| 27 x 14 x 9" | ECT-32 Single Wall Corrugated | 20/240 | $2.00 | $1.97 | $1.93 | $1.90 | $1.86 | |
| 27 x 27 x 27" | ECT-32 Single Wall Corrugated | 5/120 | 8.67 | 8.51 | 8.36 | 8.20 | 8.05 | |
| 28 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/625 | 1.73 | 1.70 | 1.67 | 1.64 | 1.61 | |
| 28 x 5 x 24" | FOL | 10/120 | 4.59 | 4.51 | 4.42 | 4.34 | 4.26 | |
| 28 x 5 x 38" | FOL | 20/120 | 6.45 | 6.33 | 6.22 | 6.10 | 5.99 | |
| 28 x 6 x 6" | ECT-32 Single Wall Corrugated | 20/240 | 1.03 | 1.01 | .99 | .97 | .96 | |
| 28 x 6 x 20" | ECT-44 Single Wall Corrugated | 5/120 | 7.38 | 7.25 | 7.12 | 6.99 | 6.86 | |
| 28 x 6 x 52" | FOL | 5/120 | 12.01 | 11.79 | 11.58 | 11.36 | 11.15 | |
| 28 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.35 | 1.33 | 1.30 | 1.28 | 1.26 | |
| 28 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/300 | 1.68 | 1.65 | 1.62 | 1.59 | 1.56 | |
| 28 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/300 | 1.51 | 1.48 | 1.46 | 1.43 | 1.40 | |
| 28 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/300 | 3.50 | 3.44 | 3.37 | 3.31 | 3.25 | |
| 28 x 12 x 12" | ECT-32 Single Wall Corrugated | 20/240 | 2.04 | 2.00 | 1.97 | 1.93 | 1.89 | |
| 28 x 14 x 14" | ECT-32 Single Wall Corrugated | 20/120 | 2.67 | 2.62 | 2.57 | 2.53 | 2.48 | |
| 28 x 16 x 5" | ECT-32 Single Wall Corrugated | 25/300 | 4.23 | 4.15 | 4.08 | 4.00 | 3.93 | |
| 28 x 16 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 2.10 | 2.06 | 2.03 | 1.99 | 1.95 | |
| 28 x 16 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 2.37 | 2.33 | 2.28 | 2.24 | 2.20 | |
| 28 x 16 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 3.45 | 3.38 | 3.32 | 3.26 | 3.20 | |
| 28 x 16 x 14" | ECT-32 Single Wall Corrugated | 15/120 | 3.91 | 3.84 | 3.77 | 3.70 | 3.63 | |
| 28 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 2.73 | 2.68 | 2.63 | 2.58 | 2.54 | |
| 28 x 18 x 6" | ECT-32 Single Wall Corrugated | 20/140 | 3.76 | 3.69 | 3.63 | 3.56 | 3.49 | |
| 28 x 18 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 4.45 | 4.37 | 4.29 | 4.21 | 4.13 | |
| 28 x 18 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 4.76 | 4.67 | 4.59 | 4.50 | 4.42 | |
| 28 x 18 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 2.91 | 2.85 | 2.80 | 2.75 | 2.70 | |
| 28 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/150 | 3.95 | 3.88 | 3.81 | 3.74 | 3.67 | |
| 28 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 11.30 | 11.09 | 10.89 | 10.69 | 10.49 | |
| 28 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.00 | 5.89 | 5.78 | 5.67 | 5.57 | |
| 28 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 3.23 | 3.17 | 3.11 | 3.06 | 3.00 | |
| 28 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 4.02 | 3.95 | 3.88 | 3.80 | 3.73 | |
| 28 x 20 x 24" | 22,20,18,16,14" | 10/120 | 5.12 | 5.03 | 4.94 | 4.85 | 4.76 | |
| 28 x 20 x 25" | ECT-32 Single Wall Corrugated | 10/120 | 4.51 | 4.43 | 4.35 | 4.27 | 4.19 | |
