple Wall Corrugated | 5/30 | 41.73 | 40.06 | 38.39 | 38.39 | 38.39 | |
| 30 1/2 x 6 1/2 x 24" | Outside Telescopic HSC | 10/150 | 4.83 | 4.64 | 4.45 | 4.45 | 4.45 | |
| 31 x 16 x 9" | ECT-32 Corrugated | 10/120 | 4.28 | 4.11 | 3.94 | 3.94 | 3.94 | |
| 32 x 6 x 6" | ECT-32 Corrugated | 25/375 | 1.30 | 1.25 | 1.20 | 1.20 | 1.20 | |
| 32 x 8 x 8" | ECT-32 Corrugated | 25/375 | 1.47 | 1.41 | 1.35 | 1.35 | 1.35 | |
| 32 x 10 x 6 1/2" | ECT-32 Corrugated | 20/240 | 2.57 | 2.46 | 2.36 | 2.36 | 2.36 | |
| 32 x 10 x 10" | ECT-32 Corrugated | 20/240 | 3.09 | 2.97 | 2.84 | 2.84 | 2.84 | |
| 32 x 12 x 10" | ECT-32 Corrugated | 20/240 | 2.01 | 1.93 | 1.85 | 1.85 | 1.85 | |
| 32 x 12 x 12" | ECT-32 Corrugated | 20/240 | 2.40 | 2.30 | 2.21 | 2.21 | 2.21 | |
| 32 x 16 x 16" | ECT-32 Corrugated | 15/150 | 5.69 | 5.46 | 5.23 | 5.23 | 5.23 | |
| 32 x 18 x 8" | ECT-32 Corrugated | 15/150 | 3.16 | 3.03 | 2.90 | 2.90 | 2.90 | |
| 32 x 18 x 12" | ECT-32 Corrugated | 15/150 | 2.90 | 2.78 | 2.67 | 2.67 | 2.67 | |
| 32 x 18 x 18" | ECT-32 Corrugated | 15/150 | 4.96 | 4.76 | 4.56 | 4.56 | 4.56 | |
| 32 x 24 x 24" | ECT-32 Corrugated | 15/150 | 8.54 | 8.20 | 7.86 | 7.86 | 7.86 | |
| 32 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 7.25 | 6.96 | 6.67 | 6.67 | 6.67 | |
| 32 x 24 x 24" | ECT-48 Double Wall Corrugated | 5/75 | 10.58 | 10.15 | 9.73 | 9.73 | 9.73 | |
| 32 x 32 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 11.58 | 11.11 | 10.65 | 10.65 | 10.65 | |
| 32 x 32 x 12" | ECT-32 Single Wall Corrugated | 10/150 | 9.45 | 9.07 | 8.69 | 8.69 | 8.69 | |
| 32 x 32 x 32" | ECT-32 Single Wall Corrugated | 5/120 | 10.10 | 9.69 | 9.29 | 9.29 | 9.29 | |
| 32 x 32 x 32" | ECT-48 Double Wall Corrugated | 5/90 | 18.31 | 17.57 | 16.84 | 16.84 | 16.84 | |
| 33 x 8 1/2 x 5" | ECT-32 Single Wall Corrugated | 25/375 | 1.99 | 1.91 | 1.83 | 1.83 | 1.83 | |
| 34 x 10 x 6" | ECT-32 Single Wall Corrugated | 10/300 | 1.76 | 1.69 | 1.62 | 1.62 | 1.62 | |
| 34 x 21 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 6.22 | 5.97 | 5.72 | 5.72 | 5.72 | |
| 34 x 34 x 34" | ECT-32 Single Wall Corrugated | 5/120 | 11.47 | 11.01 | 10.55 | 10.55 | 10.55 | |