| 27 x 14 x 9" | ECT-32 Single Wall Corrugated | 20/240 | $3.82 | $3.17 | $2.92 | $2.71 | $2.54 | |
| 27 x 27 x 27" | ECT-32 Single Wall Corrugated | 5/120 | 12.38 | 10.28 | 9.47 | 8.79 | 8.23 | |
| 28 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/625 | 2.49 | 2.07 | 1.91 | 1.77 | 1.66 | |
| 28 x 5 x 24" | FOL | 10/120 | 6.55 | 5.44 | 5.01 | 4.65 | 4.36 | |
| 28 x 5 x 38" | FOL | 20/120 | 9.21 | 7.65 | 7.05 | 6.54 | 6.13 | |
| 28 x 6 x 6" | ECT-32 Single Wall Corrugated | 20/240 | 1.97 | 1.64 | 1.51 | 1.40 | 1.31 | |
| 28 x 6 x 20" | ECT-44 Single Wall Corrugated | 5/120 | 11.60 | 9.63 | 8.87 | 8.23 | 7.71 | |
| 28 x 6 x 52" | FOL | 5/120 | 17.15 | 14.24 | 13.12 | 12.18 | 11.41 | |
| 28 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 2.27 | 1.88 | 1.74 | 1.61 | 1.51 | |
| 28 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/300 | 3.26 | 2.71 | 2.50 | 2.32 | 2.17 | |
| 28 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/300 | 2.89 | 2.40 | 2.21 | 2.06 | 1.92 | |
| 28 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/300 | 5.00 | 4.15 | 3.82 | 3.55 | 3.32 | |
| 28 x 12 x 12" | ECT-32 Single Wall Corrugated | 20/240 | 3.76 | 3.12 | 2.88 | 2.67 | 2.50 | |
| 28 x 14 x 14" | ECT-32 Single Wall Corrugated | 20/120 | 4.77 | 3.96 | 3.65 | 3.39 | 3.17 | |
| 28 x 16 x 5" | ECT-32 Single Wall Corrugated | 25/300 | 6.08 | 5.05 | 4.65 | 4.32 | 4.05 | |
| 28 x 16 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 4.19 | 3.48 | 3.21 | 2.98 | 2.79 | |
| 28 x 16 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 4.56 | 3.79 | 3.49 | 3.24 | 3.04 | |
| 28 x 16 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 4.92 | 4.09 | 3.77 | 3.50 | 3.27 | |
| 28 x 16 x 14" | ECT-32 Single Wall Corrugated | 15/120 | 5.59 | 4.64 | 4.27 | 3.97 | 3.72 | |
| 28 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 3.90 | 3.23 | 2.98 | 2.77 | 2.59 | |
| 28 x 18 x 6" | ECT-32 Single Wall Corrugated | 20/140 | 7.71 | 6.40 | 5.90 | 5.47 | 5.13 | |
| 28 x 18 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 6.36 | 5.28 | 4.86 | 4.51 | 4.23 | |
| 28 x 18 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.79 | 5.64 | 5.20 | 4.82 | 4.52 | |
| 28 x 18 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 5.29 | 4.39 | 4.05 | 3.76 | 3.52 | |
| 28 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/150 | 5.78 | 4.80 | 4.43 | 4.11 | 3.85 | |
| 28 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 16.14 | 13.39 | 12.35 | 11.46 | 10.73 | |
| 28 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 8.55 | 7.10 | 6.54 | 6.07 | 5.69 | |
| 28 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 5.98 | 4.96 | 4.57 | 4.24 | 3.97 | |
| 28 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 7.14 | 5.93 | 5.46 | 5.07 | 4.75 | |
| 28 x 20 x 24" | 22,20,18,16,14" | 10/120 | 13.13 | 10.90 | 10.05 | 9.32 | 8.73 | |
| 28 x 20 x 25" | ECT-32 Single Wall Corrugated | 10/120 | 8.98 | 7.45 | 6.87 | 6.37 | 5.97 | |
