| 27 x 14 x 9" | ECT-32 Single Wall Corrugated | 20/240 | $2.53 | $2.44 | $2.34 | $2.25 | $2.15 | |
| 27 x 27 x 27" | ECT-32 Single Wall Corrugated | 5/120 | 8.73 | 8.40 | 8.07 | 7.74 | 7.41 | |
| 28 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/625 | 1.76 | 1.69 | 1.62 | 1.56 | 1.49 | |
| 28 x 5 x 24" | FOL | 10/120 | 3.79 | 3.65 | 3.51 | 3.37 | 3.22 | |
| 28 x 5 x 38" | FOL | 20/120 | 6.77 | 6.51 | 6.26 | 6.00 | 5.75 | |
| 28 x 6 x 6" | ECT-32 Single Wall Corrugated | 20/240 | 1.41 | 1.36 | 1.30 | 1.25 | 1.20 | |
| 28 x 6 x 20" | ECT-44 Single Wall Corrugated | 5/120 | 7.43 | 7.15 | 6.88 | 6.60 | 6.32 | |
| 28 x 6 x 52" | FOL | 5/120 | 12.09 | 11.64 | 11.18 | 10.73 | 10.27 | |
| 28 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.75 | 1.68 | 1.62 | 1.55 | 1.48 | |
| 28 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/300 | 2.08 | 2.00 | 1.92 | 1.84 | 1.77 | |
| 28 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/300 | 2.17 | 2.09 | 2.01 | 1.93 | 1.85 | |
| 28 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/300 | 3.52 | 3.39 | 3.26 | 3.12 | 2.99 | |
| 28 x 12 x 12" | ECT-32 Single Wall Corrugated | 20/240 | 2.58 | 2.48 | 2.38 | 2.29 | 2.19 | |
| 28 x 14 x 14" | ECT-32 Single Wall Corrugated | 20/120 | 3.77 | 3.62 | 3.48 | 3.34 | 3.20 | |
| 28 x 16 x 5" | ECT-32 Single Wall Corrugated | 25/300 | 4.29 | 4.13 | 3.97 | 3.81 | 3.64 | |
| 28 x 16 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 2.96 | 2.85 | 2.74 | 2.63 | 2.52 | |
| 28 x 16 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 3.12 | 3.00 | 2.89 | 2.77 | 2.65 | |
| 28 x 16 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 3.22 | 3.10 | 2.98 | 2.86 | 2.74 | |
| 28 x 16 x 14" | ECT-32 Single Wall Corrugated | 15/120 | 3.54 | 3.41 | 3.28 | 3.15 | 3.01 | |
| 28 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 2.68 | 2.58 | 2.48 | 2.37 | 2.27 | |
| 28 x 18 x 6" | ECT-32 Single Wall Corrugated | 20/140 | 5.56 | 5.35 | 5.14 | 4.93 | 4.73 | |
| 28 x 18 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 4.48 | 4.31 | 4.14 | 3.98 | 3.81 | |
| 28 x 18 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 4.79 | 4.61 | 4.43 | 4.25 | 4.07 | |
| 28 x 18 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 3.73 | 3.59 | 3.45 | 3.31 | 3.17 | |
| 28 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/150 | 4.40 | 4.23 | 4.07 | 3.90 | 3.74 | |
| 28 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 11.38 | 10.95 | 10.52 | 10.09 | 9.66 | |
| 28 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.03 | 5.80 | 5.58 | 5.35 | 5.12 | |
| 28 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.21 | 4.05 | 3.90 | 3.74 | 3.58 | |
| 28 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 5.03 | 4.84 | 4.65 | 4.46 | 4.28 | |
| 28 x 20 x 24" | 22,20,18,16,14" | 10/120 | 5.87 | 5.65 | 5.43 | 5.21 | 4.99 | |
| 28 x 20 x 25" | ECT-32 Single Wall Corrugated | 10/120 | 5.71 | 5.50 | 5.28 | 5.07 | 4.85 | |
