| 27 x 14 x 9" | ECT-32 Single Wall Corrugated | 20/240 | $2.71 | $2.65 | $2.61 | $2.57 | $2.51 | |
| 27 x 27 x 27" | ECT-32 Single Wall Corrugated | 5/120 | 7.88 | 7.71 | 7.59 | 7.48 | 7.30 | |
| 28 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/625 | 1.59 | 1.55 | 1.53 | 1.50 | 1.47 | |
| 28 x 5 x 24" | FOL | 10/120 | 4.17 | 4.08 | 4.02 | 3.96 | 3.86 | |
| 28 x 5 x 38" | FOL | 20/120 | 5.87 | 5.74 | 5.65 | 5.56 | 5.43 | |
| 28 x 6 x 6" | ECT-32 Single Wall Corrugated | 20/240 | 1.26 | 1.23 | 1.21 | 1.19 | 1.16 | |
| 28 x 6 x 20" | ECT-44 Single Wall Corrugated | 5/120 | 6.72 | 6.57 | 6.47 | 6.37 | 6.22 | |
| 28 x 6 x 52" | FOL | 5/120 | 10.92 | 10.68 | 10.52 | 10.36 | 10.11 | |
| 28 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.45 | 1.41 | 1.39 | 1.37 | 1.34 | |
| 28 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/300 | 2.19 | 2.14 | 2.11 | 2.07 | 2.03 | |
| 28 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/300 | 1.88 | 1.84 | 1.81 | 1.78 | 1.74 | |
| 28 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/300 | 3.18 | 3.11 | 3.06 | 3.02 | 2.95 | |
| 28 x 12 x 12" | ECT-32 Single Wall Corrugated | 20/240 | 2.24 | 2.19 | 2.16 | 2.12 | 2.07 | |
| 28 x 14 x 14" | ECT-32 Single Wall Corrugated | 20/120 | 3.04 | 2.97 | 2.92 | 2.88 | 2.81 | |
| 28 x 16 x 5" | ECT-32 Single Wall Corrugated | 25/300 | 3.87 | 3.79 | 3.73 | 3.67 | 3.59 | |
| 28 x 16 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 2.31 | 2.26 | 2.22 | 2.19 | 2.14 | |
| 28 x 16 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 2.60 | 2.54 | 2.50 | 2.46 | 2.41 | |
| 28 x 16 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 3.14 | 3.07 | 3.02 | 2.97 | 2.90 | |
| 28 x 16 x 14" | ECT-32 Single Wall Corrugated | 15/120 | 3.56 | 3.48 | 3.43 | 3.37 | 3.29 | |
| 28 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 2.62 | 2.57 | 2.53 | 2.49 | 2.43 | |
| 28 x 18 x 6" | ECT-32 Single Wall Corrugated | 20/140 | 4.91 | 4.80 | 4.73 | 4.65 | 4.54 | |
| 28 x 18 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 4.05 | 3.96 | 3.90 | 3.84 | 3.75 | |
| 28 x 18 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 4.33 | 4.23 | 4.17 | 4.10 | 4.01 | |
| 28 x 18 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 3.37 | 3.30 | 3.25 | 3.20 | 3.12 | |
| 28 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/150 | 4.23 | 4.13 | 4.07 | 4.01 | 3.91 | |
| 28 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 9.93 | 9.71 | 9.56 | 9.41 | 9.19 | |
| 28 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.45 | 5.33 | 5.25 | 5.17 | 5.04 | |
| 28 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 3.81 | 3.72 | 3.67 | 3.61 | 3.52 | |
| 28 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 4.55 | 4.45 | 4.38 | 4.31 | 4.21 | |
| 28 x 20 x 24" | 22,20,18,16,14" | 10/120 | 8.52 | 8.33 | 8.21 | 8.08 | 7.89 | |
| 28 x 20 x 25" | ECT-32 Single Wall Corrugated | 10/120 | 5.72 | 5.59 | 5.51 | 5.42 | 5.29 | |