| 28 x 24 x 6" | ECT-32 Single Wall Corrugated | 10/240 | 6.31 | 5.24 | 4.83 | 4.48 | 4.20 | |
| 28 x 24 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 16.12 | 13.38 | 12.33 | 11.45 | 10.72 | |
| 28 x 28 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 8.23 | 6.83 | 6.30 | 5.85 | 5.47 | |
| 28 x 28 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 16.21 | 13.45 | 12.40 | 11.51 | 10.78 | |
| 28 x 28 x 10" | ECT-32 Single Wall Corrugated | 10/150 | 15.36 | 12.75 | 11.75 | 10.91 | 10.21 | |
| 28 x 28 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 9.24 | 7.67 | 7.07 | 6.56 | 6.14 | |
| 28 x 28 x 12" | ECT-48 Double Wall Corrugated | 10/90 | 29.18 | 24.22 | 22.32 | 20.72 | 19.41 | |
| 28 x 28 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 11.54 | 9.58 | 8.83 | 8.20 | 7.68 | |
| 28 x 28 x 22" | ECT-32 Single Wall Corrugated | 10/150 | 17.66 | 14.66 | 13.51 | 12.54 | 11.74 | |
| 28 x 28 x 28" | ECT-32 Single Wall Corrugated | 5/120 | 13.35 | 11.08 | 10.21 | 9.48 | 8.88 | |
| 28 x 28 x 28" | ECT-48 Double Wall Corrugated | 5/90 | 30.30 | 25.15 | 23.18 | 21.51 | 20.15 | |
| 29 x 17 x 3" | ECT-32 Single Wall Corrugated | 25/300 | 6.31 | 5.24 | 4.83 | 4.48 | 4.19 | |
| 29 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 4.18 | 3.47 | 3.20 | 2.97 | 2.78 | |
| 29 x 17 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 7.33 | 6.09 | 5.61 | 5.21 | 4.88 | |
| 29 x 17 x 9" | ECT-32 Single Wall Corrugated | 15/150 | 4.75 | 3.94 | 3.63 | 3.37 | 3.16 | |
| 29 x 17 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 5.61 | 4.66 | 4.30 | 3.99 | 3.73 | |
| 29 x 17 x 15" | ECT-32 Single Wall Corrugated | 15/150 | 6.00 | 4.98 | 4.59 | 4.26 | 3.99 | |
| 29 x 17 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 7.39 | 6.13 | 5.65 | 5.25 | 4.91 | |
| 29 x 24 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 19.06 | 15.82 | 14.58 | 13.53 | 12.67 | |
| 30 x 5 x 24" | FOL | 10/120 | 4.86 | 4.03 | 3.72 | 3.45 | 3.23 | |
| 30 x 5 x 30" | FOL | 10/120 | 5.76 | 4.78 | 4.40 | 4.09 | 3.83 | |
| 30 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/375 | 2.05 | 1.70 | 1.57 | 1.46 | 1.36 | |
| 30 x 6 x 24" | ECT-44 Corrugated | 10/140 | 12.47 | 10.35 | 9.54 | 8.85 | 8.29 | |
| 30 x 6 x 24" | Inside Telescopic HSC | 10/150 | 7.74 | 6.42 | 5.92 | 5.49 | 5.15 | |
| 30 x 6 x 30" | ECT-44 Corrugated | 10/120 | 14.57 | 12.10 | 11.15 | 10.35 | 9.69 | |
| 30 x 6 x 40" | ECT-44 Corrugated | 10/140 | 18.00 | 14.94 | 13.77 | 12.78 | 11.97 | |
| 30 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 2.53 | 2.10 | 1.94 | 1.80 | 1.68 | |
| 30 x 10 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 3.11 | 2.58 | 2.38 | 2.21 | 2.07 | |
| 30 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/375 | 4.92 | 4.09 | 3.77 | 3.50 | 3.27 | |
| 30 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 5.01 | 4.16 | 3.83 | 3.56 | 3.33 | |
| 30 x 12 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 3.92 | 3.25 | 3.00 | 2.78 | 2.60 | |
