| 27 x 14 x 9" | ECT-32 Single Wall Corrugated | 20/240 | $3.44 | $3.25 | $3.06 | $2.87 | $2.68 | |
| 27 x 27 x 27" | ECT-32 Single Wall Corrugated | 5/120 | 11.14 | 10.52 | 9.90 | 9.29 | 8.67 | |
| 28 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/625 | 2.24 | 2.12 | 1.99 | 1.87 | 1.74 | |
| 28 x 5 x 24" | FOL | 10/120 | 5.90 | 5.57 | 5.24 | 4.92 | 4.59 | |
| 28 x 5 x 38" | FOL | 20/120 | 8.29 | 7.83 | 7.37 | 6.91 | 6.45 | |
| 28 x 6 x 6" | ECT-32 Single Wall Corrugated | 20/240 | 1.78 | 1.68 | 1.58 | 1.48 | 1.38 | |
| 28 x 6 x 20" | ECT-44 Single Wall Corrugated | 5/120 | 10.44 | 9.86 | 9.28 | 8.70 | 8.12 | |
| 28 x 6 x 52" | FOL | 5/120 | 15.44 | 14.58 | 13.72 | 12.87 | 12.01 | |
| 28 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 2.04 | 1.93 | 1.82 | 1.70 | 1.59 | |
| 28 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/300 | 2.94 | 2.78 | 2.61 | 2.45 | 2.29 | |
| 28 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/300 | 2.61 | 2.46 | 2.32 | 2.17 | 2.03 | |
| 28 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/300 | 4.50 | 4.25 | 4.00 | 3.75 | 3.50 | |
| 28 x 12 x 12" | ECT-32 Single Wall Corrugated | 20/240 | 3.39 | 3.20 | 3.01 | 2.82 | 2.63 | |
| 28 x 14 x 14" | ECT-32 Single Wall Corrugated | 20/120 | 4.29 | 4.05 | 3.82 | 3.58 | 3.34 | |
| 28 x 16 x 5" | ECT-32 Single Wall Corrugated | 25/300 | 5.48 | 5.17 | 4.87 | 4.56 | 4.26 | |
| 28 x 16 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 3.77 | 3.57 | 3.36 | 3.15 | 2.94 | |
| 28 x 16 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 4.11 | 3.88 | 3.65 | 3.42 | 3.19 | |
| 28 x 16 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 4.43 | 4.18 | 3.94 | 3.69 | 3.45 | |
| 28 x 16 x 14" | ECT-32 Single Wall Corrugated | 15/120 | 5.03 | 4.75 | 4.47 | 4.19 | 3.91 | |
| 28 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 3.51 | 3.31 | 3.12 | 2.92 | 2.73 | |
| 28 x 18 x 6" | ECT-32 Single Wall Corrugated | 20/140 | 6.94 | 6.55 | 6.17 | 5.78 | 5.39 | |
| 28 x 18 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 5.72 | 5.40 | 5.09 | 4.77 | 4.45 | |
| 28 x 18 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.11 | 5.78 | 5.44 | 5.10 | 4.76 | |
| 28 x 18 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 4.76 | 4.50 | 4.23 | 3.97 | 3.70 | |
| 28 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/150 | 5.21 | 4.92 | 4.63 | 4.34 | 4.05 | |
| 28 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 14.52 | 13.72 | 12.91 | 12.10 | 11.30 | |
| 28 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 7.70 | 7.27 | 6.84 | 6.42 | 5.99 | |
| 28 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 5.38 | 5.08 | 4.78 | 4.48 | 4.18 | |
| 28 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 6.43 | 6.07 | 5.71 | 5.35 | 5.00 | |
| 28 x 20 x 24" | 22,20,18,16,14" | 10/120 | 11.82 | 11.16 | 10.51 | 9.85 | 9.19 | |
| 28 x 20 x 25" | ECT-32 Single Wall Corrugated | 10/120 | 8.08 | 7.63 | 7.18 | 6.73 | 6.28 | |
