| 27 x 14 x 9" | ECT-32 Single Wall Corrugated | 20/240 | $2.95 | $2.89 | $2.85 | $2.75 | $2.65 | |
| 27 x 27 x 27" | ECT-32 Single Wall Corrugated | 5/120 | 8.58 | 8.41 | 8.29 | 8.00 | 7.71 | |
| 28 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/625 | 1.73 | 1.69 | 1.67 | 1.61 | 1.55 | |
| 28 x 5 x 24" | FOL | 10/120 | 4.54 | 4.45 | 4.39 | 4.24 | 4.08 | |
| 28 x 5 x 38" | FOL | 20/120 | 6.39 | 6.26 | 6.17 | 5.95 | 5.74 | |
| 28 x 6 x 6" | ECT-32 Single Wall Corrugated | 20/240 | 1.37 | 1.34 | 1.32 | 1.28 | 1.23 | |
| 28 x 6 x 20" | ECT-44 Single Wall Corrugated | 5/120 | 7.31 | 7.16 | 7.06 | 6.82 | 6.57 | |
| 28 x 6 x 52" | FOL | 5/120 | 11.89 | 11.65 | 11.49 | 11.09 | 10.68 | |
| 28 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.57 | 1.54 | 1.52 | 1.47 | 1.41 | |
| 28 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/300 | 2.38 | 2.33 | 2.30 | 2.22 | 2.14 | |
| 28 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/300 | 2.05 | 2.01 | 1.98 | 1.91 | 1.84 | |
| 28 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/300 | 3.46 | 3.39 | 3.35 | 3.23 | 3.11 | |
| 28 x 12 x 12" | ECT-32 Single Wall Corrugated | 20/240 | 2.61 | 2.56 | 2.52 | 2.43 | 2.34 | |
| 28 x 14 x 14" | ECT-32 Single Wall Corrugated | 20/120 | 3.31 | 3.24 | 3.19 | 3.08 | 2.97 | |
| 28 x 16 x 5" | ECT-32 Single Wall Corrugated | 25/300 | 4.22 | 4.13 | 4.08 | 3.93 | 3.79 | |
| 28 x 16 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 2.91 | 2.85 | 2.81 | 2.71 | 2.61 | |
| 28 x 16 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 3.19 | 3.12 | 3.08 | 2.97 | 2.86 | |
| 28 x 16 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 3.41 | 3.34 | 3.30 | 3.18 | 3.07 | |
| 28 x 16 x 14" | ECT-32 Single Wall Corrugated | 15/120 | 3.87 | 3.80 | 3.74 | 3.61 | 3.48 | |
| 28 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 2.86 | 2.80 | 2.76 | 2.66 | 2.57 | |
| 28 x 18 x 6" | ECT-32 Single Wall Corrugated | 20/140 | 5.34 | 5.23 | 5.16 | 4.98 | 4.80 | |
| 28 x 18 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 4.41 | 4.32 | 4.26 | 4.11 | 3.96 | |
| 28 x 18 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 4.71 | 4.62 | 4.55 | 4.39 | 4.23 | |
| 28 x 18 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 3.67 | 3.59 | 3.55 | 3.42 | 3.30 | |
| 28 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/150 | 4.60 | 4.51 | 4.45 | 4.29 | 4.13 | |
| 28 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 11.19 | 10.96 | 10.81 | 10.43 | 10.05 | |
| 28 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.93 | 5.81 | 5.73 | 5.53 | 5.33 | |
| 28 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.14 | 4.06 | 4.00 | 3.86 | 3.72 | |
| 28 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 4.95 | 4.85 | 4.78 | 4.61 | 4.45 | |
| 28 x 20 x 24" | 22,20,18,16,14" | 10/120 | 9.28 | 9.09 | 8.97 | 8.65 | 8.33 | |
| 28 x 20 x 25" | ECT-32 Single Wall Corrugated | 10/120 | 6.23 | 6.10 | 6.01 | 5.80 | 5.59 | |
