| 27 x 14 x 9" | ECT-32 Single Wall Corrugated | 20/240 | $4.05 | $3.85 | $3.64 | $3.54 | $3.44 | |
| 27 x 27 x 27" | ECT-32 Single Wall Corrugated | 5/120 | 12.38 | 11.76 | 11.14 | 10.83 | 10.52 | |
| 28 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/625 | 2.59 | 2.46 | 2.33 | 2.26 | 2.20 | |
| 28 x 5 x 24" | FOL | 10/120 | 6.55 | 6.22 | 5.90 | 5.73 | 5.57 | |
| 28 x 5 x 38" | FOL | 20/120 | 9.22 | 8.76 | 8.30 | 8.07 | 7.84 | |
| 28 x 6 x 6" | ECT-32 Single Wall Corrugated | 20/240 | 1.91 | 1.81 | 1.72 | 1.67 | 1.62 | |
| 28 x 6 x 20" | ECT-44 Single Wall Corrugated | 5/120 | 11.60 | 11.02 | 10.44 | 10.15 | 9.86 | |
| 28 x 6 x 52" | FOL | 5/120 | 17.15 | 16.29 | 15.44 | 15.01 | 14.58 | |
| 28 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 2.25 | 2.13 | 2.02 | 1.97 | 1.91 | |
| 28 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/300 | 3.26 | 3.10 | 2.94 | 2.86 | 2.78 | |
| 28 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/300 | 2.95 | 2.80 | 2.65 | 2.58 | 2.50 | |
| 28 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/300 | 5.00 | 4.75 | 4.50 | 4.38 | 4.25 | |
| 28 x 12 x 12" | ECT-32 Single Wall Corrugated | 20/240 | 3.69 | 3.50 | 3.32 | 3.23 | 3.14 | |
| 28 x 14 x 14" | ECT-32 Single Wall Corrugated | 20/120 | 4.77 | 4.53 | 4.29 | 4.17 | 4.05 | |
| 28 x 16 x 5" | ECT-32 Single Wall Corrugated | 25/300 | 6.08 | 5.78 | 5.48 | 5.32 | 5.17 | |
| 28 x 16 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 4.05 | 3.85 | 3.64 | 3.54 | 3.44 | |
| 28 x 16 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 3.77 | 3.58 | 3.40 | 3.30 | 3.21 | |
| 28 x 16 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 4.92 | 4.67 | 4.43 | 4.30 | 4.18 | |
| 28 x 16 x 14" | ECT-32 Single Wall Corrugated | 15/120 | 5.66 | 5.38 | 5.09 | 4.95 | 4.81 | |
| 28 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 3.90 | 3.71 | 3.51 | 3.41 | 3.32 | |
| 28 x 18 x 6" | ECT-32 Single Wall Corrugated | 20/140 | 7.72 | 7.33 | 6.95 | 6.75 | 6.56 | |
| 28 x 18 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 6.36 | 6.04 | 5.72 | 5.57 | 5.41 | |
| 28 x 18 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.78 | 6.44 | 6.11 | 5.94 | 5.77 | |
| 28 x 18 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 5.30 | 5.04 | 4.77 | 4.64 | 4.51 | |
| 28 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/150 | 6.49 | 6.16 | 5.84 | 5.68 | 5.51 | |
| 28 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 16.13 | 15.33 | 14.52 | 14.12 | 13.71 | |
| 28 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 8.56 | 8.14 | 7.71 | 7.49 | 7.28 | |
| 28 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 5.98 | 5.68 | 5.38 | 5.23 | 5.08 | |
| 28 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 7.14 | 6.79 | 6.43 | 6.25 | 6.07 | |
| 28 x 20 x 24" | 22,20,18,16,14" | 10/120 | 7.31 | 6.95 | 6.58 | 6.40 | 6.22 | |
| 28 x 20 x 25" | ECT-32 Single Wall Corrugated | 10/120 | 8.99 | 8.54 | 8.09 | 7.87 | 7.64 | |