| 28 x 24 x 6" | ECT-32 Single Wall Corrugated | 10/240 | 4.02 | 3.93 | 3.87 | 3.81 | 3.72 | |
| 28 x 24 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 10.27 | 10.04 | 9.89 | 9.73 | 9.51 | |
| 28 x 28 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 5.24 | 5.13 | 5.05 | 4.97 | 4.85 | |
| 28 x 28 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 10.32 | 10.09 | 9.94 | 9.79 | 9.56 | |
| 28 x 28 x 10" | ECT-32 Single Wall Corrugated | 10/150 | 9.78 | 9.56 | 9.42 | 9.27 | 9.06 | |
| 28 x 28 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 5.88 | 5.75 | 5.67 | 5.58 | 5.45 | |
| 28 x 28 x 12" | ECT-48 Double Wall Corrugated | 10/90 | 18.58 | 18.17 | 17.89 | 17.62 | 17.21 | |
| 28 x 28 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 7.51 | 7.34 | 7.23 | 7.12 | 6.95 | |
| 28 x 28 x 22" | ECT-32 Single Wall Corrugated | 10/150 | 11.25 | 11.00 | 10.83 | 10.66 | 10.41 | |
| 28 x 28 x 28" | ECT-32 Single Wall Corrugated | 5/120 | 8.69 | 8.50 | 8.37 | 8.24 | 8.05 | |
| 28 x 28 x 28" | ECT-48 Double Wall Corrugated | 5/90 | 19.30 | 18.87 | 18.58 | 18.29 | 17.87 | |
| 29 x 17 x 3" | ECT-32 Single Wall Corrugated | 25/300 | 4.02 | 3.93 | 3.87 | 3.81 | 3.72 | |
| 29 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 2.66 | 2.60 | 2.56 | 2.52 | 2.46 | |
| 29 x 17 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 4.67 | 4.57 | 4.50 | 4.43 | 4.32 | |
| 29 x 17 x 9" | ECT-32 Single Wall Corrugated | 15/150 | 3.02 | 2.96 | 2.91 | 2.87 | 2.80 | |
| 29 x 17 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 3.59 | 3.52 | 3.46 | 3.41 | 3.33 | |
| 29 x 17 x 15" | ECT-32 Single Wall Corrugated | 15/150 | 3.84 | 3.75 | 3.69 | 3.64 | 3.55 | |
| 29 x 17 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 4.28 | 4.19 | 4.12 | 4.06 | 3.97 | |
| 29 x 24 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 12.13 | 11.86 | 11.69 | 11.51 | 11.24 | |
| 30 x 5 x 24" | FOL | 10/120 | 3.26 | 3.18 | 3.14 | 3.09 | 3.02 | |
| 30 x 5 x 30" | FOL | 10/120 | 3.67 | 3.58 | 3.53 | 3.48 | 3.39 | |
| 30 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/375 | 1.21 | 1.18 | 1.17 | 1.15 | 1.12 | |
| 30 x 6 x 24" | ECT-44 Corrugated | 10/140 | 7.94 | 7.76 | 7.64 | 7.53 | 7.35 | |
| 30 x 6 x 24" | Inside Telescopic HSC | 10/150 | 4.99 | 4.88 | 4.81 | 4.73 | 4.62 | |
| 30 x 6 x 30" | ECT-44 Corrugated | 10/120 | 9.28 | 9.07 | 8.94 | 8.80 | 8.59 | |
| 30 x 6 x 40" | ECT-44 Corrugated | 10/140 | 11.46 | 11.21 | 11.04 | 10.87 | 10.62 | |
| 30 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.61 | 1.58 | 1.55 | 1.53 | 1.49 | |
| 30 x 10 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 1.98 | 1.94 | 1.91 | 1.88 | 1.84 | |
| 30 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/375 | 3.14 | 3.07 | 3.02 | 2.97 | 2.90 | |
| 30 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 3.19 | 3.12 | 3.07 | 3.03 | 2.96 | |
| 30 x 12 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 2.49 | 2.44 | 2.40 | 2.36 | 2.31 | |