| 30 x 13 x 13" | ECT-32 Single Wall Corrugated | 20/240 | 7.00 | 5.81 | 5.36 | 4.97 | 4.66 | |
| 30 x 14 x 7" | ECT-32 Single Wall Corrugated | 10/120 | 3.59 | 2.98 | 2.75 | 2.55 | 2.39 | |
| 30 x 14 x 10" | ECT-32 Single Wall Corrugated | 10/120 | 4.14 | 3.44 | 3.17 | 2.94 | 2.76 | |
| 30 x 15 x 15" | ECT-32 Single Wall Corrugated | 15/120 | 5.42 | 4.50 | 4.15 | 3.85 | 3.61 | |
| 30 x 15 x 15" | ECT-48 Double Wall Corrugated | 10/90 | 14.49 | 12.02 | 11.08 | 10.29 | 9.63 | |
| 30 x 17 x 16" | ECT-32 Single Wall Corrugated | 15/150 | 5.89 | 4.88 | 4.50 | 4.18 | 3.91 | |
| 30 x 17 x 16" | 14,12,10" | 15/150 | 6.60 | 5.47 | 5.05 | 4.68 | 4.39 | |
| 30 x 17 x 17" | ECT-51 Double Wall Corrugated | 5/75 | 11.18 | 9.28 | 8.55 | 7.94 | 7.44 | |
| 30 x 18 x 16" | ECT-32 Corrugated | 15/150 | 10.56 | 8.77 | 8.08 | 7.50 | 7.03 | |
| 30 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/120 | 6.84 | 5.68 | 5.23 | 4.86 | 4.55 | |
| 30 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 18.31 | 15.20 | 14.01 | 13.00 | 12.18 | |
| 30 x 20 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 4.95 | 4.11 | 3.79 | 3.51 | 3.29 | |
| 30 x 20 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 7.87 | 6.53 | 6.02 | 5.59 | 5.23 | |
| 30 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.97 | 4.96 | 4.57 | 4.24 | 3.97 | |
| 30 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 6.57 | 5.46 | 5.03 | 4.67 | 4.37 | |
| 30 x 20 x 18" | ECT-32 Single Wall Corrugated | 15/150 | 11.64 | 9.66 | 8.90 | 8.26 | 7.74 | |
| 30 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 7.89 | 6.55 | 6.03 | 5.60 | 5.24 | |
| 30 x 20 x 20" | ECT-44 - 18,16,14,12" | 10/120 | 10.69 | 8.87 | 8.18 | 7.59 | 7.11 | |
| 30 x 20 x 20" | ECT-48 Double Wall Corrugated | 10/70 | 14.41 | 11.96 | 11.02 | 10.23 | 9.58 | |
| 30 x 24 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 9.07 | 7.53 | 6.94 | 6.44 | 6.03 | |
| 30 x 24 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 8.30 | 6.89 | 6.35 | 5.90 | 5.52 | |
| 30 x 24 x 12" | 10,8,6,4" | 15/120 | 10.35 | 8.59 | 7.92 | 7.35 | 6.89 | |
| 30 x 24 x 12" | ECT-48 Double Wall Corrugated | 10/70 | 13.29 | 11.03 | 10.17 | 9.43 | 8.84 | |
| 30 x 24 x 20" | ECT-32 Single Wall Corrugated | 15/150 | 12.71 | 10.55 | 9.72 | 9.03 | 8.45 | |
| 30 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 16.43 | 13.64 | 12.57 | 11.67 | 10.93 | |
| 30 x 26 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 15.29 | 12.69 | 11.70 | 10.86 | 10.17 | |
| 30 x 30 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 10.54 | 8.75 | 8.06 | 7.48 | 7.01 | |
| 30 x 30 x 8" | ECT-32 Single Wall Corrugated | 10/120 | 9.34 | 7.75 | 7.14 | 6.63 | 6.21 | |
| 30 x 30 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 10.46 | 8.68 | 8.00 | 7.43 | 6.96 | |
| 30 x 30 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 12.50 | 10.38 | 9.56 | 8.88 | 8.31 | |
