| 27 x 14 x 9" | ECT-32 Single Wall Corrugated | 20/240 | $3.01 | $2.91 | $2.81 | $2.71 | $2.47 | |
| 27 x 27 x 27" | ECT-32 Single Wall Corrugated | 5/120 | 8.76 | 8.47 | 8.18 | 7.88 | 7.18 | |
| 28 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/625 | 1.76 | 1.70 | 1.65 | 1.59 | 1.45 | |
| 28 x 5 x 24" | FOL | 10/120 | 4.64 | 4.48 | 4.33 | 4.17 | 3.80 | |
| 28 x 5 x 38" | FOL | 20/120 | 6.52 | 6.30 | 6.08 | 5.87 | 5.35 | |
| 28 x 6 x 6" | ECT-32 Single Wall Corrugated | 20/240 | 1.40 | 1.35 | 1.30 | 1.26 | 1.14 | |
| 28 x 6 x 20" | ECT-44 Single Wall Corrugated | 5/120 | 7.46 | 7.21 | 6.96 | 6.72 | 6.12 | |
| 28 x 6 x 52" | FOL | 5/120 | 12.14 | 11.73 | 11.33 | 10.92 | 9.95 | |
| 28 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.55 | 1.50 | 1.45 | 1.40 | 1.27 | |
| 28 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/300 | 2.43 | 2.35 | 2.27 | 2.19 | 1.99 | |
| 28 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/300 | 1.70 | 1.65 | 1.59 | 1.53 | 1.40 | |
| 28 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/300 | 3.54 | 3.42 | 3.30 | 3.18 | 2.90 | |
| 28 x 12 x 12" | ECT-32 Single Wall Corrugated | 20/240 | 2.66 | 2.57 | 2.49 | 2.40 | 2.18 | |
| 28 x 14 x 14" | ECT-32 Single Wall Corrugated | 20/120 | 3.37 | 3.26 | 3.15 | 3.04 | 2.77 | |
| 28 x 16 x 5" | ECT-32 Single Wall Corrugated | 25/300 | 4.31 | 4.16 | 4.02 | 3.87 | 3.53 | |
| 28 x 16 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 2.74 | 2.65 | 2.56 | 2.46 | 2.25 | |
| 28 x 16 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 3.26 | 3.15 | 3.04 | 2.93 | 2.67 | |
| 28 x 16 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 2.87 | 2.78 | 2.68 | 2.59 | 2.36 | |
| 28 x 16 x 14" | ECT-32 Single Wall Corrugated | 15/120 | 3.95 | 3.82 | 3.69 | 3.56 | 3.24 | |
| 28 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 2.92 | 2.82 | 2.72 | 2.62 | 2.39 | |
| 28 x 18 x 6" | ECT-32 Single Wall Corrugated | 20/140 | 5.58 | 5.40 | 5.21 | 5.02 | 4.58 | |
| 28 x 18 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 4.50 | 4.35 | 4.20 | 4.05 | 3.69 | |
| 28 x 18 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 4.81 | 4.65 | 4.49 | 4.33 | 3.94 | |
| 28 x 18 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 3.28 | 3.17 | 3.06 | 2.95 | 2.69 | |
| 28 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/150 | 4.70 | 4.54 | 4.38 | 4.23 | 3.85 | |
| 28 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 11.42 | 11.04 | 10.66 | 10.28 | 9.36 | |
| 28 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.05 | 5.85 | 5.65 | 5.45 | 4.96 | |
| 28 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.23 | 4.09 | 3.95 | 3.81 | 3.47 | |
| 28 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 5.05 | 4.88 | 4.71 | 4.55 | 4.14 | |
| 28 x 20 x 24" | 22,20,18,16,14" | 10/120 | 5.24 | 5.07 | 4.89 | 4.72 | 4.30 | |
| 28 x 20 x 25" | ECT-32 Single Wall Corrugated | 10/120 | 6.35 | 6.14 | 5.93 | 5.72 | 5.21 | |
