| 27 x 14 x 9" | ECT-32 Single Wall Corrugated | 20/240 | $2.68 | $2.60 | $2.52 | $2.45 | $2.37 | |
| 27 x 27 x 27" | ECT-32 Single Wall Corrugated | 5/120 | 8.67 | 8.42 | 8.17 | 7.92 | 7.68 | |
| 28 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/625 | 1.74 | 1.69 | 1.64 | 1.59 | 1.54 | |
| 28 x 5 x 24" | FOL | 10/120 | 4.59 | 4.46 | 4.33 | 4.19 | 4.06 | |
| 28 x 5 x 38" | FOL | 20/120 | 6.45 | 6.27 | 6.08 | 5.90 | 5.71 | |
| 28 x 6 x 6" | ECT-32 Single Wall Corrugated | 20/240 | 1.38 | 1.34 | 1.30 | 1.26 | 1.22 | |
| 28 x 6 x 20" | ECT-44 Single Wall Corrugated | 5/120 | 8.12 | 7.89 | 7.65 | 7.42 | 7.19 | |
| 28 x 6 x 52" | FOL | 5/120 | 12.01 | 11.66 | 11.32 | 10.98 | 10.64 | |
| 28 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.59 | 1.54 | 1.50 | 1.45 | 1.41 | |
| 28 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/300 | 2.29 | 2.22 | 2.15 | 2.09 | 2.02 | |
| 28 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/300 | 2.03 | 1.97 | 1.91 | 1.85 | 1.79 | |
| 28 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/300 | 3.50 | 3.40 | 3.30 | 3.20 | 3.10 | |
| 28 x 12 x 12" | ECT-32 Single Wall Corrugated | 20/240 | 2.63 | 2.56 | 2.48 | 2.41 | 2.33 | |
| 28 x 14 x 14" | ECT-32 Single Wall Corrugated | 20/120 | 3.34 | 3.24 | 3.15 | 3.05 | 2.96 | |
| 28 x 16 x 5" | ECT-32 Single Wall Corrugated | 25/300 | 4.26 | 4.14 | 4.02 | 3.89 | 3.77 | |
| 28 x 16 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 2.94 | 2.85 | 2.77 | 2.68 | 2.60 | |
| 28 x 16 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 3.19 | 3.10 | 3.01 | 2.92 | 2.83 | |
| 28 x 16 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 3.45 | 3.35 | 3.25 | 3.15 | 3.05 | |
| 28 x 16 x 14" | ECT-32 Single Wall Corrugated | 15/120 | 3.91 | 3.80 | 3.69 | 3.58 | 3.46 | |
| 28 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 2.73 | 2.65 | 2.57 | 2.49 | 2.42 | |
| 28 x 18 x 6" | ECT-32 Single Wall Corrugated | 20/140 | 5.39 | 5.24 | 5.09 | 4.93 | 4.78 | |
| 28 x 18 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 4.45 | 4.32 | 4.20 | 4.07 | 3.94 | |
| 28 x 18 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 4.76 | 4.62 | 4.48 | 4.35 | 4.21 | |
| 28 x 18 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 3.70 | 3.60 | 3.49 | 3.39 | 3.28 | |
| 28 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/150 | 4.05 | 3.93 | 3.82 | 3.70 | 3.59 | |
| 28 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 11.30 | 10.97 | 10.65 | 10.33 | 10.01 | |
| 28 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.99 | 5.82 | 5.65 | 5.48 | 5.30 | |
| 28 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.18 | 4.06 | 3.94 | 3.83 | 3.71 | |
| 28 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 5.00 | 4.85 | 4.71 | 4.57 | 4.43 | |
| 28 x 20 x 24" | 22,20,18,16,14" | 10/120 | 9.19 | 8.93 | 8.67 | 8.41 | 8.14 | |
| 28 x 20 x 25" | ECT-32 Single Wall Corrugated | 10/120 | 6.28 | 6.11 | 5.93 | 5.75 | 5.57 | |