| 28 x 24 x 6" | ECT-32 Single Wall Corrugated | 10/240 | 5.68 | 5.37 | 5.05 | 4.74 | 4.42 | |
| 28 x 24 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 14.51 | 13.70 | 12.90 | 12.09 | 11.29 | |
| 28 x 28 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 7.41 | 7.00 | 6.59 | 6.17 | 5.76 | |
| 28 x 28 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 14.59 | 13.78 | 12.97 | 12.16 | 11.35 | |
| 28 x 28 x 10" | ECT-32 Single Wall Corrugated | 10/150 | 13.82 | 13.06 | 12.29 | 11.52 | 10.75 | |
| 28 x 28 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 8.31 | 7.85 | 7.39 | 6.93 | 6.47 | |
| 28 x 28 x 12" | ECT-48 Double Wall Corrugated | 10/90 | 26.26 | 24.80 | 23.34 | 21.89 | 20.43 | |
| 28 x 28 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 10.39 | 9.81 | 9.23 | 8.66 | 8.08 | |
| 28 x 28 x 22" | ECT-32 Single Wall Corrugated | 10/150 | 15.89 | 15.01 | 14.13 | 13.25 | 12.36 | |
| 28 x 28 x 28" | ECT-32 Single Wall Corrugated | 5/120 | 12.02 | 11.35 | 10.68 | 10.01 | 9.35 | |
| 28 x 28 x 28" | ECT-48 Double Wall Corrugated | 5/90 | 27.27 | 25.76 | 24.24 | 22.73 | 21.21 | |
| 29 x 17 x 3" | ECT-32 Single Wall Corrugated | 25/300 | 5.68 | 5.36 | 5.05 | 4.73 | 4.42 | |
| 29 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 3.76 | 3.55 | 3.34 | 3.13 | 2.92 | |
| 29 x 17 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 6.60 | 6.23 | 5.87 | 5.50 | 5.13 | |
| 29 x 17 x 9" | ECT-32 Single Wall Corrugated | 15/150 | 4.27 | 4.03 | 3.80 | 3.56 | 3.32 | |
| 29 x 17 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 5.05 | 4.77 | 4.49 | 4.21 | 3.93 | |
| 29 x 17 x 15" | ECT-32 Single Wall Corrugated | 15/150 | 5.40 | 5.10 | 4.80 | 4.50 | 4.20 | |
| 29 x 17 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 6.65 | 6.28 | 5.91 | 5.54 | 5.17 | |
| 29 x 24 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 17.15 | 16.20 | 15.24 | 14.29 | 13.34 | |
| 30 x 5 x 24" | FOL | 10/120 | 4.60 | 4.35 | 4.09 | 3.84 | 3.58 | |
| 30 x 5 x 30" | FOL | 10/120 | 5.18 | 4.89 | 4.60 | 4.32 | 4.03 | |
| 30 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/375 | 1.85 | 1.74 | 1.64 | 1.54 | 1.44 | |
| 30 x 6 x 24" | ECT-44 Corrugated | 10/140 | 11.22 | 10.60 | 9.97 | 9.35 | 8.73 | |
| 30 x 6 x 24" | Inside Telescopic HSC | 10/150 | 6.96 | 6.58 | 6.19 | 5.80 | 5.42 | |
| 30 x 6 x 30" | ECT-44 Corrugated | 10/120 | 13.12 | 12.39 | 11.66 | 10.93 | 10.20 | |
| 30 x 6 x 40" | ECT-44 Corrugated | 10/140 | 16.20 | 15.30 | 14.40 | 13.50 | 12.60 | |
| 30 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 2.28 | 2.15 | 2.03 | 1.90 | 1.77 | |
| 30 x 10 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 2.80 | 2.65 | 2.49 | 2.34 | 2.18 | |
| 30 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/375 | 4.43 | 4.19 | 3.94 | 3.69 | 3.45 | |
| 30 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 4.51 | 4.26 | 4.01 | 3.76 | 3.51 | |
| 30 x 12 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 3.52 | 3.33 | 3.13 | 2.94 | 2.74 | |