| 28 x 24 x 6" | ECT-32 Single Wall Corrugated | 10/240 | 3.28 | 3.22 | 3.16 | 3.10 | 3.04 | |
| 28 x 24 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 10.46 | 10.28 | 10.09 | 9.90 | 9.71 | |
| 28 x 28 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 4.79 | 4.70 | 4.62 | 4.53 | 4.45 | |
| 28 x 28 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 11.35 | 11.14 | 10.94 | 10.74 | 10.54 | |
| 28 x 28 x 10" | ECT-32 Single Wall Corrugated | 10/150 | 10.75 | 10.56 | 10.37 | 10.18 | 9.98 | |
| 28 x 28 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 5.04 | 4.95 | 4.86 | 4.77 | 4.68 | |
| 28 x 28 x 12" | ECT-48 Double Wall Corrugated | 10/90 | 20.43 | 20.06 | 19.70 | 19.33 | 18.97 | |
| 28 x 28 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 6.02 | 5.91 | 5.80 | 5.70 | 5.59 | |
| 28 x 28 x 22" | ECT-32 Single Wall Corrugated | 10/150 | 12.36 | 12.14 | 11.92 | 11.70 | 11.48 | |
| 28 x 28 x 28" | ECT-32 Single Wall Corrugated | 5/120 | 9.35 | 9.18 | 9.02 | 8.85 | 8.68 | |
| 28 x 28 x 28" | ECT-48 Double Wall Corrugated | 5/90 | 21.21 | 20.83 | 20.45 | 20.07 | 19.70 | |
| 29 x 17 x 3" | ECT-32 Single Wall Corrugated | 25/300 | 4.42 | 4.34 | 4.26 | 4.18 | 4.10 | |
| 29 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 2.16 | 2.12 | 2.09 | 2.05 | 2.01 | |
| 29 x 17 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 5.13 | 5.04 | 4.95 | 4.86 | 4.77 | |
| 29 x 17 x 9" | ECT-32 Single Wall Corrugated | 15/150 | 2.53 | 2.48 | 2.44 | 2.39 | 2.35 | |
| 29 x 17 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 3.93 | 3.86 | 3.79 | 3.72 | 3.65 | |
| 29 x 17 x 15" | ECT-32 Single Wall Corrugated | 15/150 | 3.12 | 3.06 | 3.01 | 2.95 | 2.90 | |
| 29 x 17 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 5.17 | 5.08 | 4.99 | 4.89 | 4.80 | |
| 29 x 24 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 13.34 | 13.10 | 12.86 | 12.62 | 12.39 | |
| 30 x 5 x 24" | FOL | 10/120 | 2.54 | 2.49 | 2.45 | 2.40 | 2.36 | |
| 30 x 5 x 30" | FOL | 10/120 | 2.98 | 2.92 | 2.87 | 2.82 | 2.76 | |
| 30 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/375 | 1.03 | 1.01 | .99 | .97 | .95 | |
| 30 x 6 x 24" | ECT-44 Corrugated | 10/140 | 8.44 | 8.29 | 8.14 | 7.99 | 7.83 | |
| 30 x 6 x 24" | Inside Telescopic HSC | 10/150 | 5.42 | 5.32 | 5.22 | 5.13 | 5.03 | |
| 30 x 6 x 30" | ECT-44 Corrugated | 10/120 | 10.20 | 10.02 | 9.84 | 9.66 | 9.47 | |
| 30 x 6 x 40" | ECT-44 Corrugated | 10/140 | 12.51 | 12.29 | 12.06 | 11.84 | 11.62 | |
| 30 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.37 | 1.34 | 1.32 | 1.29 | 1.27 | |
| 30 x 10 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 1.86 | 1.83 | 1.79 | 1.76 | 1.73 | |
| 30 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/375 | 3.35 | 3.29 | 3.23 | 3.17 | 3.11 | |
| 30 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 3.51 | 3.45 | 3.38 | 3.32 | 3.26 | |
| 30 x 12 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 2.26 | 2.22 | 2.18 | 2.14 | 2.10 | |
