| 27 x 14 x 9" | ECT-32 Single Wall Corrugated | 20/240 | $2.51 | $2.42 | $2.33 | $2.23 | $2.14 | |
| 27 x 27 x 27" | ECT-32 Single Wall Corrugated | 5/120 | 7.30 | 7.03 | 6.76 | 6.49 | 6.22 | |
| 28 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/625 | 1.47 | 1.41 | 1.36 | 1.31 | 1.25 | |
| 28 x 5 x 24" | FOL | 10/120 | 3.86 | 3.72 | 3.58 | 3.44 | 3.29 | |
| 28 x 5 x 38" | FOL | 20/120 | 5.43 | 5.23 | 5.03 | 4.83 | 4.63 | |
| 28 x 6 x 6" | ECT-32 Single Wall Corrugated | 20/240 | 1.16 | 1.12 | 1.08 | 1.03 | .99 | |
| 28 x 6 x 20" | ECT-44 Single Wall Corrugated | 5/120 | 6.22 | 5.99 | 5.76 | 5.53 | 5.30 | |
| 28 x 6 x 52" | FOL | 5/120 | 10.11 | 9.74 | 9.36 | 8.99 | 8.62 | |
| 28 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.34 | 1.29 | 1.24 | 1.19 | 1.14 | |
| 28 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/300 | 2.03 | 1.95 | 1.88 | 1.80 | 1.73 | |
| 28 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/300 | 1.74 | 1.68 | 1.61 | 1.55 | 1.48 | |
| 28 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/300 | 2.95 | 2.84 | 2.73 | 2.62 | 2.51 | |
| 28 x 12 x 12" | ECT-32 Single Wall Corrugated | 20/240 | 2.22 | 2.14 | 2.05 | 1.97 | 1.89 | |
| 28 x 14 x 14" | ECT-32 Single Wall Corrugated | 20/120 | 2.81 | 2.71 | 2.60 | 2.50 | 2.40 | |
| 28 x 16 x 5" | ECT-32 Single Wall Corrugated | 25/300 | 3.59 | 3.45 | 3.32 | 3.19 | 3.06 | |
| 28 x 16 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 2.47 | 2.38 | 2.29 | 2.20 | 2.11 | |
| 28 x 16 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 2.71 | 2.61 | 2.51 | 2.41 | 2.31 | |
| 28 x 16 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 2.90 | 2.80 | 2.69 | 2.58 | 2.47 | |
| 28 x 16 x 14" | ECT-32 Single Wall Corrugated | 15/120 | 3.29 | 3.17 | 3.05 | 2.93 | 2.81 | |
| 28 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 2.43 | 2.34 | 2.25 | 2.16 | 2.07 | |
| 28 x 18 x 6" | ECT-32 Single Wall Corrugated | 20/140 | 4.54 | 4.38 | 4.21 | 4.04 | 3.87 | |
| 28 x 18 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 3.75 | 3.61 | 3.47 | 3.33 | 3.19 | |
| 28 x 18 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 4.01 | 3.86 | 3.71 | 3.56 | 3.41 | |
| 28 x 18 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 3.12 | 3.01 | 2.89 | 2.77 | 2.66 | |
| 28 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/150 | 3.91 | 3.77 | 3.62 | 3.48 | 3.33 | |
| 28 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 9.52 | 9.16 | 8.81 | 8.46 | 8.11 | |
| 28 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.04 | 4.86 | 4.67 | 4.48 | 4.30 | |
| 28 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 3.52 | 3.39 | 3.26 | 3.13 | 3.00 | |
| 28 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 4.21 | 4.05 | 3.90 | 3.74 | 3.59 | |
| 28 x 20 x 24" | 22,20,18,16,14" | 10/120 | 7.89 | 7.60 | 7.31 | 7.02 | 6.72 | |
| 28 x 20 x 25" | ECT-32 Single Wall Corrugated | 10/120 | 5.29 | 5.10 | 4.90 | 4.71 | 4.51 | |