| 30 x 13 x 13" | ECT-32 Single Wall Corrugated | 20/240 | 4.46 | 4.36 | 4.29 | 4.23 | 4.13 | |
| 30 x 14 x 7" | ECT-32 Single Wall Corrugated | 10/120 | 2.29 | 2.24 | 2.20 | 2.17 | 2.12 | |
| 30 x 14 x 10" | ECT-32 Single Wall Corrugated | 10/120 | 2.64 | 2.58 | 2.54 | 2.50 | 2.44 | |
| 30 x 15 x 15" | ECT-32 Single Wall Corrugated | 15/120 | 3.45 | 3.38 | 3.33 | 3.28 | 3.20 | |
| 30 x 15 x 15" | ECT-48 Double Wall Corrugated | 10/90 | 9.23 | 9.02 | 8.88 | 8.75 | 8.54 | |
| 30 x 17 x 16" | ECT-32 Single Wall Corrugated | 15/150 | 3.75 | 3.66 | 3.61 | 3.55 | 3.47 | |
| 30 x 17 x 16" | 14,12,10" | 15/150 | 4.20 | 4.11 | 4.04 | 3.98 | 3.89 | |
| 30 x 17 x 17" | ECT-51 Double Wall Corrugated | 5/75 | 7.33 | 7.16 | 7.06 | 6.95 | 6.78 | |
| 30 x 18 x 16" | ECT-32 Corrugated | 15/150 | 6.73 | 6.58 | 6.48 | 6.38 | 6.23 | |
| 30 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/120 | 4.36 | 4.26 | 4.20 | 4.13 | 4.03 | |
| 30 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 11.66 | 11.40 | 11.23 | 11.06 | 10.80 | |
| 30 x 20 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 3.15 | 3.08 | 3.04 | 2.99 | 2.92 | |
| 30 x 20 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 5.01 | 4.90 | 4.83 | 4.75 | 4.64 | |
| 30 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 4.06 | 3.97 | 3.91 | 3.85 | 3.76 | |
| 30 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.19 | 4.09 | 4.03 | 3.97 | 3.88 | |
| 30 x 20 x 18" | ECT-32 Single Wall Corrugated | 15/150 | 7.41 | 7.25 | 7.14 | 7.03 | 6.86 | |
| 30 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 4.62 | 4.52 | 4.45 | 4.38 | 4.28 | |
| 30 x 20 x 20" | ECT-44 - 18,16,14,12" | 10/120 | 6.81 | 6.66 | 6.56 | 6.45 | 6.30 | |
| 30 x 20 x 20" | ECT-48 Double Wall Corrugated | 10/70 | 9.23 | 9.02 | 8.89 | 8.75 | 8.55 | |
| 30 x 24 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.90 | 5.77 | 5.68 | 5.59 | 5.46 | |
| 30 x 24 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 5.29 | 5.17 | 5.09 | 5.01 | 4.90 | |
| 30 x 24 x 12" | 10,8,6,4" | 15/120 | 6.59 | 6.45 | 6.35 | 6.25 | 6.11 | |
| 30 x 24 x 12" | ECT-48 Double Wall Corrugated | 10/70 | 8.46 | 8.27 | 8.15 | 8.02 | 7.84 | |
| 30 x 24 x 20" | ECT-32 Single Wall Corrugated | 15/150 | 8.09 | 7.91 | 7.79 | 7.67 | 7.50 | |
| 30 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 9.99 | 9.77 | 9.62 | 9.47 | 9.25 | |
| 30 x 26 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 9.74 | 9.52 | 9.38 | 9.23 | 9.02 | |
| 30 x 30 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 6.71 | 6.56 | 6.46 | 6.36 | 6.22 | |
| 30 x 30 x 8" | ECT-32 Single Wall Corrugated | 10/120 | 6.01 | 5.88 | 5.79 | 5.70 | 5.56 | |
| 30 x 30 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.86 | 6.71 | 6.61 | 6.51 | 6.35 | |
| 30 x 30 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 7.96 | 7.78 | 7.67 | 7.55 | 7.37 | |