| 30 x 30 x 12" | ECT-48 Double Wall Corrugated | 5/75 | 21.98 | 18.24 | 16.81 | 15.60 | 14.62 | |
| 30 x 30 x 16" | ECT-32 Single Wall Corrugated | 10/120 | 11.06 | 9.18 | 8.46 | 7.86 | 7.36 | |
| 30 x 30 x 16" | ECT-48 Double Wall Corrugated | 5/90 | 23.33 | 19.36 | 17.85 | 16.56 | 15.51 | |
| 30 x 30 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 20.61 | 17.10 | 15.76 | 14.63 | 13.70 | |
| 30 x 30 x 20" | ECT-48 Double Wall Corrugated | 5/90 | 26.29 | 21.82 | 20.11 | 18.67 | 17.48 | |
| 30 x 30 x 25" | ECT-32 Single Wall Corrugated | 5/120 | 13.27 | 11.02 | 10.15 | 9.42 | 8.83 | |
| 30 x 30 x 30" | ECT-32 Single Wall Corrugated | 5/120 | 15.86 | 13.16 | 12.13 | 11.26 | 10.55 | |
| 30 x 30 x 30" | ECT-48 Double Wall Corrugated | 5/75 | 26.14 | 21.70 | 20.00 | 18.56 | 17.38 | |
| 30 x 30 x 30" | ECT-90 Triple Wall Corrugated | 5/30 | 70.78 | 58.74 | 54.14 | 50.25 | 47.07 | |
| 30 1/2 x 6 1/2 x 24" | Outside Telescopic HSC | 10/150 | 8.12 | 6.74 | 6.21 | 5.76 | 5.40 | |
| 31 x 16 x 9" | ECT-32 Corrugated | 10/120 | 7.27 | 6.03 | 5.56 | 5.16 | 4.83 | |
| 32 x 6 x 6" | ECT-32 Corrugated | 25/375 | 2.21 | 1.83 | 1.69 | 1.57 | 1.47 | |
| 32 x 8 x 8" | ECT-32 Corrugated | 25/375 | 2.49 | 2.07 | 1.91 | 1.77 | 1.66 | |
| 32 x 10 x 6 1/2" | ECT-32 Corrugated | 20/240 | 4.35 | 3.61 | 3.33 | 3.09 | 2.89 | |
| 32 x 10 x 10" | ECT-32 Corrugated | 20/240 | 5.24 | 4.35 | 4.01 | 3.72 | 3.48 | |
| 32 x 12 x 10" | ECT-32 Corrugated | 20/240 | 3.85 | 3.19 | 2.94 | 2.73 | 2.56 | |
| 32 x 12 x 12" | ECT-32 Corrugated | 20/240 | 4.07 | 3.38 | 3.11 | 2.89 | 2.71 | |
| 32 x 16 x 16" | ECT-32 Corrugated | 15/150 | 9.64 | 8.00 | 7.38 | 6.85 | 6.41 | |
| 32 x 18 x 8" | ECT-32 Corrugated | 15/150 | 5.35 | 4.44 | 4.10 | 3.80 | 3.56 | |
| 32 x 18 x 12" | ECT-32 Corrugated | 15/150 | 6.06 | 5.03 | 4.64 | 4.31 | 4.03 | |
| 32 x 18 x 18" | ECT-32 Corrugated | 15/150 | 8.41 | 6.98 | 6.43 | 5.97 | 5.59 | |
| 32 x 24 x 24" | ECT-32 Corrugated | 15/150 | 14.49 | 12.02 | 11.08 | 10.29 | 9.63 | |
| 32 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 13.90 | 11.54 | 10.63 | 9.87 | 9.24 | |
| 32 x 24 x 24" | ECT-48 Double Wall Corrugated | 5/75 | 17.94 | 14.89 | 13.72 | 12.73 | 11.93 | |
| 32 x 32 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 19.63 | 16.30 | 15.02 | 13.94 | 13.06 | |
| 32 x 32 x 12" | ECT-32 Single Wall Corrugated | 10/150 | 16.02 | 13.30 | 12.26 | 11.38 | 10.66 | |
| 32 x 32 x 32" | ECT-32 Single Wall Corrugated | 5/120 | 17.12 | 14.21 | 13.10 | 12.16 | 11.39 | |
| 32 x 32 x 32" | ECT-48 Double Wall Corrugated | 5/90 | 31.05 | 25.77 | 23.75 | 22.04 | 20.65 | |
| 33 x 8 1/2 x 5" | ECT-32 Single Wall Corrugated | 25/375 | 3.37 | 2.80 | 2.58 | 2.39 | 2.24 | |
| 34 x 10 x 6" | ECT-32 Single Wall Corrugated | 10/300 | 2.99 | 2.48 | 2.29 | 2.12 | 1.99 | |
| 34 x 21 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 10.55 | 8.75 | 8.07 | 7.49 | 7.01 | |
| 34 x 34 x 34" | ECT-32 Single Wall Corrugated | 5/120 | 19.46 | 16.15 | 14.88 | 13.81 | 12.94 | |