| 28 x 24 x 6" | ECT-32 Single Wall Corrugated | 10/240 | 4.52 | 4.35 | 4.18 | 4.01 | 3.84 | |
| 28 x 24 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 11.37 | 10.94 | 10.51 | 10.08 | 9.66 | |
| 28 x 28 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 5.72 | 5.51 | 5.29 | 5.08 | 4.86 | |
| 28 x 28 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 10.17 | 9.79 | 9.40 | 9.02 | 8.64 | |
| 28 x 28 x 10" | ECT-32 Single Wall Corrugated | 10/150 | 10.83 | 10.42 | 10.01 | 9.61 | 9.20 | |
| 28 x 28 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 6.51 | 6.27 | 6.02 | 5.78 | 5.53 | |
| 28 x 28 x 12" | ECT-48 Double Wall Corrugated | 10/90 | 20.57 | 19.80 | 19.02 | 18.25 | 17.48 | |
| 28 x 28 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 8.31 | 8.00 | 7.68 | 7.37 | 7.06 | |
| 28 x 28 x 22" | ECT-32 Single Wall Corrugated | 10/150 | 12.45 | 11.98 | 11.51 | 11.05 | 10.58 | |
| 28 x 28 x 28" | ECT-32 Single Wall Corrugated | 5/120 | 9.62 | 9.26 | 8.90 | 8.54 | 8.17 | |
| 28 x 28 x 28" | ECT-48 Double Wall Corrugated | 5/90 | 21.36 | 20.56 | 19.75 | 18.95 | 18.15 | |
| 29 x 17 x 3" | ECT-32 Single Wall Corrugated | 25/300 | 4.82 | 4.64 | 4.46 | 4.27 | 4.09 | |
| 29 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 2.95 | 2.83 | 2.72 | 2.61 | 2.50 | |
| 29 x 17 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 5.56 | 5.35 | 5.14 | 4.93 | 4.73 | |
| 29 x 17 x 9" | ECT-32 Single Wall Corrugated | 15/150 | 3.20 | 3.08 | 2.96 | 2.84 | 2.72 | |
| 29 x 17 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 3.98 | 3.83 | 3.68 | 3.53 | 3.38 | |
| 29 x 17 x 15" | ECT-32 Single Wall Corrugated | 15/150 | 3.94 | 3.80 | 3.65 | 3.50 | 3.35 | |
| 29 x 17 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 4.94 | 4.75 | 4.56 | 4.38 | 4.19 | |
| 29 x 24 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 13.43 | 12.93 | 12.42 | 11.92 | 11.41 | |
| 30 x 5 x 24" | FOL | 10/120 | 3.47 | 3.34 | 3.21 | 3.08 | 2.95 | |
| 30 x 5 x 30" | FOL | 10/120 | 4.15 | 3.99 | 3.84 | 3.68 | 3.52 | |
| 30 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/375 | 1.38 | 1.33 | 1.28 | 1.22 | 1.17 | |
| 30 x 6 x 24" | ECT-44 Corrugated | 10/140 | 8.79 | 8.46 | 8.13 | 7.80 | 7.47 | |
| 30 x 6 x 24" | Inside Telescopic HSC | 10/150 | 5.31 | 5.11 | 4.91 | 4.71 | 4.51 | |
| 30 x 6 x 30" | ECT-44 Corrugated | 10/120 | 10.27 | 9.89 | 9.50 | 9.11 | 8.73 | |
| 30 x 6 x 40" | ECT-44 Corrugated | 10/140 | 12.69 | 12.21 | 11.74 | 11.26 | 10.78 | |
| 30 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.78 | 1.72 | 1.65 | 1.58 | 1.51 | |
| 30 x 10 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 2.60 | 2.50 | 2.40 | 2.30 | 2.21 | |
| 30 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/375 | 3.40 | 3.27 | 3.15 | 3.02 | 2.89 | |
| 30 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 3.53 | 3.40 | 3.27 | 3.13 | 3.00 | |
| 30 x 12 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 2.95 | 2.84 | 2.73 | 2.62 | 2.51 | |