| 28 x 24 x 6" | ECT-32 Single Wall Corrugated | 10/240 | 4.38 | 4.29 | 4.23 | 4.08 | 3.93 | |
| 28 x 24 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 11.18 | 10.95 | 10.80 | 10.42 | 10.04 | |
| 28 x 28 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 5.71 | 5.59 | 5.51 | 5.32 | 5.13 | |
| 28 x 28 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 11.24 | 11.01 | 10.86 | 10.47 | 10.09 | |
| 28 x 28 x 10" | ECT-32 Single Wall Corrugated | 10/150 | 10.65 | 10.43 | 10.29 | 9.93 | 9.56 | |
| 28 x 28 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 6.41 | 6.28 | 6.19 | 5.97 | 5.75 | |
| 28 x 28 x 12" | ECT-48 Double Wall Corrugated | 10/90 | 20.23 | 19.82 | 19.55 | 18.86 | 18.17 | |
| 28 x 28 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 8.17 | 8.01 | 7.90 | 7.62 | 7.34 | |
| 28 x 28 x 22" | ECT-32 Single Wall Corrugated | 10/150 | 12.25 | 12.00 | 11.83 | 11.41 | 11.00 | |
| 28 x 28 x 28" | ECT-32 Single Wall Corrugated | 5/120 | 9.46 | 9.27 | 9.14 | 8.82 | 8.50 | |
| 28 x 28 x 28" | ECT-48 Double Wall Corrugated | 5/90 | 21.01 | 20.58 | 20.30 | 19.58 | 18.87 | |
| 29 x 17 x 3" | ECT-32 Single Wall Corrugated | 25/300 | 4.37 | 4.28 | 4.22 | 4.08 | 3.93 | |
| 29 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 2.90 | 2.84 | 2.80 | 2.70 | 2.60 | |
| 29 x 17 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 5.08 | 4.98 | 4.91 | 4.74 | 4.57 | |
| 29 x 17 x 9" | ECT-32 Single Wall Corrugated | 15/150 | 3.29 | 3.22 | 3.18 | 3.07 | 2.96 | |
| 29 x 17 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 3.91 | 3.83 | 3.78 | 3.65 | 3.52 | |
| 29 x 17 x 15" | ECT-32 Single Wall Corrugated | 15/150 | 4.18 | 4.09 | 4.04 | 3.89 | 3.75 | |
| 29 x 17 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 5.12 | 5.02 | 4.95 | 4.77 | 4.60 | |
| 29 x 24 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 13.21 | 12.94 | 12.76 | 12.31 | 11.86 | |
| 30 x 5 x 24" | FOL | 10/120 | 3.55 | 3.47 | 3.43 | 3.31 | 3.18 | |
| 30 x 5 x 30" | FOL | 10/120 | 3.99 | 3.91 | 3.86 | 3.72 | 3.58 | |
| 30 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/375 | 1.46 | 1.43 | 1.41 | 1.36 | 1.31 | |
| 30 x 6 x 24" | ECT-44 Corrugated | 10/140 | 8.64 | 8.47 | 8.35 | 8.06 | 7.76 | |
| 30 x 6 x 24" | Inside Telescopic HSC | 10/150 | 5.44 | 5.33 | 5.25 | 5.07 | 4.88 | |
| 30 x 6 x 30" | ECT-44 Corrugated | 10/120 | 10.11 | 9.90 | 9.76 | 9.42 | 9.07 | |
| 30 x 6 x 40" | ECT-44 Corrugated | 10/140 | 12.48 | 12.23 | 12.06 | 11.63 | 11.21 | |
| 30 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.76 | 1.72 | 1.70 | 1.64 | 1.58 | |
| 30 x 10 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 2.16 | 2.12 | 2.09 | 2.01 | 1.94 | |
| 30 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/375 | 3.41 | 3.34 | 3.30 | 3.18 | 3.07 | |
| 30 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 3.48 | 3.40 | 3.36 | 3.24 | 3.12 | |
| 30 x 12 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 2.71 | 2.66 | 2.62 | 2.53 | 2.44 | |