| 30 x 13 x 13" | ECT-32 Single Wall Corrugated | 20/240 | 6.30 | 5.95 | 5.60 | 5.25 | 4.90 | |
| 30 x 14 x 7" | ECT-32 Single Wall Corrugated | 10/120 | 3.23 | 3.05 | 2.87 | 2.70 | 2.52 | |
| 30 x 14 x 10" | ECT-32 Single Wall Corrugated | 10/120 | 3.73 | 3.52 | 3.32 | 3.11 | 2.90 | |
| 30 x 15 x 15" | ECT-32 Single Wall Corrugated | 15/120 | 4.88 | 4.61 | 4.34 | 4.07 | 3.80 | |
| 30 x 15 x 15" | ECT-48 Double Wall Corrugated | 10/90 | 13.04 | 12.31 | 11.59 | 10.87 | 10.14 | |
| 30 x 17 x 16" | ECT-32 Single Wall Corrugated | 15/150 | 5.30 | 5.00 | 4.71 | 4.41 | 4.12 | |
| 30 x 17 x 16" | 14,12,10" | 15/150 | 5.94 | 5.61 | 5.28 | 4.95 | 4.62 | |
| 30 x 17 x 17" | ECT-51 Double Wall Corrugated | 5/75 | 10.06 | 9.51 | 8.95 | 8.39 | 7.83 | |
| 30 x 18 x 16" | ECT-32 Corrugated | 15/150 | 9.51 | 8.98 | 8.45 | 7.92 | 7.39 | |
| 30 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/120 | 6.16 | 5.82 | 5.47 | 5.13 | 4.79 | |
| 30 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 16.48 | 15.57 | 14.65 | 13.74 | 12.82 | |
| 30 x 20 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 4.46 | 4.21 | 3.96 | 3.71 | 3.47 | |
| 30 x 20 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 7.08 | 6.69 | 6.30 | 5.90 | 5.51 | |
| 30 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.38 | 5.08 | 4.78 | 4.48 | 4.18 | |
| 30 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 5.92 | 5.59 | 5.26 | 4.93 | 4.60 | |
| 30 x 20 x 18" | ECT-32 Single Wall Corrugated | 15/150 | 10.47 | 9.89 | 9.31 | 8.73 | 8.15 | |
| 30 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 7.10 | 6.70 | 6.31 | 5.92 | 5.52 | |
| 30 x 20 x 20" | ECT-44 - 18,16,14,12" | 10/120 | 9.62 | 9.09 | 8.55 | 8.02 | 7.48 | |
| 30 x 20 x 20" | ECT-48 Double Wall Corrugated | 10/70 | 12.97 | 12.25 | 11.53 | 10.81 | 10.09 | |
| 30 x 24 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 8.16 | 7.71 | 7.26 | 6.80 | 6.35 | |
| 30 x 24 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 7.47 | 7.06 | 6.64 | 6.23 | 5.81 | |
| 30 x 24 x 12" | 10,8,6,4" | 15/120 | 9.32 | 8.80 | 8.28 | 7.77 | 7.25 | |
| 30 x 24 x 12" | ECT-48 Double Wall Corrugated | 10/70 | 11.96 | 11.30 | 10.63 | 9.97 | 9.30 | |
| 30 x 24 x 20" | ECT-32 Single Wall Corrugated | 15/150 | 11.44 | 10.80 | 10.17 | 9.53 | 8.90 | |
| 30 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 14.79 | 13.97 | 13.14 | 12.32 | 11.50 | |
| 30 x 26 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 13.76 | 13.00 | 12.24 | 11.47 | 10.71 | |
| 30 x 30 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 9.49 | 8.96 | 8.43 | 7.91 | 7.38 | |
| 30 x 30 x 8" | ECT-32 Single Wall Corrugated | 10/120 | 8.40 | 7.94 | 7.47 | 7.00 | 6.54 | |
| 30 x 30 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 9.41 | 8.89 | 8.37 | 7.84 | 7.32 | |
| 30 x 30 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 11.25 | 10.63 | 10.00 | 9.38 | 8.75 | |