| 28 x 24 x 6" | ECT-32 Single Wall Corrugated | 10/240 | 3.72 | 3.59 | 3.45 | 3.31 | 3.17 | |
| 28 x 24 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 9.51 | 9.15 | 8.80 | 8.45 | 8.10 | |
| 28 x 28 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 4.85 | 4.67 | 4.49 | 4.31 | 4.13 | |
| 28 x 28 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 9.56 | 9.20 | 8.85 | 8.50 | 8.14 | |
| 28 x 28 x 10" | ECT-32 Single Wall Corrugated | 10/150 | 9.06 | 8.72 | 8.39 | 8.05 | 7.72 | |
| 28 x 28 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 5.45 | 5.25 | 5.04 | 4.84 | 4.64 | |
| 28 x 28 x 12" | ECT-48 Double Wall Corrugated | 10/90 | 17.21 | 16.57 | 15.93 | 15.29 | 14.66 | |
| 28 x 28 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 6.95 | 6.69 | 6.44 | 6.18 | 5.92 | |
| 28 x 28 x 22" | ECT-32 Single Wall Corrugated | 10/150 | 10.41 | 10.03 | 9.64 | 9.26 | 8.87 | |
| 28 x 28 x 28" | ECT-32 Single Wall Corrugated | 5/120 | 8.05 | 7.75 | 7.45 | 7.15 | 6.86 | |
| 28 x 28 x 28" | ECT-48 Double Wall Corrugated | 5/90 | 17.87 | 17.20 | 16.54 | 15.88 | 15.22 | |
| 29 x 17 x 3" | ECT-32 Single Wall Corrugated | 25/300 | 3.72 | 3.58 | 3.44 | 3.31 | 3.17 | |
| 29 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 2.46 | 2.37 | 2.28 | 2.19 | 2.10 | |
| 29 x 17 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 4.32 | 4.16 | 4.00 | 3.84 | 3.68 | |
| 29 x 17 x 9" | ECT-32 Single Wall Corrugated | 15/150 | 2.80 | 2.69 | 2.59 | 2.49 | 2.38 | |
| 29 x 17 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 3.33 | 3.21 | 3.08 | 2.96 | 2.84 | |
| 29 x 17 x 15" | ECT-32 Single Wall Corrugated | 15/150 | 3.55 | 3.42 | 3.29 | 3.16 | 3.03 | |
| 29 x 17 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 4.36 | 4.19 | 4.03 | 3.87 | 3.71 | |
| 29 x 24 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 11.24 | 10.82 | 10.40 | 9.99 | 9.57 | |
| 30 x 5 x 24" | FOL | 10/120 | 3.02 | 2.90 | 2.79 | 2.68 | 2.57 | |
| 30 x 5 x 30" | FOL | 10/120 | 3.39 | 3.27 | 3.14 | 3.02 | 2.89 | |
| 30 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/375 | 1.24 | 1.19 | 1.15 | 1.10 | 1.05 | |
| 30 x 6 x 24" | ECT-44 Corrugated | 10/140 | 7.35 | 7.08 | 6.81 | 6.53 | 6.26 | |
| 30 x 6 x 24" | Inside Telescopic HSC | 10/150 | 4.62 | 4.45 | 4.28 | 4.11 | 3.94 | |
| 30 x 6 x 30" | ECT-44 Corrugated | 10/120 | 8.59 | 8.28 | 7.96 | 7.64 | 7.32 | |
| 30 x 6 x 40" | ECT-44 Corrugated | 10/140 | 10.62 | 10.22 | 9.83 | 9.44 | 9.04 | |
| 30 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.49 | 1.44 | 1.38 | 1.33 | 1.27 | |
| 30 x 10 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 1.84 | 1.77 | 1.70 | 1.63 | 1.56 | |
| 30 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/375 | 2.90 | 2.80 | 2.69 | 2.58 | 2.47 | |
| 30 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 2.96 | 2.85 | 2.74 | 2.63 | 2.52 | |
| 30 x 12 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 2.31 | 2.22 | 2.14 | 2.05 | 1.97 | |