| 28 x 24 x 6" | ECT-32 Single Wall Corrugated | 10/240 | 4.42 | 4.29 | 4.17 | 4.04 | 3.91 | |
| 28 x 24 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 11.29 | 10.96 | 10.64 | 10.32 | 10.00 | |
| 28 x 28 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 5.76 | 5.60 | 5.43 | 5.27 | 5.10 | |
| 28 x 28 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 11.35 | 11.02 | 10.70 | 10.37 | 10.05 | |
| 28 x 28 x 10" | ECT-32 Single Wall Corrugated | 10/150 | 10.75 | 10.45 | 10.14 | 9.83 | 9.52 | |
| 28 x 28 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 6.47 | 6.28 | 6.10 | 5.91 | 5.73 | |
| 28 x 28 x 12" | ECT-48 Double Wall Corrugated | 10/90 | 20.43 | 19.84 | 19.26 | 18.68 | 18.09 | |
| 28 x 28 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 8.08 | 7.85 | 7.62 | 7.39 | 7.16 | |
| 28 x 28 x 22" | ECT-32 Single Wall Corrugated | 10/150 | 12.36 | 12.01 | 11.66 | 11.30 | 10.95 | |
| 28 x 28 x 28" | ECT-32 Single Wall Corrugated | 5/120 | 9.35 | 9.08 | 8.81 | 8.55 | 8.28 | |
| 28 x 28 x 28" | ECT-48 Double Wall Corrugated | 5/90 | 21.21 | 20.60 | 20.00 | 19.39 | 18.79 | |
| 29 x 17 x 3" | ECT-32 Single Wall Corrugated | 25/300 | 4.42 | 4.29 | 4.16 | 4.04 | 3.91 | |
| 29 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 2.92 | 2.84 | 2.76 | 2.67 | 2.59 | |
| 29 x 17 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 5.13 | 4.99 | 4.84 | 4.69 | 4.55 | |
| 29 x 17 x 9" | ECT-32 Single Wall Corrugated | 15/150 | 3.32 | 3.23 | 3.13 | 3.04 | 2.94 | |
| 29 x 17 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 3.93 | 3.82 | 3.71 | 3.59 | 3.48 | |
| 29 x 17 x 15" | ECT-32 Single Wall Corrugated | 15/150 | 4.20 | 4.08 | 3.96 | 3.84 | 3.72 | |
| 29 x 17 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 5.17 | 5.02 | 4.88 | 4.73 | 4.58 | |
| 29 x 24 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 13.34 | 12.96 | 12.58 | 12.20 | 11.81 | |
| 30 x 5 x 24" | FOL | 10/120 | 3.40 | 3.30 | 3.21 | 3.11 | 3.01 | |
| 30 x 5 x 30" | FOL | 10/120 | 4.03 | 3.91 | 3.80 | 3.68 | 3.57 | |
| 30 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/375 | 1.44 | 1.40 | 1.35 | 1.31 | 1.27 | |
| 30 x 6 x 24" | ECT-44 Corrugated | 10/140 | 8.73 | 8.48 | 8.23 | 7.98 | 7.73 | |
| 30 x 6 x 24" | Inside Telescopic HSC | 10/150 | 5.42 | 5.26 | 5.11 | 4.95 | 4.80 | |
| 30 x 6 x 30" | ECT-44 Corrugated | 10/120 | 10.20 | 9.91 | 9.62 | 9.33 | 9.04 | |
| 30 x 6 x 40" | ECT-44 Corrugated | 10/140 | 12.60 | 12.24 | 11.88 | 11.52 | 11.16 | |
| 30 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.77 | 1.72 | 1.67 | 1.62 | 1.57 | |
| 30 x 10 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 2.18 | 2.12 | 2.06 | 1.99 | 1.93 | |
| 30 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/375 | 3.45 | 3.35 | 3.25 | 3.15 | 3.05 | |
| 30 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 3.51 | 3.41 | 3.31 | 3.21 | 3.11 | |
| 30 x 12 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 2.74 | 2.66 | 2.58 | 2.51 | 2.43 | |