| 28 x 24 x 6" | ECT-32 Single Wall Corrugated | 10/240 | 6.15 | 5.84 | 5.53 | 5.38 | 5.23 | |
| 28 x 24 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 16.13 | 15.33 | 14.52 | 14.12 | 13.71 | |
| 28 x 28 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 8.97 | 8.52 | 8.07 | 7.85 | 7.62 | |
| 28 x 28 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 16.22 | 15.41 | 14.60 | 14.19 | 13.79 | |
| 28 x 28 x 10" | ECT-32 Single Wall Corrugated | 10/150 | 15.37 | 14.60 | 13.83 | 13.45 | 13.06 | |
| 28 x 28 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 9.71 | 9.22 | 8.74 | 8.50 | 8.25 | |
| 28 x 28 x 12" | ECT-48 Double Wall Corrugated | 10/90 | 29.17 | 27.71 | 26.25 | 25.52 | 24.80 | |
| 28 x 28 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 11.60 | 11.02 | 10.44 | 10.15 | 9.86 | |
| 28 x 28 x 22" | ECT-32 Single Wall Corrugated | 10/150 | 17.66 | 16.78 | 15.89 | 15.45 | 15.01 | |
| 28 x 28 x 28" | ECT-32 Single Wall Corrugated | 5/120 | 13.36 | 12.69 | 12.02 | 11.69 | 11.35 | |
| 28 x 28 x 28" | ECT-48 Double Wall Corrugated | 5/90 | 30.29 | 28.78 | 27.27 | 26.51 | 25.75 | |
| 29 x 17 x 3" | ECT-32 Single Wall Corrugated | 25/300 | 6.32 | 6.00 | 5.69 | 5.53 | 5.37 | |
| 29 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 4.18 | 3.97 | 3.76 | 3.65 | 3.55 | |
| 29 x 17 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 7.34 | 6.97 | 6.60 | 6.42 | 6.23 | |
| 29 x 17 x 9" | ECT-32 Single Wall Corrugated | 15/150 | 4.75 | 4.51 | 4.27 | 4.16 | 4.04 | |
| 29 x 17 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 5.64 | 5.36 | 5.08 | 4.93 | 4.79 | |
| 29 x 17 x 15" | ECT-32 Single Wall Corrugated | 15/150 | 6.00 | 5.70 | 5.40 | 5.25 | 5.10 | |
| 29 x 17 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 7.38 | 7.01 | 6.64 | 6.46 | 6.27 | |
| 29 x 24 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 19.06 | 18.11 | 17.15 | 16.68 | 16.20 | |
| 30 x 5 x 24" | FOL | 10/120 | 5.11 | 4.85 | 4.60 | 4.47 | 4.34 | |
| 30 x 5 x 30" | FOL | 10/120 | 5.00 | 4.75 | 4.50 | 4.38 | 4.25 | |
| 30 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/375 | 2.01 | 1.91 | 1.81 | 1.76 | 1.71 | |
| 30 x 6 x 24" | ECT-44 Corrugated | 10/140 | 12.47 | 11.84 | 11.22 | 10.91 | 10.60 | |
| 30 x 6 x 24" | Inside Telescopic HSC | 10/150 | 7.84 | 7.45 | 7.06 | 6.86 | 6.67 | |
| 30 x 6 x 30" | ECT-44 Corrugated | 10/120 | 14.56 | 13.84 | 13.11 | 12.74 | 12.38 | |
| 30 x 6 x 40" | ECT-44 Corrugated | 10/140 | 18.00 | 17.10 | 16.20 | 15.75 | 15.30 | |
| 30 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 2.71 | 2.58 | 2.44 | 2.37 | 2.31 | |
| 30 x 10 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 3.46 | 3.28 | 3.11 | 3.02 | 2.94 | |
| 30 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/375 | 5.02 | 4.77 | 4.52 | 4.40 | 4.27 | |
| 30 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 5.00 | 4.75 | 4.50 | 4.38 | 4.25 | |
| 30 x 12 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 3.77 | 3.58 | 3.40 | 3.30 | 3.21 | |