| 30 x 13 x 13" | ECT-32 Single Wall Corrugated | 20/240 | 4.85 | 4.76 | 4.69 | 4.52 | 4.36 | |
| 30 x 14 x 7" | ECT-32 Single Wall Corrugated | 10/120 | 2.49 | 2.44 | 2.41 | 2.32 | 2.24 | |
| 30 x 14 x 10" | ECT-32 Single Wall Corrugated | 10/120 | 2.87 | 2.82 | 2.78 | 2.68 | 2.58 | |
| 30 x 15 x 15" | ECT-32 Single Wall Corrugated | 15/120 | 3.76 | 3.68 | 3.63 | 3.51 | 3.38 | |
| 30 x 15 x 15" | ECT-48 Double Wall Corrugated | 10/90 | 10.05 | 9.84 | 9.70 | 9.36 | 9.02 | |
| 30 x 17 x 16" | ECT-32 Single Wall Corrugated | 15/150 | 4.08 | 4.00 | 3.94 | 3.80 | 3.66 | |
| 30 x 17 x 16" | 14,12,10" | 15/150 | 4.57 | 4.48 | 4.42 | 4.26 | 4.11 | |
| 30 x 17 x 17" | ECT-51 Double Wall Corrugated | 5/75 | 7.98 | 7.82 | 7.71 | 7.44 | 7.16 | |
| 30 x 18 x 16" | ECT-32 Corrugated | 15/150 | 7.33 | 7.18 | 7.08 | 6.83 | 6.58 | |
| 30 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/120 | 4.74 | 4.65 | 4.58 | 4.42 | 4.26 | |
| 30 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 12.70 | 12.44 | 12.27 | 11.83 | 11.40 | |
| 30 x 20 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 3.43 | 3.36 | 3.32 | 3.20 | 3.08 | |
| 30 x 20 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 5.46 | 5.35 | 5.27 | 5.09 | 4.90 | |
| 30 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 4.42 | 4.33 | 4.27 | 4.12 | 3.97 | |
| 30 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.56 | 4.47 | 4.40 | 4.25 | 4.09 | |
| 30 x 20 x 18" | ECT-32 Single Wall Corrugated | 15/150 | 8.07 | 7.91 | 7.80 | 7.52 | 7.25 | |
| 30 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 5.47 | 5.36 | 5.28 | 5.10 | 4.91 | |
| 30 x 20 x 20" | ECT-44 - 18,16,14,12" | 10/120 | 7.41 | 7.26 | 7.16 | 6.91 | 6.66 | |
| 30 x 20 x 20" | ECT-48 Double Wall Corrugated | 10/70 | 10.05 | 9.84 | 9.71 | 9.37 | 9.02 | |
| 30 x 24 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.42 | 6.29 | 6.20 | 5.99 | 5.77 | |
| 30 x 24 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 5.76 | 5.64 | 5.56 | 5.37 | 5.17 | |
| 30 x 24 x 12" | 10,8,6,4" | 15/120 | 7.18 | 7.03 | 6.94 | 6.69 | 6.45 | |
| 30 x 24 x 12" | ECT-48 Double Wall Corrugated | 10/70 | 9.21 | 9.03 | 8.90 | 8.59 | 8.27 | |
| 30 x 24 x 20" | ECT-32 Single Wall Corrugated | 15/150 | 8.81 | 8.63 | 8.51 | 8.21 | 7.91 | |
| 30 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 10.88 | 10.66 | 10.51 | 10.14 | 9.77 | |
| 30 x 26 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 10.60 | 10.39 | 10.24 | 9.88 | 9.52 | |
| 30 x 30 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 7.31 | 7.16 | 7.06 | 6.81 | 6.56 | |
| 30 x 30 x 8" | ECT-32 Single Wall Corrugated | 10/120 | 6.54 | 6.41 | 6.32 | 6.10 | 5.88 | |
| 30 x 30 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 7.47 | 7.32 | 7.22 | 6.96 | 6.71 | |
| 30 x 30 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 8.67 | 8.49 | 8.37 | 8.08 | 7.78 | |