| 30 x 13 x 13" | ECT-32 Single Wall Corrugated | 20/240 | 4.90 | 4.81 | 4.73 | 4.64 | 4.55 | |
| 30 x 14 x 7" | ECT-32 Single Wall Corrugated | 10/120 | 2.52 | 2.47 | 2.43 | 2.38 | 2.34 | |
| 30 x 14 x 10" | ECT-32 Single Wall Corrugated | 10/120 | 2.90 | 2.85 | 2.80 | 2.75 | 2.69 | |
| 30 x 15 x 15" | ECT-32 Single Wall Corrugated | 15/120 | 3.17 | 3.11 | 3.06 | 3.00 | 2.94 | |
| 30 x 15 x 15" | ECT-48 Double Wall Corrugated | 10/90 | 10.14 | 9.96 | 9.78 | 9.60 | 9.42 | |
| 30 x 17 x 16" | ECT-32 Single Wall Corrugated | 15/150 | 3.28 | 3.22 | 3.17 | 3.11 | 3.05 | |
| 30 x 17 x 16" | 14,12,10" | 15/150 | 3.35 | 3.29 | 3.23 | 3.17 | 3.11 | |
| 30 x 17 x 17" | ECT-51 Double Wall Corrugated | 5/75 | 7.82 | 7.68 | 7.54 | 7.40 | 7.26 | |
| 30 x 18 x 16" | ECT-32 Corrugated | 15/150 | 7.39 | 7.26 | 7.13 | 7.00 | 6.87 | |
| 30 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/120 | 4.79 | 4.70 | 4.62 | 4.53 | 4.45 | |
| 30 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 12.82 | 12.59 | 12.36 | 12.13 | 11.90 | |
| 30 x 20 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 2.76 | 2.71 | 2.66 | 2.61 | 2.56 | |
| 30 x 20 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 5.51 | 5.41 | 5.31 | 5.21 | 5.11 | |
| 30 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 4.18 | 4.11 | 4.04 | 3.96 | 3.89 | |
| 30 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 3.36 | 3.30 | 3.24 | 3.18 | 3.12 | |
| 30 x 20 x 18" | ECT-32 Single Wall Corrugated | 15/150 | 8.15 | 8.00 | 7.86 | 7.71 | 7.57 | |
| 30 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 4.21 | 4.14 | 4.06 | 3.99 | 3.91 | |
| 30 x 20 x 20" | ECT-44 - 18,16,14,12" | 10/120 | 5.99 | 5.88 | 5.77 | 5.66 | 5.56 | |
| 30 x 20 x 20" | ECT-48 Double Wall Corrugated | 10/70 | 6.53 | 6.41 | 6.30 | 6.18 | 6.06 | |
| 30 x 24 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.35 | 6.24 | 6.12 | 6.01 | 5.90 | |
| 30 x 24 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 4.69 | 4.61 | 4.52 | 4.44 | 4.36 | |
| 30 x 24 x 12" | 10,8,6,4" | 15/120 | 7.25 | 7.12 | 6.99 | 6.86 | 6.73 | |
| 30 x 24 x 12" | ECT-48 Double Wall Corrugated | 10/70 | 6.35 | 6.24 | 6.13 | 6.01 | 5.90 | |
| 30 x 24 x 20" | ECT-32 Single Wall Corrugated | 15/150 | 6.87 | 6.75 | 6.63 | 6.51 | 6.38 | |
| 30 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 10.98 | 10.79 | 10.59 | 10.39 | 10.20 | |
| 30 x 26 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 10.71 | 10.51 | 10.32 | 10.13 | 9.94 | |
| 30 x 30 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 5.15 | 5.06 | 4.97 | 4.87 | 4.78 | |
| 30 x 30 x 8" | ECT-32 Single Wall Corrugated | 10/120 | 5.41 | 5.31 | 5.22 | 5.12 | 5.02 | |
| 30 x 30 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 7.32 | 7.19 | 7.05 | 6.92 | 6.79 | |
| 30 x 30 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 7.25 | 7.12 | 6.99 | 6.86 | 6.73 | |