| 30 x 13 x 13" | ECT-32 Single Wall Corrugated | 20/240 | 4.13 | 3.97 | 3.82 | 3.67 | 3.52 | |
| 30 x 14 x 7" | ECT-32 Single Wall Corrugated | 10/120 | 2.12 | 2.04 | 1.96 | 1.88 | 1.80 | |
| 30 x 14 x 10" | ECT-32 Single Wall Corrugated | 10/120 | 2.44 | 2.35 | 2.26 | 2.17 | 2.08 | |
| 30 x 15 x 15" | ECT-32 Single Wall Corrugated | 15/120 | 3.20 | 3.08 | 2.96 | 2.84 | 2.72 | |
| 30 x 15 x 15" | ECT-48 Double Wall Corrugated | 10/90 | 8.54 | 8.23 | 7.91 | 7.59 | 7.28 | |
| 30 x 17 x 16" | ECT-32 Single Wall Corrugated | 15/150 | 3.47 | 3.34 | 3.21 | 3.08 | 2.96 | |
| 30 x 17 x 16" | 14,12,10" | 15/150 | 3.89 | 3.75 | 3.60 | 3.46 | 3.31 | |
| 30 x 17 x 17" | ECT-51 Double Wall Corrugated | 5/75 | 6.78 | 6.53 | 6.28 | 6.03 | 5.78 | |
| 30 x 18 x 16" | ECT-32 Corrugated | 15/150 | 6.23 | 6.00 | 5.77 | 5.54 | 5.31 | |
| 30 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/120 | 4.03 | 3.89 | 3.74 | 3.59 | 3.44 | |
| 30 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 10.80 | 10.40 | 10.00 | 9.60 | 9.20 | |
| 30 x 20 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 2.92 | 2.81 | 2.70 | 2.59 | 2.49 | |
| 30 x 20 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 4.64 | 4.47 | 4.30 | 4.13 | 3.95 | |
| 30 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 3.76 | 3.62 | 3.48 | 3.34 | 3.20 | |
| 30 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 3.88 | 3.73 | 3.59 | 3.45 | 3.30 | |
| 30 x 20 x 18" | ECT-32 Single Wall Corrugated | 15/150 | 6.86 | 6.61 | 6.35 | 6.10 | 5.85 | |
| 30 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 4.65 | 4.48 | 4.31 | 4.13 | 3.96 | |
| 30 x 20 x 20" | ECT-44 - 18,16,14,12" | 10/120 | 6.30 | 6.07 | 5.84 | 5.60 | 5.37 | |
| 30 x 20 x 20" | ECT-48 Double Wall Corrugated | 10/70 | 8.55 | 8.23 | 7.91 | 7.60 | 7.28 | |
| 30 x 24 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.46 | 5.26 | 5.06 | 4.85 | 4.65 | |
| 30 x 24 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 4.90 | 4.72 | 4.53 | 4.35 | 4.17 | |
| 30 x 24 x 12" | 10,8,6,4" | 15/120 | 6.11 | 5.88 | 5.65 | 5.43 | 5.20 | |
| 30 x 24 x 12" | ECT-48 Double Wall Corrugated | 10/70 | 7.84 | 7.54 | 7.25 | 6.96 | 6.67 | |
| 30 x 24 x 20" | ECT-32 Single Wall Corrugated | 15/150 | 7.50 | 7.22 | 6.94 | 6.66 | 6.38 | |
| 30 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 9.25 | 8.91 | 8.56 | 8.22 | 7.88 | |
| 30 x 26 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 9.02 | 8.68 | 8.35 | 8.02 | 7.68 | |
| 30 x 30 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 6.22 | 5.99 | 5.75 | 5.52 | 5.29 | |
| 30 x 30 x 8" | ECT-32 Single Wall Corrugated | 10/120 | 5.56 | 5.36 | 5.15 | 4.95 | 4.74 | |
| 30 x 30 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.35 | 6.12 | 5.88 | 5.65 | 5.41 | |
| 30 x 30 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 7.37 | 7.10 | 6.82 | 6.55 | 6.28 | |