| 28 x 24 x 6" | ECT-32 Single Wall Corrugated | 10/240 | 4.01 | 3.88 | 3.75 | 3.61 | 3.29 | |
| 28 x 24 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 11.41 | 11.03 | 10.65 | 10.27 | 9.35 | |
| 28 x 28 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 4.98 | 4.81 | 4.65 | 4.48 | 4.08 | |
| 28 x 28 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 11.47 | 11.09 | 10.70 | 10.32 | 9.40 | |
| 28 x 28 x 10" | ECT-32 Single Wall Corrugated | 10/150 | 10.87 | 10.51 | 10.14 | 9.78 | 8.91 | |
| 28 x 28 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 6.30 | 6.09 | 5.88 | 5.67 | 5.17 | |
| 28 x 28 x 12" | ECT-48 Double Wall Corrugated | 10/90 | 20.65 | 19.96 | 19.27 | 18.58 | 16.93 | |
| 28 x 28 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 8.34 | 8.06 | 7.78 | 7.51 | 6.84 | |
| 28 x 28 x 22" | ECT-32 Single Wall Corrugated | 10/150 | 12.50 | 12.08 | 11.66 | 11.25 | 10.25 | |
| 28 x 28 x 28" | ECT-32 Single Wall Corrugated | 5/120 | 8.57 | 8.28 | 8.00 | 7.71 | 7.03 | |
| 28 x 28 x 28" | ECT-48 Double Wall Corrugated | 5/90 | 21.44 | 20.72 | 20.01 | 19.30 | 17.58 | |
| 29 x 17 x 3" | ECT-32 Single Wall Corrugated | 25/300 | 4.46 | 4.31 | 4.17 | 4.02 | 3.66 | |
| 29 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 2.96 | 2.86 | 2.76 | 2.66 | 2.42 | |
| 29 x 17 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 5.19 | 5.02 | 4.84 | 4.67 | 4.25 | |
| 29 x 17 x 9" | ECT-32 Single Wall Corrugated | 15/150 | 3.36 | 3.25 | 3.13 | 3.02 | 2.75 | |
| 29 x 17 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 3.99 | 3.86 | 3.73 | 3.59 | 3.28 | |
| 29 x 17 x 15" | ECT-32 Single Wall Corrugated | 15/150 | 4.26 | 4.12 | 3.98 | 3.84 | 3.50 | |
| 29 x 17 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 5.23 | 5.05 | 4.88 | 4.70 | 4.29 | |
| 29 x 24 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 13.48 | 13.03 | 12.58 | 12.13 | 11.06 | |
| 30 x 5 x 24" | FOL | 10/120 | 2.86 | 2.77 | 2.67 | 2.58 | 2.35 | |
| 30 x 5 x 30" | FOL | 10/120 | 4.07 | 3.94 | 3.80 | 3.67 | 3.34 | |
| 30 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/375 | 1.20 | 1.16 | 1.12 | 1.08 | .98 | |
| 30 x 6 x 24" | ECT-44 Corrugated | 10/140 | 8.82 | 8.53 | 8.23 | 7.94 | 7.23 | |
| 30 x 6 x 24" | Inside Telescopic HSC | 10/150 | 5.33 | 5.15 | 4.97 | 4.79 | 4.37 | |
| 30 x 6 x 30" | ECT-44 Corrugated | 10/120 | 10.31 | 9.97 | 9.62 | 9.28 | 8.46 | |
| 30 x 6 x 40" | ECT-44 Corrugated | 10/140 | 12.74 | 12.31 | 11.89 | 11.46 | 10.45 | |
| 30 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.52 | 1.47 | 1.42 | 1.37 | 1.24 | |
| 30 x 10 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 1.95 | 1.88 | 1.82 | 1.75 | 1.60 | |
| 30 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/375 | 3.42 | 3.30 | 3.19 | 3.07 | 2.80 | |
| 30 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 3.55 | 3.43 | 3.31 | 3.19 | 2.91 | |
| 30 x 12 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 2.70 | 2.61 | 2.52 | 2.43 | 2.22 | |
