| 27 x 14 x 9" | ECT-32 Single Wall Corrugated | 20/240 | $2.54 | $2.52 | $2.52 | $2.52 | $2.50 | |
| 27 x 27 x 27" | ECT-32 Single Wall Corrugated | 5/120 | 8.23 | 8.17 | 8.17 | 8.17 | 8.11 | |
| 28 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/625 | 1.66 | 1.64 | 1.64 | 1.64 | 1.63 | |
| 28 x 5 x 24" | FOL | 10/120 | 4.36 | 4.33 | 4.33 | 4.33 | 4.29 | |
| 28 x 5 x 38" | FOL | 20/120 | 6.13 | 6.08 | 6.08 | 6.08 | 6.03 | |
| 28 x 6 x 6" | ECT-32 Single Wall Corrugated | 20/240 | 1.31 | 1.30 | 1.30 | 1.30 | 1.29 | |
| 28 x 6 x 20" | ECT-44 Single Wall Corrugated | 5/120 | 7.71 | 7.65 | 7.65 | 7.65 | 7.60 | |
| 28 x 6 x 52" | FOL | 5/120 | 11.41 | 11.32 | 11.32 | 11.32 | 11.24 | |
| 28 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.51 | 1.50 | 1.50 | 1.50 | 1.49 | |
| 28 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/300 | 2.17 | 2.15 | 2.15 | 2.15 | 2.14 | |
| 28 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/300 | 1.92 | 1.91 | 1.91 | 1.91 | 1.90 | |
| 28 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/300 | 3.32 | 3.30 | 3.30 | 3.30 | 3.27 | |
| 28 x 12 x 12" | ECT-32 Single Wall Corrugated | 20/240 | 2.50 | 2.48 | 2.48 | 2.48 | 2.47 | |
| 28 x 14 x 14" | ECT-32 Single Wall Corrugated | 20/120 | 3.17 | 3.15 | 3.15 | 3.15 | 3.12 | |
| 28 x 16 x 5" | ECT-32 Single Wall Corrugated | 25/300 | 4.05 | 4.02 | 4.02 | 4.02 | 3.99 | |
| 28 x 16 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 2.79 | 2.77 | 2.77 | 2.77 | 2.75 | |
| 28 x 16 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 3.04 | 3.01 | 3.01 | 3.01 | 2.99 | |
| 28 x 16 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 3.27 | 3.25 | 3.25 | 3.25 | 3.22 | |
| 28 x 16 x 14" | ECT-32 Single Wall Corrugated | 15/120 | 3.72 | 3.69 | 3.69 | 3.69 | 3.66 | |
| 28 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 2.59 | 2.57 | 2.57 | 2.57 | 2.55 | |
| 28 x 18 x 6" | ECT-32 Single Wall Corrugated | 20/140 | 5.13 | 5.09 | 5.09 | 5.09 | 5.05 | |
| 28 x 18 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 4.23 | 4.20 | 4.20 | 4.20 | 4.16 | |
| 28 x 18 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 4.52 | 4.48 | 4.48 | 4.48 | 4.45 | |
| 28 x 18 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 3.52 | 3.49 | 3.49 | 3.49 | 3.47 | |
| 28 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/150 | 3.85 | 3.82 | 3.82 | 3.82 | 3.79 | |
| 28 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 10.73 | 10.65 | 10.65 | 10.65 | 10.57 | |
| 28 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.69 | 5.65 | 5.65 | 5.65 | 5.60 | |
| 28 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 3.97 | 3.94 | 3.94 | 3.94 | 3.91 | |
| 28 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 4.75 | 4.71 | 4.71 | 4.71 | 4.68 | |
| 28 x 20 x 24" | 22,20,18,16,14" | 10/120 | 8.73 | 8.67 | 8.67 | 8.67 | 8.60 | |
| 28 x 20 x 25" | ECT-32 Single Wall Corrugated | 10/120 | 5.97 | 5.93 | 5.93 | 5.93 | 5.88 | |