| 30 x 30 x 12" | ECT-48 Double Wall Corrugated | 5/75 | 12.96 | 12.48 | 12.00 | 11.52 | 11.04 | |
| 30 x 30 x 16" | ECT-32 Single Wall Corrugated | 10/120 | 6.52 | 6.28 | 6.04 | 5.80 | 5.56 | |
| 30 x 30 x 16" | ECT-48 Double Wall Corrugated | 5/90 | 13.76 | 13.25 | 12.74 | 12.23 | 11.72 | |
| 30 x 30 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 12.15 | 11.70 | 11.25 | 10.80 | 10.35 | |
| 30 x 30 x 20" | ECT-48 Double Wall Corrugated | 5/90 | 15.50 | 14.93 | 14.35 | 13.78 | 13.21 | |
| 30 x 30 x 25" | ECT-32 Single Wall Corrugated | 5/120 | 7.83 | 7.54 | 7.25 | 6.96 | 6.67 | |
| 30 x 30 x 30" | ECT-32 Single Wall Corrugated | 5/120 | 9.35 | 9.01 | 8.66 | 8.31 | 7.97 | |
| 30 x 30 x 30" | ECT-48 Double Wall Corrugated | 5/75 | 15.41 | 14.84 | 14.27 | 13.70 | 13.13 | |
| 30 x 30 x 30" | ECT-90 Triple Wall Corrugated | 5/30 | 41.73 | 40.19 | 38.64 | 37.09 | 35.55 | |
| 30 1/2 x 6 1/2 x 24" | Outside Telescopic HSC | 10/150 | 4.83 | 4.66 | 4.48 | 4.30 | 4.12 | |
| 31 x 16 x 9" | ECT-32 Corrugated | 10/120 | 4.28 | 4.13 | 3.97 | 3.81 | 3.65 | |
| 32 x 6 x 6" | ECT-32 Corrugated | 25/375 | 1.30 | 1.25 | 1.21 | 1.16 | 1.11 | |
| 32 x 8 x 8" | ECT-32 Corrugated | 25/375 | 1.47 | 1.41 | 1.36 | 1.31 | 1.25 | |
| 32 x 10 x 6 1/2" | ECT-32 Corrugated | 20/240 | 2.56 | 2.47 | 2.37 | 2.28 | 2.18 | |
| 32 x 10 x 10" | ECT-32 Corrugated | 20/240 | 3.09 | 2.98 | 2.86 | 2.75 | 2.63 | |
| 32 x 12 x 10" | ECT-32 Corrugated | 20/240 | 2.27 | 2.19 | 2.10 | 2.02 | 1.93 | |
| 32 x 12 x 12" | ECT-32 Corrugated | 20/240 | 2.40 | 2.31 | 2.22 | 2.13 | 2.04 | |
| 32 x 16 x 16" | ECT-32 Corrugated | 15/150 | 5.69 | 5.48 | 5.27 | 5.05 | 4.84 | |
| 32 x 18 x 8" | ECT-32 Corrugated | 15/150 | 3.16 | 3.04 | 2.92 | 2.81 | 2.69 | |
| 32 x 18 x 12" | ECT-32 Corrugated | 15/150 | 3.73 | 3.60 | 3.46 | 3.32 | 3.18 | |
| 32 x 18 x 18" | ECT-32 Corrugated | 15/150 | 4.96 | 4.77 | 4.59 | 4.41 | 4.22 | |
| 32 x 24 x 24" | ECT-32 Corrugated | 15/150 | 8.54 | 8.23 | 7.91 | 7.59 | 7.28 | |
| 32 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 8.63 | 8.31 | 7.99 | 7.67 | 7.35 | |
| 32 x 24 x 24" | ECT-48 Double Wall Corrugated | 5/75 | 10.58 | 10.18 | 9.79 | 9.40 | 9.01 | |
| 32 x 32 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 11.58 | 11.15 | 10.72 | 10.29 | 9.86 | |
| 32 x 32 x 12" | ECT-32 Single Wall Corrugated | 10/150 | 9.45 | 9.10 | 8.75 | 8.40 | 8.05 | |
| 32 x 32 x 32" | ECT-32 Single Wall Corrugated | 5/120 | 10.10 | 9.72 | 9.35 | 8.98 | 8.60 | |
| 32 x 32 x 32" | ECT-48 Double Wall Corrugated | 5/90 | 18.31 | 17.63 | 16.95 | 16.27 | 15.59 | |
| 33 x 8 1/2 x 5" | ECT-32 Single Wall Corrugated | 25/375 | 1.99 | 1.91 | 1.84 | 1.77 | 1.69 | |
| 34 x 10 x 6" | ECT-32 Single Wall Corrugated | 10/300 | 1.76 | 1.70 | 1.63 | 1.57 | 1.50 | |
| 34 x 21 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 6.22 | 5.99 | 5.76 | 5.53 | 5.30 | |
| 34 x 34 x 34" | ECT-32 Single Wall Corrugated | 5/120 | 11.47 | 11.05 | 10.62 | 10.20 | 9.77 | |