| 30 x 13 x 13" | ECT-32 Single Wall Corrugated | 20/240 | 4.90 | 4.76 | 4.62 | 4.48 | 4.34 | |
| 30 x 14 x 7" | ECT-32 Single Wall Corrugated | 10/120 | 2.52 | 2.44 | 2.37 | 2.30 | 2.23 | |
| 30 x 14 x 10" | ECT-32 Single Wall Corrugated | 10/120 | 2.90 | 2.82 | 2.74 | 2.65 | 2.57 | |
| 30 x 15 x 15" | ECT-32 Single Wall Corrugated | 15/120 | 3.80 | 3.69 | 3.58 | 3.47 | 3.36 | |
| 30 x 15 x 15" | ECT-48 Double Wall Corrugated | 10/90 | 10.14 | 9.85 | 9.56 | 9.27 | 8.98 | |
| 30 x 17 x 16" | ECT-32 Single Wall Corrugated | 15/150 | 4.12 | 4.00 | 3.88 | 3.77 | 3.65 | |
| 30 x 17 x 16" | 14,12,10" | 15/150 | 4.62 | 4.49 | 4.35 | 4.22 | 4.09 | |
| 30 x 17 x 17" | ECT-51 Double Wall Corrugated | 5/75 | 7.83 | 7.60 | 7.38 | 7.16 | 6.93 | |
| 30 x 18 x 16" | ECT-32 Corrugated | 15/150 | 7.39 | 7.18 | 6.97 | 6.76 | 6.55 | |
| 30 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/120 | 4.79 | 4.65 | 4.52 | 4.38 | 4.24 | |
| 30 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 12.82 | 12.45 | 12.09 | 11.72 | 11.35 | |
| 30 x 20 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 3.47 | 3.37 | 3.27 | 3.17 | 3.07 | |
| 30 x 20 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 5.51 | 5.35 | 5.20 | 5.04 | 4.88 | |
| 30 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 4.18 | 4.06 | 3.94 | 3.82 | 3.70 | |
| 30 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.60 | 4.47 | 4.34 | 4.21 | 4.08 | |
| 30 x 20 x 18" | ECT-32 Single Wall Corrugated | 15/150 | 8.15 | 7.91 | 7.68 | 7.45 | 7.22 | |
| 30 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 5.52 | 5.36 | 5.21 | 5.05 | 4.89 | |
| 30 x 20 x 20" | ECT-44 - 18,16,14,12" | 10/120 | 7.48 | 7.27 | 7.06 | 6.84 | 6.63 | |
| 30 x 20 x 20" | ECT-48 Double Wall Corrugated | 10/70 | 10.09 | 9.80 | 9.51 | 9.22 | 8.93 | |
| 30 x 24 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.35 | 6.17 | 5.99 | 5.80 | 5.62 | |
| 30 x 24 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 5.81 | 5.65 | 5.48 | 5.31 | 5.15 | |
| 30 x 24 x 12" | 10,8,6,4" | 15/120 | 7.25 | 7.04 | 6.83 | 6.63 | 6.42 | |
| 30 x 24 x 12" | ECT-48 Double Wall Corrugated | 10/70 | 9.30 | 9.04 | 8.77 | 8.50 | 8.24 | |
| 30 x 24 x 20" | ECT-32 Single Wall Corrugated | 15/150 | 8.90 | 8.64 | 8.39 | 8.14 | 7.88 | |
| 30 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 11.50 | 11.17 | 10.84 | 10.52 | 10.19 | |
| 30 x 26 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 10.71 | 10.40 | 10.09 | 9.79 | 9.48 | |
| 30 x 30 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 7.38 | 7.17 | 6.96 | 6.75 | 6.54 | |
| 30 x 30 x 8" | ECT-32 Single Wall Corrugated | 10/120 | 6.54 | 6.35 | 6.16 | 5.98 | 5.79 | |
| 30 x 30 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 7.32 | 7.11 | 6.90 | 6.69 | 6.48 | |
| 30 x 30 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 8.75 | 8.50 | 8.25 | 8.00 | 7.75 | |
