| 27 x 14 x 9" | ECT-32 Single Wall Corrugated | 20/240 | $3.16 | $3.12 | $3.10 | $3.08 | $3.06 | |
| 27 x 27 x 27" | ECT-32 Single Wall Corrugated | 5/120 | 10.24 | 10.10 | 10.03 | 9.96 | 9.90 | |
| 28 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/625 | 2.06 | 2.03 | 2.02 | 2.01 | 1.99 | |
| 28 x 5 x 24" | FOL | 10/120 | 5.42 | 5.35 | 5.31 | 5.27 | 5.24 | |
| 28 x 5 x 38" | FOL | 20/120 | 7.62 | 7.52 | 7.47 | 7.41 | 7.36 | |
| 28 x 6 x 6" | ECT-32 Single Wall Corrugated | 20/240 | 1.63 | 1.61 | 1.60 | 1.59 | 1.58 | |
| 28 x 6 x 20" | ECT-44 Single Wall Corrugated | 5/120 | 9.41 | 9.28 | 9.22 | 9.16 | 9.09 | |
| 28 x 6 x 52" | FOL | 5/120 | 14.18 | 13.99 | 13.90 | 13.80 | 13.71 | |
| 28 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.88 | 1.85 | 1.84 | 1.83 | 1.81 | |
| 28 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/300 | 2.70 | 2.66 | 2.65 | 2.63 | 2.61 | |
| 28 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/300 | 2.39 | 2.36 | 2.35 | 2.33 | 2.31 | |
| 28 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/300 | 4.13 | 4.08 | 4.05 | 4.02 | 3.99 | |
| 28 x 12 x 12" | ECT-32 Single Wall Corrugated | 20/240 | 3.11 | 3.07 | 3.05 | 3.03 | 3.01 | |
| 28 x 14 x 14" | ECT-32 Single Wall Corrugated | 20/120 | 3.94 | 3.89 | 3.86 | 3.84 | 3.81 | |
| 28 x 16 x 5" | ECT-32 Single Wall Corrugated | 25/300 | 5.03 | 4.96 | 4.93 | 4.90 | 4.86 | |
| 28 x 16 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 3.47 | 3.42 | 3.40 | 3.38 | 3.35 | |
| 28 x 16 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 3.77 | 3.72 | 3.70 | 3.67 | 3.65 | |
| 28 x 16 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 4.07 | 4.02 | 3.99 | 3.96 | 3.94 | |
| 28 x 16 x 14" | ECT-32 Single Wall Corrugated | 15/120 | 4.62 | 4.56 | 4.53 | 4.50 | 4.47 | |
| 28 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 3.22 | 3.18 | 3.16 | 3.14 | 3.11 | |
| 28 x 18 x 6" | ECT-32 Single Wall Corrugated | 20/140 | 6.37 | 6.29 | 6.24 | 6.20 | 6.16 | |
| 28 x 18 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 5.26 | 5.19 | 5.15 | 5.12 | 5.08 | |
| 28 x 18 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.62 | 5.54 | 5.51 | 5.47 | 5.43 | |
| 28 x 18 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 4.38 | 4.32 | 4.29 | 4.26 | 4.23 | |
| 28 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/150 | 4.78 | 4.72 | 4.69 | 4.66 | 4.62 | |
| 28 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 13.34 | 13.16 | 13.08 | 12.99 | 12.90 | |
| 28 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.94 | 6.85 | 6.80 | 6.75 | 6.71 | |
| 28 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.94 | 4.88 | 4.84 | 4.81 | 4.78 | |
| 28 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 5.90 | 5.82 | 5.78 | 5.75 | 5.71 | |
| 28 x 20 x 24" | 22,20,18,16,14" | 10/120 | 10.86 | 10.71 | 10.64 | 10.57 | 10.50 | |
| 28 x 20 x 25" | ECT-32 Single Wall Corrugated | 10/120 | 7.42 | 7.32 | 7.27 | 7.23 | 7.18 | |
| 28 x 24 x 6" | ECT-32 Single Wall Corrugated | 10/240 | 5.22 | 5.15 | 5.12 | 5.08 | 5.05 | |
| 28 x 24 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 13.33 | 13.15 | 13.06 | 12.98 | 12.89 | |
| 28 x 28 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 6.81 | 6.72 | 6.67 | 6.63 | 6.58 | |
| 28 x 28 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 13.15 | 12.97 | 12.88 | 12.80 | 12.71 | |