| 28 x 24 x 6" | ECT-32 Single Wall Corrugated | 10/240 | 4.20 | 4.17 | 4.17 | 4.17 | 4.14 | |
| 28 x 24 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 10.72 | 10.64 | 10.64 | 10.64 | 10.56 | |
| 28 x 28 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 5.47 | 5.43 | 5.43 | 5.43 | 5.39 | |
| 28 x 28 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 10.78 | 10.70 | 10.70 | 10.70 | 10.62 | |
| 28 x 28 x 10" | ECT-32 Single Wall Corrugated | 10/150 | 10.21 | 10.14 | 10.14 | 10.14 | 10.06 | |
| 28 x 28 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 6.14 | 6.10 | 6.10 | 6.10 | 6.05 | |
| 28 x 28 x 12" | ECT-48 Double Wall Corrugated | 10/90 | 19.41 | 19.26 | 19.26 | 19.26 | 19.11 | |
| 28 x 28 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 7.68 | 7.62 | 7.62 | 7.62 | 7.56 | |
| 28 x 28 x 22" | ECT-32 Single Wall Corrugated | 10/150 | 11.74 | 11.66 | 11.66 | 11.66 | 11.57 | |
| 28 x 28 x 28" | ECT-32 Single Wall Corrugated | 5/120 | 8.88 | 8.81 | 8.81 | 8.81 | 8.75 | |
| 28 x 28 x 28" | ECT-48 Double Wall Corrugated | 5/90 | 20.15 | 20.00 | 20.00 | 20.00 | 19.85 | |
| 29 x 17 x 3" | ECT-32 Single Wall Corrugated | 25/300 | 4.19 | 4.16 | 4.16 | 4.16 | 4.13 | |
| 29 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 2.78 | 2.76 | 2.76 | 2.76 | 2.74 | |
| 29 x 17 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 4.88 | 4.84 | 4.84 | 4.84 | 4.80 | |
| 29 x 17 x 9" | ECT-32 Single Wall Corrugated | 15/150 | 3.16 | 3.13 | 3.13 | 3.13 | 3.11 | |
| 29 x 17 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 3.73 | 3.71 | 3.71 | 3.71 | 3.68 | |
| 29 x 17 x 15" | ECT-32 Single Wall Corrugated | 15/150 | 3.99 | 3.96 | 3.96 | 3.96 | 3.93 | |
| 29 x 17 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 4.91 | 4.88 | 4.88 | 4.88 | 4.84 | |
| 29 x 24 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 12.67 | 12.58 | 12.58 | 12.58 | 12.48 | |
| 30 x 5 x 24" | FOL | 10/120 | 3.23 | 3.21 | 3.21 | 3.21 | 3.18 | |
| 30 x 5 x 30" | FOL | 10/120 | 3.83 | 3.80 | 3.80 | 3.80 | 3.77 | |
| 30 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/375 | 1.36 | 1.35 | 1.35 | 1.35 | 1.34 | |
| 30 x 6 x 24" | ECT-44 Corrugated | 10/140 | 8.29 | 8.23 | 8.23 | 8.23 | 8.17 | |
| 30 x 6 x 24" | Inside Telescopic HSC | 10/150 | 5.15 | 5.11 | 5.11 | 5.11 | 5.07 | |
| 30 x 6 x 30" | ECT-44 Corrugated | 10/120 | 9.69 | 9.62 | 9.62 | 9.62 | 9.55 | |
| 30 x 6 x 40" | ECT-44 Corrugated | 10/140 | 11.97 | 11.88 | 11.88 | 11.88 | 11.79 | |
| 30 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.68 | 1.67 | 1.67 | 1.67 | 1.66 | |
| 30 x 10 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 2.07 | 2.06 | 2.06 | 2.06 | 2.04 | |
| 30 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/375 | 3.27 | 3.25 | 3.25 | 3.25 | 3.23 | |
| 30 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 3.33 | 3.31 | 3.31 | 3.31 | 3.28 | |
| 30 x 12 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 2.60 | 2.58 | 2.58 | 2.58 | 2.56 | |