| 30 x 30 x 12" | ECT-48 Double Wall Corrugated | 5/75 | 15.38 | 15.11 | 14.84 | 14.56 | 14.29 | |
| 30 x 30 x 16" | ECT-32 Single Wall Corrugated | 10/120 | 6.19 | 6.08 | 5.97 | 5.86 | 5.75 | |
| 30 x 30 x 16" | ECT-48 Double Wall Corrugated | 5/90 | 16.33 | 16.04 | 15.75 | 15.46 | 15.16 | |
| 30 x 30 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 9.87 | 9.70 | 9.52 | 9.34 | 9.17 | |
| 30 x 30 x 20" | ECT-48 Double Wall Corrugated | 5/90 | 18.40 | 18.08 | 17.75 | 17.42 | 17.09 | |
| 30 x 30 x 25" | ECT-32 Single Wall Corrugated | 5/120 | 9.29 | 9.12 | 8.96 | 8.79 | 8.63 | |
| 30 x 30 x 30" | ECT-32 Single Wall Corrugated | 5/120 | 11.10 | 10.90 | 10.71 | 10.51 | 10.31 | |
| 30 x 30 x 30" | ECT-48 Double Wall Corrugated | 5/75 | 18.30 | 17.97 | 17.65 | 17.32 | 16.99 | |
| 30 x 30 x 30" | ECT-90 Triple Wall Corrugated | 5/30 | 49.54 | 48.66 | 47.77 | 46.89 | 46.00 | |
| 30 1/2 x 6 1/2 x 24" | Outside Telescopic HSC | 10/150 | 5.68 | 5.58 | 5.48 | 5.38 | 5.28 | |
| 31 x 16 x 9" | ECT-32 Corrugated | 10/120 | 5.09 | 5.00 | 4.91 | 4.81 | 4.72 | |
| 32 x 6 x 6" | ECT-32 Corrugated | 25/375 | 1.12 | 1.10 | 1.08 | 1.06 | 1.04 | |
| 32 x 8 x 8" | ECT-32 Corrugated | 25/375 | 1.43 | 1.40 | 1.37 | 1.35 | 1.32 | |
| 32 x 10 x 6 1/2" | ECT-32 Corrugated | 20/240 | 3.04 | 2.99 | 2.93 | 2.88 | 2.83 | |
| 32 x 10 x 10" | ECT-32 Corrugated | 20/240 | 3.67 | 3.60 | 3.54 | 3.47 | 3.41 | |
| 32 x 12 x 10" | ECT-32 Corrugated | 20/240 | 2.69 | 2.65 | 2.60 | 2.55 | 2.50 | |
| 32 x 12 x 12" | ECT-32 Corrugated | 20/240 | 2.44 | 2.39 | 2.35 | 2.31 | 2.26 | |
| 32 x 16 x 16" | ECT-32 Corrugated | 15/150 | 6.75 | 6.63 | 6.51 | 6.39 | 6.27 | |
| 32 x 18 x 8" | ECT-32 Corrugated | 15/150 | 3.11 | 3.06 | 3.00 | 2.95 | 2.89 | |
| 32 x 18 x 12" | ECT-32 Corrugated | 15/150 | 4.24 | 4.17 | 4.09 | 4.02 | 3.94 | |
| 32 x 18 x 18" | ECT-32 Corrugated | 15/150 | 5.88 | 5.78 | 5.67 | 5.57 | 5.46 | |
| 32 x 24 x 24" | ECT-32 Corrugated | 15/150 | 10.07 | 9.89 | 9.71 | 9.53 | 9.35 | |
| 32 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 10.24 | 10.06 | 9.88 | 9.69 | 9.51 | |
| 32 x 24 x 24" | ECT-48 Double Wall Corrugated | 5/75 | 12.56 | 12.33 | 12.11 | 11.88 | 11.66 | |
| 32 x 32 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 10.76 | 10.57 | 10.37 | 10.18 | 9.99 | |
| 32 x 32 x 12" | ECT-32 Single Wall Corrugated | 10/150 | 11.22 | 11.02 | 10.82 | 10.62 | 10.41 | |
| 32 x 32 x 32" | ECT-32 Single Wall Corrugated | 5/120 | 11.99 | 11.77 | 11.56 | 11.35 | 11.13 | |
| 32 x 32 x 32" | ECT-48 Double Wall Corrugated | 5/90 | 14.10 | 13.85 | 13.59 | 13.34 | 13.09 | |
| 33 x 8 1/2 x 5" | ECT-32 Single Wall Corrugated | 25/375 | 2.36 | 2.32 | 2.27 | 2.23 | 2.19 | |
| 34 x 10 x 6" | ECT-32 Single Wall Corrugated | 10/300 | 2.09 | 2.06 | 2.02 | 1.98 | 1.94 | |
| 34 x 21 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 4.93 | 4.84 | 4.75 | 4.66 | 4.58 | |
| 34 x 34 x 34" | ECT-32 Single Wall Corrugated | 5/120 | 10.25 | 10.07 | 9.89 | 9.70 | 9.52 | |