| 30 x 30 x 12" | ECT-48 Double Wall Corrugated | 5/75 | 19.78 | 18.68 | 17.58 | 16.48 | 15.38 | |
| 30 x 30 x 16" | ECT-32 Single Wall Corrugated | 10/120 | 9.96 | 9.40 | 8.85 | 8.30 | 7.74 | |
| 30 x 30 x 16" | ECT-48 Double Wall Corrugated | 5/90 | 21.00 | 19.83 | 18.66 | 17.50 | 16.33 | |
| 30 x 30 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 18.55 | 17.52 | 16.49 | 15.45 | 14.42 | |
| 30 x 30 x 20" | ECT-48 Double Wall Corrugated | 5/90 | 23.66 | 22.35 | 21.03 | 19.72 | 18.40 | |
| 30 x 30 x 25" | ECT-32 Single Wall Corrugated | 5/120 | 11.95 | 11.28 | 10.62 | 9.95 | 9.29 | |
| 30 x 30 x 30" | ECT-32 Single Wall Corrugated | 5/120 | 14.27 | 13.48 | 12.69 | 11.90 | 11.10 | |
| 30 x 30 x 30" | ECT-48 Double Wall Corrugated | 5/75 | 23.53 | 22.22 | 20.91 | 19.61 | 18.30 | |
| 30 x 30 x 30" | ECT-90 Triple Wall Corrugated | 5/30 | 63.70 | 60.16 | 56.62 | 53.08 | 49.54 | |
| 30 1/2 x 6 1/2 x 24" | Outside Telescopic HSC | 10/150 | 7.31 | 6.90 | 6.50 | 6.09 | 5.68 | |
| 31 x 16 x 9" | ECT-32 Corrugated | 10/120 | 6.54 | 6.18 | 5.81 | 5.45 | 5.09 | |
| 32 x 6 x 6" | ECT-32 Corrugated | 25/375 | 1.99 | 1.88 | 1.77 | 1.66 | 1.55 | |
| 32 x 8 x 8" | ECT-32 Corrugated | 25/375 | 2.24 | 2.12 | 1.99 | 1.87 | 1.74 | |
| 32 x 10 x 6 1/2" | ECT-32 Corrugated | 20/240 | 3.91 | 3.70 | 3.48 | 3.26 | 3.04 | |
| 32 x 10 x 10" | ECT-32 Corrugated | 20/240 | 4.72 | 4.45 | 4.19 | 3.93 | 3.67 | |
| 32 x 12 x 10" | ECT-32 Corrugated | 20/240 | 3.46 | 3.27 | 3.08 | 2.89 | 2.69 | |
| 32 x 12 x 12" | ECT-32 Corrugated | 20/240 | 3.66 | 3.46 | 3.26 | 3.05 | 2.85 | |
| 32 x 16 x 16" | ECT-32 Corrugated | 15/150 | 8.68 | 8.20 | 7.72 | 7.23 | 6.75 | |
| 32 x 18 x 8" | ECT-32 Corrugated | 15/150 | 4.82 | 4.55 | 4.28 | 4.02 | 3.75 | |
| 32 x 18 x 12" | ECT-32 Corrugated | 15/150 | 5.46 | 5.15 | 4.85 | 4.55 | 4.24 | |
| 32 x 18 x 18" | ECT-32 Corrugated | 15/150 | 7.57 | 7.14 | 6.72 | 6.30 | 5.88 | |
| 32 x 24 x 24" | ECT-32 Corrugated | 15/150 | 13.04 | 12.31 | 11.59 | 10.87 | 10.14 | |
| 32 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 13.17 | 12.44 | 11.71 | 10.97 | 10.24 | |
| 32 x 24 x 24" | ECT-48 Double Wall Corrugated | 5/75 | 16.14 | 15.25 | 14.35 | 13.45 | 12.56 | |
| 32 x 32 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 17.67 | 16.69 | 15.71 | 14.73 | 13.74 | |
| 32 x 32 x 12" | ECT-32 Single Wall Corrugated | 10/150 | 14.42 | 13.62 | 12.82 | 12.02 | 11.22 | |
| 32 x 32 x 32" | ECT-32 Single Wall Corrugated | 5/120 | 15.41 | 14.56 | 13.70 | 12.84 | 11.99 | |
| 32 x 32 x 32" | ECT-48 Double Wall Corrugated | 5/90 | 27.94 | 26.39 | 24.84 | 23.29 | 21.73 | |
| 33 x 8 1/2 x 5" | ECT-32 Single Wall Corrugated | 25/375 | 3.03 | 2.86 | 2.69 | 2.53 | 2.36 | |
| 34 x 10 x 6" | ECT-32 Single Wall Corrugated | 10/300 | 2.69 | 2.54 | 2.39 | 2.24 | 2.09 | |
| 34 x 21 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 9.49 | 8.96 | 8.44 | 7.91 | 7.38 | |
| 34 x 34 x 34" | ECT-32 Single Wall Corrugated | 5/120 | 17.51 | 16.54 | 15.56 | 14.59 | 13.62 | |