| 30 x 13 x 13" | ECT-32 Single Wall Corrugated | 20/240 | 4.66 | 4.62 | 4.62 | 4.62 | 4.59 | |
| 30 x 14 x 7" | ECT-32 Single Wall Corrugated | 10/120 | 2.23 | 2.21 | 2.21 | 2.21 | 2.20 | |
| 30 x 14 x 10" | ECT-32 Single Wall Corrugated | 10/120 | 2.76 | 2.74 | 2.74 | 2.74 | 2.71 | |
| 30 x 15 x 15" | ECT-32 Single Wall Corrugated | 15/120 | 3.61 | 3.58 | 3.58 | 3.58 | 3.55 | |
| 30 x 15 x 15" | ECT-48 Double Wall Corrugated | 10/90 | 9.63 | 9.56 | 9.56 | 9.56 | 9.49 | |
| 30 x 17 x 16" | ECT-32 Single Wall Corrugated | 15/150 | 3.91 | 3.88 | 3.88 | 3.88 | 3.85 | |
| 30 x 17 x 16" | 14,12,10" | 15/150 | 4.39 | 4.35 | 4.35 | 4.35 | 4.32 | |
| 30 x 17 x 17" | ECT-51 Double Wall Corrugated | 5/75 | 7.44 | 7.38 | 7.38 | 7.38 | 7.32 | |
| 30 x 18 x 16" | ECT-32 Corrugated | 15/150 | 7.03 | 6.97 | 6.97 | 6.97 | 6.92 | |
| 30 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/120 | 4.55 | 4.52 | 4.52 | 4.52 | 4.48 | |
| 30 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 12.18 | 12.09 | 12.09 | 12.09 | 12.00 | |
| 30 x 20 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 3.29 | 3.27 | 3.27 | 3.27 | 3.24 | |
| 30 x 20 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 5.23 | 5.20 | 5.20 | 5.20 | 5.16 | |
| 30 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 3.97 | 3.94 | 3.94 | 3.94 | 3.91 | |
| 30 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.37 | 4.34 | 4.34 | 4.34 | 4.31 | |
| 30 x 20 x 18" | ECT-32 Single Wall Corrugated | 15/150 | 7.74 | 7.68 | 7.68 | 7.68 | 7.62 | |
| 30 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 5.24 | 5.21 | 5.21 | 5.21 | 5.17 | |
| 30 x 20 x 20" | ECT-44 - 18,16,14,12" | 10/120 | 7.11 | 7.06 | 7.06 | 7.06 | 7.00 | |
| 30 x 20 x 20" | ECT-48 Double Wall Corrugated | 10/70 | 9.58 | 9.51 | 9.51 | 9.51 | 9.44 | |
| 30 x 24 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.03 | 5.99 | 5.99 | 5.99 | 5.94 | |
| 30 x 24 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 5.52 | 5.48 | 5.48 | 5.48 | 5.44 | |
| 30 x 24 x 12" | 10,8,6,4" | 15/120 | 6.89 | 6.83 | 6.83 | 6.83 | 6.78 | |
| 30 x 24 x 12" | ECT-48 Double Wall Corrugated | 10/70 | 8.84 | 8.77 | 8.77 | 8.77 | 8.70 | |
| 30 x 24 x 20" | ECT-32 Single Wall Corrugated | 15/150 | 8.45 | 8.39 | 8.39 | 8.39 | 8.33 | |
| 30 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 10.93 | 10.84 | 10.84 | 10.84 | 10.76 | |
| 30 x 26 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 10.17 | 10.09 | 10.09 | 10.09 | 10.02 | |
| 30 x 30 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 7.01 | 6.96 | 6.96 | 6.96 | 6.90 | |
| 30 x 30 x 8" | ECT-32 Single Wall Corrugated | 10/120 | 6.21 | 6.16 | 6.16 | 6.16 | 6.12 | |
| 30 x 30 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.96 | 6.90 | 6.90 | 6.90 | 6.85 | |
| 30 x 30 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 8.31 | 8.25 | 8.25 | 8.25 | 8.19 | |