| 30 x 13 x 13" | ECT-32 Single Wall Corrugated | 20/240 | 7.00 | 6.65 | 6.30 | 6.12 | 5.95 | |
| 30 x 14 x 7" | ECT-32 Single Wall Corrugated | 10/120 | 3.60 | 3.42 | 3.24 | 3.15 | 3.06 | |
| 30 x 14 x 10" | ECT-32 Single Wall Corrugated | 10/120 | 4.07 | 3.87 | 3.66 | 3.56 | 3.46 | |
| 30 x 15 x 15" | ECT-32 Single Wall Corrugated | 15/120 | 5.43 | 5.16 | 4.88 | 4.75 | 4.61 | |
| 30 x 15 x 15" | ECT-48 Double Wall Corrugated | 10/90 | 14.48 | 13.76 | 13.03 | 12.67 | 12.31 | |
| 30 x 17 x 16" | ECT-32 Single Wall Corrugated | 15/150 | 5.89 | 5.60 | 5.30 | 5.16 | 5.01 | |
| 30 x 17 x 16" | 14,12,10" | 15/150 | 6.59 | 6.26 | 5.93 | 5.77 | 5.60 | |
| 30 x 17 x 17" | ECT-51 Double Wall Corrugated | 5/75 | 11.51 | 10.94 | 10.36 | 10.07 | 9.78 | |
| 30 x 18 x 16" | ECT-32 Corrugated | 15/150 | 10.56 | 10.03 | 9.50 | 9.24 | 8.97 | |
| 30 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/120 | 6.38 | 6.06 | 5.74 | 5.58 | 5.42 | |
| 30 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 18.32 | 17.40 | 16.49 | 16.03 | 15.57 | |
| 30 x 20 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 4.96 | 4.71 | 4.46 | 4.34 | 4.22 | |
| 30 x 20 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 7.87 | 7.47 | 7.08 | 6.88 | 6.69 | |
| 30 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.38 | 6.06 | 5.74 | 5.58 | 5.42 | |
| 30 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 6.57 | 6.24 | 5.91 | 5.75 | 5.59 | |
| 30 x 20 x 18" | ECT-32 Single Wall Corrugated | 15/150 | 11.64 | 11.06 | 10.47 | 10.18 | 9.89 | |
| 30 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 7.65 | 7.27 | 6.89 | 6.70 | 6.51 | |
| 30 x 20 x 20" | ECT-44 - 18,16,14,12" | 10/120 | 10.68 | 10.15 | 9.62 | 9.35 | 9.08 | |
| 30 x 20 x 20" | ECT-48 Double Wall Corrugated | 10/70 | 11.53 | 10.96 | 10.38 | 10.09 | 9.80 | |
| 30 x 24 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 9.07 | 8.62 | 8.17 | 7.94 | 7.71 | |
| 30 x 24 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 8.63 | 8.20 | 7.77 | 7.55 | 7.33 | |
| 30 x 24 x 12" | 10,8,6,4" | 15/120 | 10.56 | 10.03 | 9.50 | 9.24 | 8.97 | |
| 30 x 24 x 12" | ECT-48 Double Wall Corrugated | 10/70 | 12.80 | 12.16 | 11.52 | 11.20 | 10.88 | |
| 30 x 24 x 20" | ECT-32 Single Wall Corrugated | 15/150 | 12.72 | 12.08 | 11.45 | 11.13 | 10.81 | |
| 30 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 13.19 | 12.53 | 11.87 | 11.54 | 11.21 | |
| 30 x 26 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 20.33 | 19.31 | 18.30 | 17.79 | 17.28 | |
| 30 x 30 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 10.54 | 10.01 | 9.48 | 9.22 | 8.96 | |
| 30 x 30 x 8" | ECT-32 Single Wall Corrugated | 10/120 | 9.24 | 8.78 | 8.32 | 8.09 | 7.86 | |
| 30 x 30 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 8.46 | 8.04 | 7.61 | 7.40 | 7.19 | |
| 30 x 30 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 12.51 | 11.88 | 11.26 | 10.94 | 10.63 | |