| 30 x 30 x 12" | ECT-48 Double Wall Corrugated | 5/75 | 15.24 | 14.93 | 14.72 | 14.20 | 13.68 | |
| 30 x 30 x 16" | ECT-32 Single Wall Corrugated | 10/120 | 7.67 | 7.52 | 7.41 | 7.15 | 6.89 | |
| 30 x 30 x 16" | ECT-48 Double Wall Corrugated | 5/90 | 16.18 | 15.85 | 15.63 | 15.08 | 14.53 | |
| 30 x 30 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 14.29 | 14.00 | 13.80 | 13.32 | 12.83 | |
| 30 x 30 x 20" | ECT-48 Double Wall Corrugated | 5/90 | 18.23 | 17.86 | 17.61 | 16.99 | 16.37 | |
| 30 x 30 x 25" | ECT-32 Single Wall Corrugated | 5/120 | 9.20 | 9.02 | 8.89 | 8.58 | 8.26 | |
| 30 x 30 x 30" | ECT-32 Single Wall Corrugated | 5/120 | 11.00 | 10.77 | 10.62 | 10.25 | 9.88 | |
| 30 x 30 x 30" | ECT-48 Double Wall Corrugated | 5/75 | 18.13 | 17.76 | 17.51 | 16.89 | 16.28 | |
| 30 x 30 x 30" | ECT-90 Triple Wall Corrugated | 5/30 | 49.08 | 48.07 | 47.41 | 45.74 | 44.07 | |
| 30 1/2 x 6 1/2 x 24" | Outside Telescopic HSC | 10/150 | 5.69 | 5.57 | 5.49 | 5.30 | 5.11 | |
| 31 x 16 x 9" | ECT-32 Corrugated | 10/120 | 5.04 | 4.94 | 4.87 | 4.70 | 4.52 | |
| 32 x 6 x 6" | ECT-32 Corrugated | 25/375 | 1.53 | 1.50 | 1.48 | 1.43 | 1.38 | |
| 32 x 8 x 8" | ECT-32 Corrugated | 25/375 | 1.73 | 1.69 | 1.67 | 1.61 | 1.55 | |
| 32 x 10 x 6 1/2" | ECT-32 Corrugated | 20/240 | 3.01 | 2.95 | 2.91 | 2.81 | 2.71 | |
| 32 x 10 x 10" | ECT-32 Corrugated | 20/240 | 3.63 | 3.56 | 3.51 | 3.39 | 3.26 | |
| 32 x 12 x 10" | ECT-32 Corrugated | 20/240 | 2.67 | 2.61 | 2.58 | 2.49 | 2.40 | |
| 32 x 12 x 12" | ECT-32 Corrugated | 20/240 | 3.11 | 3.07 | 3.03 | 2.99 | 2.96 | |
| 32 x 16 x 16" | ECT-32 Corrugated | 15/150 | 6.69 | 6.55 | 6.46 | 6.23 | 6.00 | |
| 32 x 18 x 8" | ECT-32 Corrugated | 15/150 | 3.71 | 3.64 | 3.59 | 3.46 | 3.41 | |
| 32 x 18 x 12" | ECT-32 Corrugated | 15/150 | 4.39 | 4.30 | 4.24 | 4.09 | 3.94 | |
| 32 x 18 x 18" | ECT-32 Corrugated | 15/150 | 5.83 | 5.71 | 5.63 | 5.43 | 5.23 | |
| 32 x 24 x 24" | ECT-32 Corrugated | 15/150 | 10.05 | 9.84 | 9.70 | 9.36 | 9.02 | |
| 32 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 10.15 | 9.94 | 9.80 | 9.46 | 9.11 | |
| 32 x 24 x 24" | ECT-48 Double Wall Corrugated | 5/75 | 12.44 | 12.18 | 12.01 | 11.59 | 11.17 | |
| 32 x 32 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 13.61 | 13.34 | 13.15 | 12.69 | 12.23 | |
| 32 x 32 x 12" | ECT-32 Single Wall Corrugated | 10/150 | 11.11 | 10.88 | 10.73 | 10.35 | 9.98 | |
| 32 x 32 x 32" | ECT-32 Single Wall Corrugated | 5/120 | 11.87 | 11.63 | 11.47 | 11.07 | 10.66 | |
| 32 x 32 x 32" | ECT-48 Double Wall Corrugated | 5/90 | 21.53 | 21.09 | 20.80 | 20.06 | 19.33 | |
| 33 x 8 1/2 x 5" | ECT-32 Single Wall Corrugated | 25/375 | 2.34 | 2.29 | 2.26 | 2.18 | 2.10 | |
| 34 x 10 x 6" | ECT-32 Single Wall Corrugated | 10/300 | 2.07 | 2.03 | 2.00 | 1.93 | 1.86 | |
| 34 x 21 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 7.31 | 7.16 | 7.06 | 6.82 | 6.57 | |
| 34 x 34 x 34" | ECT-32 Single Wall Corrugated | 5/120 | 13.49 | 13.21 | 13.03 | 12.57 | 12.11 | |