| 30 x 30 x 12" | ECT-48 Double Wall Corrugated | 5/75 | 14.00 | 13.68 | 13.48 | 13.27 | 12.96 | |
| 30 x 30 x 16" | ECT-32 Single Wall Corrugated | 10/120 | 7.05 | 6.89 | 6.78 | 6.68 | 6.52 | |
| 30 x 30 x 16" | ECT-48 Double Wall Corrugated | 5/90 | 14.86 | 14.53 | 14.31 | 14.09 | 13.76 | |
| 30 x 30 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 13.12 | 12.83 | 12.64 | 12.44 | 12.15 | |
| 30 x 30 x 20" | ECT-48 Double Wall Corrugated | 5/90 | 16.74 | 16.37 | 16.12 | 15.87 | 15.50 | |
| 30 x 30 x 25" | ECT-32 Single Wall Corrugated | 5/120 | 8.45 | 8.26 | 8.14 | 8.01 | 7.83 | |
| 30 x 30 x 30" | ECT-32 Single Wall Corrugated | 5/120 | 10.10 | 9.88 | 9.73 | 9.58 | 9.35 | |
| 30 x 30 x 30" | ECT-48 Double Wall Corrugated | 5/75 | 14.18 | 13.87 | 13.66 | 13.45 | 13.13 | |
| 30 x 30 x 30" | ECT-90 Triple Wall Corrugated | 5/30 | 45.07 | 44.07 | 43.40 | 42.73 | 41.73 | |
| 30 1/2 x 6 1/2 x 24" | Outside Telescopic HSC | 10/150 | 5.22 | 5.11 | 5.03 | 4.95 | 4.83 | |
| 31 x 16 x 9" | ECT-32 Corrugated | 10/120 | 4.63 | 4.52 | 4.46 | 4.39 | 4.28 | |
| 32 x 6 x 6" | ECT-32 Corrugated | 25/375 | 1.41 | 1.38 | 1.35 | 1.33 | 1.30 | |
| 32 x 8 x 8" | ECT-32 Corrugated | 25/375 | 1.59 | 1.55 | 1.53 | 1.50 | 1.47 | |
| 32 x 10 x 6 1/2" | ECT-32 Corrugated | 20/240 | 2.77 | 2.71 | 2.67 | 2.63 | 2.56 | |
| 32 x 10 x 10" | ECT-32 Corrugated | 20/240 | 3.34 | 3.26 | 3.21 | 3.16 | 3.09 | |
| 32 x 12 x 10" | ECT-32 Corrugated | 20/240 | 2.41 | 2.35 | 2.32 | 2.28 | 2.23 | |
| 32 x 12 x 12" | ECT-32 Corrugated | 20/240 | 2.59 | 2.53 | 2.50 | 2.46 | 2.40 | |
| 32 x 16 x 16" | ECT-32 Corrugated | 15/150 | 6.14 | 6.00 | 5.91 | 5.82 | 5.69 | |
| 32 x 18 x 8" | ECT-32 Corrugated | 15/150 | 3.29 | 3.22 | 3.17 | 3.12 | 3.05 | |
| 32 x 18 x 12" | ECT-32 Corrugated | 15/150 | 4.03 | 3.94 | 3.88 | 3.82 | 3.73 | |
| 32 x 18 x 18" | ECT-32 Corrugated | 15/150 | 5.35 | 5.23 | 5.15 | 5.08 | 4.96 | |
| 32 x 24 x 24" | ECT-32 Corrugated | 15/150 | 9.23 | 9.02 | 8.88 | 8.75 | 8.54 | |
| 32 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 9.32 | 9.11 | 8.97 | 8.83 | 8.63 | |
| 32 x 24 x 24" | ECT-48 Double Wall Corrugated | 5/75 | 11.42 | 11.17 | 11.00 | 10.83 | 10.58 | |
| 32 x 32 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 12.50 | 12.23 | 12.04 | 11.85 | 11.58 | |
| 32 x 32 x 12" | ECT-32 Single Wall Corrugated | 10/150 | 10.20 | 9.98 | 9.83 | 9.67 | 9.45 | |
| 32 x 32 x 32" | ECT-32 Single Wall Corrugated | 5/120 | 10.90 | 10.66 | 10.50 | 10.34 | 10.10 | |
| 32 x 32 x 32" | ECT-48 Double Wall Corrugated | 5/90 | 19.77 | 19.33 | 19.04 | 18.75 | 18.31 | |
| 33 x 8 1/2 x 5" | ECT-32 Single Wall Corrugated | 25/375 | 2.14 | 2.10 | 2.07 | 2.03 | 1.99 | |
| 34 x 10 x 6" | ECT-32 Single Wall Corrugated | 10/300 | 1.90 | 1.86 | 1.83 | 1.81 | 1.76 | |
| 34 x 21 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 7.00 | 6.84 | 6.74 | 6.63 | 6.48 | |
| 34 x 34 x 34" | ECT-32 Single Wall Corrugated | 5/120 | 12.39 | 12.11 | 11.93 | 11.75 | 11.47 | |