| 30 x 13 x 13" | ECT-32 Single Wall Corrugated | 20/240 | 4.93 | 4.75 | 4.56 | 4.38 | 4.19 | |
| 30 x 14 x 7" | ECT-32 Single Wall Corrugated | 10/120 | 2.51 | 2.42 | 2.32 | 2.23 | 2.13 | |
| 30 x 14 x 10" | ECT-32 Single Wall Corrugated | 10/120 | 2.96 | 2.85 | 2.74 | 2.62 | 2.51 | |
| 30 x 15 x 15" | ECT-32 Single Wall Corrugated | 15/120 | 3.62 | 3.49 | 3.35 | 3.21 | 3.08 | |
| 30 x 15 x 15" | ECT-48 Double Wall Corrugated | 10/90 | 10.21 | 9.83 | 9.44 | 9.06 | 8.68 | |
| 30 x 17 x 16" | ECT-32 Single Wall Corrugated | 15/150 | 4.15 | 3.99 | 3.84 | 3.68 | 3.52 | |
| 30 x 17 x 16" | 14,12,10" | 15/150 | 4.15 | 4.00 | 3.84 | 3.68 | 3.53 | |
| 30 x 17 x 17" | ECT-51 Double Wall Corrugated | 5/75 | 7.47 | 7.19 | 6.91 | 6.63 | 6.35 | |
| 30 x 18 x 16" | ECT-32 Corrugated | 15/150 | 7.07 | 6.80 | 6.53 | 6.27 | 6.00 | |
| 30 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/120 | 4.82 | 4.64 | 4.46 | 4.28 | 4.10 | |
| 30 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 12.91 | 12.42 | 11.94 | 11.45 | 10.97 | |
| 30 x 20 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 3.49 | 3.36 | 3.23 | 3.10 | 2.97 | |
| 30 x 20 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 5.98 | 5.75 | 5.53 | 5.30 | 5.08 | |
| 30 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 4.16 | 4.00 | 3.84 | 3.69 | 3.53 | |
| 30 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.35 | 4.18 | 4.02 | 3.86 | 3.69 | |
| 30 x 20 x 18" | ECT-32 Single Wall Corrugated | 15/150 | 8.20 | 7.90 | 7.59 | 7.28 | 6.97 | |
| 30 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 5.33 | 5.13 | 4.93 | 4.73 | 4.53 | |
| 30 x 20 x 20" | ECT-44 - 18,16,14,12" | 10/120 | 7.54 | 7.25 | 6.97 | 6.69 | 6.40 | |
| 30 x 20 x 20" | ECT-48 Double Wall Corrugated | 10/70 | 8.79 | 8.46 | 8.13 | 7.80 | 7.47 | |
| 30 x 24 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.19 | 5.96 | 5.72 | 5.49 | 5.26 | |
| 30 x 24 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 5.42 | 5.21 | 5.01 | 4.81 | 4.60 | |
| 30 x 24 x 12" | 10,8,6,4" | 15/120 | 7.30 | 7.02 | 6.75 | 6.48 | 6.20 | |
| 30 x 24 x 12" | ECT-48 Double Wall Corrugated | 10/70 | 8.20 | 7.89 | 7.59 | 7.28 | 6.97 | |
| 30 x 24 x 20" | ECT-32 Single Wall Corrugated | 15/150 | 8.82 | 8.49 | 8.16 | 7.83 | 7.50 | |
| 30 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 11.06 | 10.64 | 10.23 | 9.81 | 9.40 | |
| 30 x 26 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 10.78 | 10.38 | 9.97 | 9.56 | 9.16 | |
| 30 x 30 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 7.43 | 7.15 | 6.87 | 6.59 | 6.31 | |
| 30 x 30 x 8" | ECT-32 Single Wall Corrugated | 10/120 | 6.65 | 6.40 | 6.15 | 5.90 | 5.65 | |
| 30 x 30 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 7.30 | 7.02 | 6.75 | 6.47 | 6.20 | |
| 30 x 30 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 8.81 | 8.48 | 8.15 | 7.82 | 7.49 | |