| 30 x 13 x 13" | ECT-32 Single Wall Corrugated | 20/240 | 4.95 | 4.79 | 4.62 | 4.46 | 4.06 | |
| 30 x 14 x 7" | ECT-32 Single Wall Corrugated | 10/120 | 2.52 | 2.44 | 2.35 | 2.27 | 2.07 | |
| 30 x 14 x 10" | ECT-32 Single Wall Corrugated | 10/120 | 2.54 | 2.46 | 2.37 | 2.29 | 2.09 | |
| 30 x 15 x 15" | ECT-32 Single Wall Corrugated | 15/120 | 3.58 | 3.46 | 3.34 | 3.22 | 2.94 | |
| 30 x 15 x 15" | ECT-48 Double Wall Corrugated | 10/90 | 10.25 | 9.91 | 9.57 | 9.23 | 8.41 | |
| 30 x 17 x 16" | ECT-32 Single Wall Corrugated | 15/150 | 4.16 | 4.03 | 3.89 | 3.75 | 3.41 | |
| 30 x 17 x 16" | 14,12,10" | 15/150 | 4.67 | 4.51 | 4.36 | 4.20 | 3.83 | |
| 30 x 17 x 17" | ECT-51 Double Wall Corrugated | 5/75 | 8.14 | 7.87 | 7.60 | 7.33 | 6.68 | |
| 30 x 18 x 16" | ECT-32 Corrugated | 15/150 | 7.47 | 7.23 | 6.98 | 6.73 | 6.13 | |
| 30 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/120 | 4.31 | 4.16 | 4.02 | 3.87 | 3.53 | |
| 30 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 12.96 | 12.53 | 12.09 | 11.66 | 10.63 | |
| 30 x 20 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 3.12 | 3.01 | 2.91 | 2.80 | 2.56 | |
| 30 x 20 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 5.57 | 5.38 | 5.20 | 5.01 | 4.57 | |
| 30 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 3.71 | 3.58 | 3.46 | 3.34 | 3.04 | |
| 30 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.65 | 4.50 | 4.34 | 4.19 | 3.81 | |
| 30 x 20 x 18" | ECT-32 Single Wall Corrugated | 15/150 | 8.23 | 7.96 | 7.69 | 7.41 | 6.75 | |
| 30 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 5.58 | 5.39 | 5.21 | 5.02 | 4.58 | |
| 30 x 20 x 20" | ECT-44 - 18,16,14,12" | 10/120 | 7.56 | 7.31 | 7.06 | 6.81 | 6.20 | |
| 30 x 20 x 20" | ECT-48 Double Wall Corrugated | 10/70 | 8.17 | 7.89 | 7.62 | 7.35 | 6.70 | |
| 30 x 24 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.55 | 6.33 | 6.12 | 5.90 | 5.37 | |
| 30 x 24 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 5.48 | 5.30 | 5.11 | 4.93 | 4.49 | |
| 30 x 24 x 12" | 10,8,6,4" | 15/120 | 7.33 | 7.08 | 6.84 | 6.59 | 6.01 | |
| 30 x 24 x 12" | ECT-48 Double Wall Corrugated | 10/70 | 7.47 | 7.22 | 6.97 | 6.72 | 6.12 | |
| 30 x 24 x 20" | ECT-32 Single Wall Corrugated | 15/150 | 9.23 | 8.92 | 8.61 | 8.30 | 7.56 | |
| 30 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 10.09 | 9.76 | 9.42 | 9.08 | 8.28 | |
| 30 x 26 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 10.82 | 10.46 | 10.10 | 9.74 | 8.87 | |
| 30 x 30 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 7.46 | 7.21 | 6.96 | 6.71 | 6.12 | |
| 30 x 30 x 8" | ECT-32 Single Wall Corrugated | 10/120 | 6.68 | 6.46 | 6.23 | 6.01 | 5.48 | |
| 30 x 30 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.51 | 6.29 | 6.08 | 5.86 | 5.34 | |
| 30 x 30 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 8.85 | 8.55 | 8.26 | 7.96 | 7.25 | |