| 30 x 30 x 12" | ECT-48 Double Wall Corrugated | 5/75 | 14.62 | 14.51 | 14.51 | 14.51 | 14.40 | |
| 30 x 30 x 16" | ECT-32 Single Wall Corrugated | 10/120 | 7.36 | 7.30 | 7.30 | 7.30 | 7.25 | |
| 30 x 30 x 16" | ECT-48 Double Wall Corrugated | 5/90 | 15.51 | 15.40 | 15.40 | 15.40 | 15.28 | |
| 30 x 30 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 13.70 | 13.60 | 13.60 | 13.60 | 13.50 | |
| 30 x 30 x 20" | ECT-48 Double Wall Corrugated | 5/90 | 17.48 | 17.35 | 17.35 | 17.35 | 17.22 | |
| 30 x 30 x 25" | ECT-32 Single Wall Corrugated | 5/120 | 8.83 | 8.76 | 8.76 | 8.76 | 8.69 | |
| 30 x 30 x 30" | ECT-32 Single Wall Corrugated | 5/120 | 10.55 | 10.47 | 10.47 | 10.47 | 10.39 | |
| 30 x 30 x 30" | ECT-48 Double Wall Corrugated | 5/75 | 17.38 | 17.25 | 17.25 | 17.25 | 17.12 | |
| 30 x 30 x 30" | ECT-90 Triple Wall Corrugated | 5/30 | 47.07 | 46.71 | 46.71 | 46.71 | 46.36 | |
| 30 1/2 x 6 1/2 x 24" | Outside Telescopic HSC | 10/150 | 5.40 | 5.36 | 5.36 | 5.36 | 5.32 | |
| 31 x 16 x 9" | ECT-32 Corrugated | 10/120 | 4.83 | 4.80 | 4.80 | 4.80 | 4.76 | |
| 32 x 6 x 6" | ECT-32 Corrugated | 25/375 | 1.47 | 1.46 | 1.46 | 1.46 | 1.45 | |
| 32 x 8 x 8" | ECT-32 Corrugated | 25/375 | 1.66 | 1.64 | 1.64 | 1.64 | 1.63 | |
| 32 x 10 x 6 1/2" | ECT-32 Corrugated | 20/240 | 2.89 | 2.87 | 2.87 | 2.87 | 2.85 | |
| 32 x 10 x 10" | ECT-32 Corrugated | 20/240 | 3.48 | 3.46 | 3.46 | 3.46 | 3.43 | |
| 32 x 12 x 10" | ECT-32 Corrugated | 20/240 | 2.56 | 2.54 | 2.54 | 2.54 | 2.52 | |
| 32 x 12 x 12" | ECT-32 Corrugated | 20/240 | 2.71 | 2.69 | 2.69 | 2.69 | 2.67 | |
| 32 x 16 x 16" | ECT-32 Corrugated | 15/150 | 6.41 | 6.36 | 6.36 | 6.36 | 6.32 | |
| 32 x 18 x 8" | ECT-32 Corrugated | 15/150 | 3.56 | 3.53 | 3.53 | 3.53 | 3.51 | |
| 32 x 18 x 12" | ECT-32 Corrugated | 15/150 | 4.03 | 4.00 | 4.00 | 4.00 | 3.97 | |
| 32 x 18 x 18" | ECT-32 Corrugated | 15/150 | 5.59 | 5.55 | 5.55 | 5.55 | 5.51 | |
| 32 x 24 x 24" | ECT-32 Corrugated | 15/150 | 9.63 | 9.56 | 9.56 | 9.56 | 9.49 | |
| 32 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 9.24 | 9.17 | 9.17 | 9.17 | 9.11 | |
| 32 x 24 x 24" | ECT-48 Double Wall Corrugated | 5/75 | 11.93 | 11.84 | 11.84 | 11.84 | 11.75 | |
| 32 x 32 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 13.06 | 12.96 | 12.96 | 12.96 | 12.86 | |
| 32 x 32 x 12" | ECT-32 Single Wall Corrugated | 10/150 | 10.66 | 10.58 | 10.58 | 10.58 | 10.50 | |
| 32 x 32 x 32" | ECT-32 Single Wall Corrugated | 5/120 | 11.39 | 11.30 | 11.30 | 11.30 | 11.22 | |
| 32 x 32 x 32" | ECT-48 Double Wall Corrugated | 5/90 | 20.65 | 20.49 | 20.49 | 20.49 | 20.34 | |
| 33 x 8 1/2 x 5" | ECT-32 Single Wall Corrugated | 25/375 | 2.24 | 2.22 | 2.22 | 2.22 | 2.21 | |
| 34 x 10 x 6" | ECT-32 Single Wall Corrugated | 10/300 | 1.99 | 1.97 | 1.97 | 1.97 | 1.96 | |
| 34 x 21 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 7.01 | 6.96 | 6.96 | 6.96 | 6.91 | |
| 34 x 34 x 34" | ECT-32 Single Wall Corrugated | 5/120 | 12.94 | 12.84 | 12.84 | 12.84 | 12.74 | |