| 30 x 30 x 12" | ECT-48 Double Wall Corrugated | 5/75 | 15.38 | 14.95 | 14.51 | 14.07 | 13.63 | |
| 30 x 30 x 16" | ECT-32 Single Wall Corrugated | 10/120 | 7.74 | 7.52 | 7.30 | 7.08 | 6.86 | |
| 30 x 30 x 16" | ECT-48 Double Wall Corrugated | 5/90 | 16.33 | 15.86 | 15.40 | 14.93 | 14.46 | |
| 30 x 30 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 14.42 | 14.01 | 13.60 | 13.19 | 12.78 | |
| 30 x 30 x 20" | ECT-48 Double Wall Corrugated | 5/90 | 18.40 | 17.88 | 17.35 | 16.83 | 16.30 | |
| 30 x 30 x 25" | ECT-32 Single Wall Corrugated | 5/120 | 9.29 | 9.03 | 8.76 | 8.49 | 8.23 | |
| 30 x 30 x 30" | ECT-32 Single Wall Corrugated | 5/120 | 11.10 | 10.79 | 10.47 | 10.15 | 9.83 | |
| 30 x 30 x 30" | ECT-48 Double Wall Corrugated | 5/75 | 18.30 | 17.78 | 17.25 | 16.73 | 16.21 | |
| 30 x 30 x 30" | ECT-90 Triple Wall Corrugated | 5/30 | 49.54 | 48.13 | 46.71 | 45.30 | 43.88 | |
| 30 1/2 x 6 1/2 x 24" | Outside Telescopic HSC | 10/150 | 5.68 | 5.52 | 5.36 | 5.20 | 5.03 | |
| 31 x 16 x 9" | ECT-32 Corrugated | 10/120 | 5.09 | 4.94 | 4.80 | 4.65 | 4.51 | |
| 32 x 6 x 6" | ECT-32 Corrugated | 25/375 | 1.55 | 1.50 | 1.46 | 1.41 | 1.37 | |
| 32 x 8 x 8" | ECT-32 Corrugated | 25/375 | 1.74 | 1.69 | 1.64 | 1.59 | 1.54 | |
| 32 x 10 x 6 1/2" | ECT-32 Corrugated | 20/240 | 3.04 | 2.96 | 2.87 | 2.78 | 2.70 | |
| 32 x 10 x 10" | ECT-32 Corrugated | 20/240 | 3.67 | 3.56 | 3.46 | 3.35 | 3.25 | |
| 32 x 12 x 10" | ECT-32 Corrugated | 20/240 | 2.69 | 2.62 | 2.54 | 2.46 | 2.39 | |
| 32 x 12 x 12" | ECT-32 Corrugated | 20/240 | 2.85 | 2.77 | 2.69 | 2.60 | 2.52 | |
| 32 x 16 x 16" | ECT-32 Corrugated | 15/150 | 6.75 | 6.56 | 6.36 | 6.17 | 5.98 | |
| 32 x 18 x 8" | ECT-32 Corrugated | 15/150 | 3.75 | 3.64 | 3.53 | 3.43 | 3.32 | |
| 32 x 18 x 12" | ECT-32 Corrugated | 15/150 | 4.24 | 4.12 | 4.00 | 3.88 | 3.76 | |
| 32 x 18 x 18" | ECT-32 Corrugated | 15/150 | 5.88 | 5.72 | 5.55 | 5.38 | 5.21 | |
| 32 x 24 x 24" | ECT-32 Corrugated | 15/150 | 10.14 | 9.85 | 9.56 | 9.27 | 8.98 | |
| 32 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 9.73 | 9.45 | 9.17 | 8.90 | 8.62 | |
| 32 x 24 x 24" | ECT-48 Double Wall Corrugated | 5/75 | 12.56 | 12.20 | 11.84 | 11.48 | 11.12 | |
| 32 x 32 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 13.74 | 13.35 | 12.96 | 12.57 | 12.17 | |
| 32 x 32 x 12" | ECT-32 Single Wall Corrugated | 10/150 | 11.22 | 10.90 | 10.58 | 10.25 | 9.93 | |
| 32 x 32 x 32" | ECT-32 Single Wall Corrugated | 5/120 | 11.99 | 11.64 | 11.30 | 10.96 | 10.62 | |
| 32 x 32 x 32" | ECT-48 Double Wall Corrugated | 5/90 | 21.73 | 21.11 | 20.49 | 19.87 | 19.25 | |
| 33 x 8 1/2 x 5" | ECT-32 Single Wall Corrugated | 25/375 | 2.36 | 2.29 | 2.22 | 2.16 | 2.09 | |
| 34 x 10 x 6" | ECT-32 Single Wall Corrugated | 10/300 | 2.09 | 2.03 | 1.97 | 1.91 | 1.85 | |
| 34 x 21 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 7.38 | 7.17 | 6.96 | 6.75 | 6.54 | |
| 34 x 34 x 34" | ECT-32 Single Wall Corrugated | 5/120 | 13.62 | 13.23 | 12.84 | 12.45 | 12.06 | |