| 30 x 30 x 12" | ECT-48 Double Wall Corrugated | 5/75 | 21.98 | 20.89 | 19.79 | 19.24 | 18.69 | |
| 30 x 30 x 16" | ECT-32 Single Wall Corrugated | 10/120 | 11.17 | 10.61 | 10.06 | 9.78 | 9.50 | |
| 30 x 30 x 16" | ECT-48 Double Wall Corrugated | 5/90 | 23.32 | 22.15 | 20.99 | 20.41 | 19.82 | |
| 30 x 30 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 20.61 | 19.58 | 18.55 | 18.03 | 17.52 | |
| 30 x 30 x 20" | ECT-48 Double Wall Corrugated | 5/90 | 26.29 | 24.97 | 23.66 | 23.00 | 22.34 | |
| 30 x 30 x 25" | ECT-32 Single Wall Corrugated | 5/120 | 13.27 | 12.61 | 11.94 | 11.61 | 11.28 | |
| 30 x 30 x 30" | ECT-32 Single Wall Corrugated | 5/120 | 15.86 | 15.06 | 14.27 | 13.88 | 13.48 | |
| 30 x 30 x 30" | ECT-48 Double Wall Corrugated | 5/75 | 25.08 | 23.83 | 22.57 | 21.94 | 21.32 | |
| 30 x 30 x 30" | ECT-90 Triple Wall Corrugated | 5/30 | 70.79 | 67.25 | 63.71 | 61.94 | 60.17 | |
| 30 1/2 x 6 1/2 x 24" | Outside Telescopic HSC | 10/150 | 8.20 | 7.79 | 7.38 | 7.18 | 6.97 | |
| 31 x 16 x 9" | ECT-32 Corrugated | 10/120 | 7.27 | 6.91 | 6.54 | 6.36 | 6.18 | |
| 32 x 6 x 6" | ECT-32 Corrugated | 25/375 | 2.06 | 1.95 | 1.85 | 1.80 | 1.75 | |
| 32 x 8 x 8" | ECT-32 Corrugated | 25/375 | 2.78 | 2.64 | 2.50 | 2.43 | 2.36 | |
| 32 x 10 x 6 1/2" | ECT-32 Corrugated | 20/240 | 4.58 | 4.35 | 4.12 | 4.01 | 3.89 | |
| 32 x 10 x 10" | ECT-32 Corrugated | 20/240 | 5.24 | 4.97 | 4.71 | 4.58 | 4.45 | |
| 32 x 12 x 10" | ECT-32 Corrugated | 20/240 | 2.95 | 2.80 | 2.65 | 2.58 | 2.50 | |
| 32 x 12 x 12" | ECT-32 Corrugated | 20/240 | 4.07 | 3.87 | 3.66 | 3.56 | 3.46 | |
| 32 x 16 x 16" | ECT-32 Corrugated | 15/150 | 9.86 | 9.37 | 8.87 | 8.63 | 8.38 | |
| 32 x 18 x 8" | ECT-32 Corrugated | 15/150 | 5.36 | 5.10 | 4.83 | 4.69 | 4.56 | |
| 32 x 18 x 12" | ECT-32 Corrugated | 15/150 | 4.54 | 4.31 | 4.08 | 3.97 | 3.86 | |
| 32 x 18 x 18" | ECT-32 Corrugated | 15/150 | 8.40 | 7.98 | 7.56 | 7.35 | 7.14 | |
| 32 x 24 x 24" | ECT-32 Corrugated | 15/150 | 14.48 | 13.76 | 13.03 | 12.67 | 12.31 | |
| 32 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 14.35 | 13.63 | 12.92 | 12.56 | 12.20 | |
| 32 x 24 x 24" | ECT-48 Double Wall Corrugated | 5/75 | 17.94 | 17.04 | 16.14 | 15.69 | 15.24 | |
| 32 x 32 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 19.63 | 18.65 | 17.67 | 17.18 | 16.69 | |
| 32 x 32 x 12" | ECT-32 Single Wall Corrugated | 10/150 | 16.03 | 15.23 | 14.42 | 14.02 | 13.62 | |
| 32 x 32 x 32" | ECT-32 Single Wall Corrugated | 5/120 | 17.13 | 16.27 | 15.42 | 14.99 | 14.56 | |
| 32 x 32 x 32" | ECT-48 Double Wall Corrugated | 5/90 | 27.20 | 25.84 | 24.48 | 23.80 | 23.12 | |
| 33 x 8 1/2 x 5" | ECT-32 Single Wall Corrugated | 25/375 | 3.37 | 3.20 | 3.03 | 2.95 | 2.87 | |
| 34 x 10 x 6" | ECT-32 Single Wall Corrugated | 10/300 | 2.99 | 2.84 | 2.69 | 2.62 | 2.54 | |
| 34 x 21 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 10.54 | 10.01 | 9.48 | 9.22 | 8.96 | |
| 34 x 34 x 34" | ECT-32 Single Wall Corrugated | 5/120 | 19.46 | 18.49 | 17.52 | 17.03 | 16.54 | |