| 30 x 30 x 12" | ECT-48 Double Wall Corrugated | 5/75 | 15.55 | 15.03 | 14.51 | 14.00 | 12.75 | |
| 30 x 30 x 16" | ECT-32 Single Wall Corrugated | 10/120 | 7.28 | 7.04 | 6.79 | 6.55 | 5.97 | |
| 30 x 30 x 16" | ECT-48 Double Wall Corrugated | 5/90 | 16.51 | 15.96 | 15.41 | 14.86 | 13.54 | |
| 30 x 30 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 14.58 | 14.09 | 13.61 | 13.12 | 11.96 | |
| 30 x 30 x 20" | ECT-48 Double Wall Corrugated | 5/90 | 19.38 | 18.73 | 18.09 | 17.44 | 15.89 | |
| 30 x 30 x 25" | ECT-32 Single Wall Corrugated | 5/120 | 9.39 | 9.08 | 8.77 | 8.45 | 7.70 | |
| 30 x 30 x 30" | ECT-32 Single Wall Corrugated | 5/120 | 10.06 | 9.73 | 9.39 | 9.06 | 8.25 | |
| 30 x 30 x 30" | ECT-48 Double Wall Corrugated | 5/75 | 15.51 | 15.00 | 14.48 | 13.96 | 12.72 | |
| 30 x 30 x 30" | ECT-90 Triple Wall Corrugated | 5/30 | 50.08 | 48.41 | 46.74 | 45.07 | 41.06 | |
| 30 1/2 x 6 1/2 x 24" | Outside Telescopic HSC | 10/150 | 5.80 | 5.61 | 5.41 | 5.22 | 4.76 | |
| 31 x 16 x 9" | ECT-32 Corrugated | 10/120 | 5.14 | 4.97 | 4.80 | 4.63 | 4.22 | |
| 32 x 6 x 6" | ECT-32 Corrugated | 25/375 | 1.26 | 1.22 | 1.18 | 1.13 | 1.03 | |
| 32 x 8 x 8" | ECT-32 Corrugated | 25/375 | 1.76 | 1.70 | 1.65 | 1.59 | 1.45 | |
| 32 x 10 x 6 1/2" | ECT-32 Corrugated | 20/240 | 3.08 | 2.97 | 2.87 | 2.77 | 2.52 | |
| 32 x 10 x 10" | ECT-32 Corrugated | 20/240 | 3.71 | 3.58 | 3.46 | 3.34 | 3.04 | |
| 32 x 12 x 10" | ECT-32 Corrugated | 20/240 | 2.52 | 2.44 | 2.35 | 2.27 | 2.07 | |
| 32 x 12 x 12" | ECT-32 Corrugated | 20/240 | 2.88 | 2.78 | 2.69 | 2.59 | 2.36 | |
| 32 x 16 x 16" | ECT-32 Corrugated | 15/150 | 6.82 | 6.60 | 6.37 | 6.14 | 5.60 | |
| 32 x 18 x 8" | ECT-32 Corrugated | 15/150 | 3.45 | 3.33 | 3.22 | 3.10 | 2.83 | |
| 32 x 18 x 12" | ECT-32 Corrugated | 15/150 | 3.58 | 3.46 | 3.35 | 3.23 | 2.94 | |
| 32 x 18 x 18" | ECT-32 Corrugated | 15/150 | 5.95 | 5.75 | 5.55 | 5.35 | 4.88 | |
| 32 x 24 x 24" | ECT-32 Corrugated | 15/150 | 10.25 | 9.91 | 9.57 | 9.23 | 8.41 | |
| 32 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 9.37 | 9.06 | 8.74 | 8.43 | 7.68 | |
| 32 x 24 x 24" | ECT-48 Double Wall Corrugated | 5/75 | 11.28 | 10.90 | 10.53 | 10.15 | 9.25 | |
| 32 x 32 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 15.57 | 15.05 | 14.53 | 14.01 | 12.76 | |
| 32 x 32 x 12" | ECT-32 Single Wall Corrugated | 10/150 | 11.34 | 10.96 | 10.58 | 10.20 | 9.30 | |
| 32 x 32 x 32" | ECT-32 Single Wall Corrugated | 5/120 | 12.12 | 11.71 | 11.31 | 10.90 | 9.94 | |
| 32 x 32 x 32" | ECT-48 Double Wall Corrugated | 5/90 | 21.97 | 21.24 | 20.50 | 19.77 | 18.01 | |
| 33 x 8 1/2 x 5" | ECT-32 Single Wall Corrugated | 25/375 | 2.38 | 2.30 | 2.22 | 2.14 | 1.95 | |
| 34 x 10 x 6" | ECT-32 Single Wall Corrugated | 10/300 | 1.87 | 1.81 | 1.75 | 1.68 | 1.53 | |
| 34 x 21 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 7.46 | 7.21 | 6.96 | 6.72 | 6.12 | |
| 34 x 34 x 34" | ECT-32 Single Wall Corrugated | 5/120 | 13.77 | 13.31 | 12.85 | 12.39 | 11.29 | |