| 30 x 30 x 12" | ECT-48 Double Wall Corrugated | 5/75 | 15.49 | 14.91 | 14.33 | 13.75 | 13.16 | |
| 30 x 30 x 16" | ECT-32 Single Wall Corrugated | 10/120 | 7.80 | 7.51 | 7.21 | 6.92 | 6.63 | |
| 30 x 30 x 16" | ECT-48 Double Wall Corrugated | 5/90 | 16.44 | 15.83 | 15.21 | 14.59 | 13.97 | |
| 30 x 30 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 14.53 | 13.98 | 13.43 | 12.89 | 12.34 | |
| 30 x 30 x 20" | ECT-48 Double Wall Corrugated | 5/90 | 18.53 | 17.84 | 17.14 | 16.44 | 15.75 | |
| 30 x 30 x 25" | ECT-32 Single Wall Corrugated | 5/120 | 9.36 | 9.00 | 8.65 | 8.30 | 7.95 | |
| 30 x 30 x 30" | ECT-32 Single Wall Corrugated | 5/120 | 10.18 | 9.80 | 9.41 | 9.03 | 8.65 | |
| 30 x 30 x 30" | ECT-48 Double Wall Corrugated | 5/75 | 16.34 | 15.73 | 15.11 | 14.50 | 13.88 | |
| 30 x 30 x 30" | ECT-90 Triple Wall Corrugated | 5/30 | 49.89 | 48.01 | 46.14 | 44.26 | 42.39 | |
| 30 1/2 x 6 1/2 x 24" | Outside Telescopic HSC | 10/150 | 5.55 | 5.34 | 5.13 | 4.92 | 4.71 | |
| 31 x 16 x 9" | ECT-32 Corrugated | 10/120 | 5.12 | 4.93 | 4.74 | 4.54 | 4.35 | |
| 32 x 6 x 6" | ECT-32 Corrugated | 25/375 | 1.67 | 1.61 | 1.55 | 1.49 | 1.42 | |
| 32 x 8 x 8" | ECT-32 Corrugated | 25/375 | 1.74 | 1.68 | 1.61 | 1.54 | 1.48 | |
| 32 x 10 x 6 1/2" | ECT-32 Corrugated | 20/240 | 3.27 | 3.15 | 3.02 | 2.90 | 2.78 | |
| 32 x 10 x 10" | ECT-32 Corrugated | 20/240 | 3.69 | 3.55 | 3.42 | 3.28 | 3.14 | |
| 32 x 12 x 10" | ECT-32 Corrugated | 20/240 | 2.71 | 2.61 | 2.51 | 2.41 | 2.31 | |
| 32 x 12 x 12" | ECT-32 Corrugated | 20/240 | 2.85 | 2.74 | 2.64 | 2.53 | 2.42 | |
| 32 x 16 x 16" | ECT-32 Corrugated | 15/150 | 6.94 | 6.67 | 6.41 | 6.15 | 5.89 | |
| 32 x 18 x 8" | ECT-32 Corrugated | 15/150 | 3.71 | 3.57 | 3.43 | 3.29 | 3.15 | |
| 32 x 18 x 12" | ECT-32 Corrugated | 15/150 | 4.02 | 3.87 | 3.72 | 3.56 | 3.41 | |
| 32 x 18 x 18" | ECT-32 Corrugated | 15/150 | 5.93 | 5.70 | 5.48 | 5.26 | 5.03 | |
| 32 x 24 x 24" | ECT-32 Corrugated | 15/150 | 10.21 | 9.83 | 9.44 | 9.06 | 8.68 | |
| 32 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 10.31 | 9.93 | 9.54 | 9.15 | 8.76 | |
| 32 x 24 x 24" | ECT-48 Double Wall Corrugated | 5/75 | 12.64 | 12.17 | 11.69 | 11.22 | 10.74 | |
| 32 x 32 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 13.84 | 13.32 | 12.80 | 12.28 | 11.76 | |
| 32 x 32 x 12" | ECT-32 Single Wall Corrugated | 10/150 | 11.29 | 10.87 | 10.45 | 10.02 | 9.60 | |
| 32 x 32 x 32" | ECT-32 Single Wall Corrugated | 5/120 | 12.07 | 11.62 | 11.16 | 10.71 | 10.26 | |
| 32 x 32 x 32" | ECT-48 Double Wall Corrugated | 5/90 | 19.97 | 19.22 | 18.46 | 17.71 | 16.96 | |
| 33 x 8 1/2 x 5" | ECT-32 Single Wall Corrugated | 25/375 | 2.37 | 2.28 | 2.20 | 2.11 | 2.02 | |
| 34 x 10 x 6" | ECT-32 Single Wall Corrugated | 10/300 | 2.08 | 2.01 | 1.93 | 1.85 | 1.77 | |
| 34 x 21 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 7.43 | 7.15 | 6.88 | 6.60 | 6.32 | |
| 34 x 34 x 34" | ECT-32 Single Wall Corrugated | 5/120 | 13.71 | 13.20 | 12.68 | 12.17 | 11.65 | |