| 28 x 28 x 10" | ECT-32 Single Wall Corrugated | 10/150 | 12.70 | 12.53 | 12.45 | 12.36 | 12.28 | |
| 28 x 28 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 7.64 | 7.54 | 7.49 | 7.43 | 7.38 | |
| 28 x 28 x 12" | ECT-48 Double Wall Corrugated | 10/90 | 24.13 | 23.80 | 23.64 | 23.48 | 23.32 | |
| 28 x 28 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 9.54 | 9.42 | 9.35 | 9.29 | 9.23 | |
| 28 x 28 x 22" | ECT-32 Single Wall Corrugated | 10/150 | 14.33 | 14.13 | 14.04 | 13.94 | 13.85 | |
| 28 x 28 x 28" | ECT-32 Single Wall Corrugated | 5/120 | 11.04 | 10.89 | 10.82 | 10.75 | 10.67 | |
| 28 x 28 x 28" | ECT-48 Double Wall Corrugated | 5/90 | 25.05 | 24.72 | 24.55 | 24.38 | 24.22 | |
| 29 x 17 x 3" | ECT-32 Single Wall Corrugated | 25/300 | 5.21 | 5.15 | 5.11 | 5.08 | 5.04 | |
| 29 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 3.45 | 3.41 | 3.39 | 3.36 | 3.34 | |
| 29 x 17 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 5.95 | 5.87 | 5.83 | 5.79 | 5.75 | |
| 29 x 17 x 9" | ECT-32 Single Wall Corrugated | 15/150 | 3.92 | 3.87 | 3.85 | 3.82 | 3.79 | |
| 29 x 17 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.64 | 4.58 | 4.55 | 4.52 | 4.49 | |
| 29 x 17 x 15" | ECT-32 Single Wall Corrugated | 15/150 | 4.96 | 4.90 | 4.86 | 4.83 | 4.80 | |
| 29 x 17 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 6.11 | 6.03 | 5.99 | 5.95 | 5.90 | |
| 29 x 24 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 15.76 | 15.55 | 15.44 | 15.34 | 15.23 | |
| 30 x 5 x 24" | FOL | 10/120 | 4.02 | 3.96 | 3.94 | 3.91 | 3.88 | |
| 30 x 5 x 30" | FOL | 10/120 | 4.76 | 4.70 | 4.66 | 4.63 | 4.60 | |
| 30 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/375 | 1.70 | 1.67 | 1.66 | 1.65 | 1.64 | |
| 30 x 6 x 24" | ECT-44 Corrugated | 10/140 | 10.31 | 10.17 | 10.10 | 10.03 | 9.96 | |
| 30 x 6 x 30" | ECT-44 Corrugated | 10/120 | 12.05 | 11.89 | 11.81 | 11.73 | 11.65 | |
| 30 x 6 x 40" | ECT-44 Corrugated | 10/140 | 14.89 | 14.69 | 14.59 | 14.49 | 14.39 | |
| 30 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 2.09 | 2.07 | 2.05 | 2.04 | 2.03 | |
| 30 x 10 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 2.57 | 2.54 | 2.52 | 2.51 | 2.49 | |
| 30 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/375 | 4.07 | 4.02 | 3.99 | 3.96 | 3.94 | |
| 30 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 4.14 | 4.09 | 4.06 | 4.03 | 4.01 | |
| 30 x 12 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 3.24 | 3.19 | 3.17 | 3.15 | 3.13 | |
| 30 x 13 x 13" | ECT-32 Single Wall Corrugated | 20/240 | 5.79 | 5.71 | 5.67 | 5.63 | 5.60 | |
| 30 x 14 x 7" | ECT-32 Single Wall Corrugated | 10/120 | 2.97 | 2.93 | 2.91 | 2.89 | 2.87 | |
| 30 x 14 x 10" | ECT-32 Single Wall Corrugated | 10/120 | 3.43 | 3.38 | 3.36 | 3.34 | 3.31 | |
| 30 x 15 x 15" | ECT-32 Single Wall Corrugated | 15/120 | 4.48 | 4.43 | 4.40 | 4.37 | 4.34 | |
| 30 x 15 x 15" | ECT-48 Double Wall Corrugated | 10/90 | 11.98 | 11.82 | 11.74 | 11.66 | 11.58 | |
| 30 x 17 x 16" | ECT-32 Single Wall Corrugated | 15/150 | 4.87 | 4.80 | 4.77 | 4.74 | 4.70 | |
| 30 x 17 x 16" | 14,12,10" | 15/150 | 5.45 | 5.38 | 5.34 | 5.31 | 5.27 | |
| 30 x 17 x 17" | ECT-51 Double Wall Corrugated | 5/75 | 9.25 | 9.12 | 9.06 | 9.00 | 8.94 | |
| 30 x 18 x 16" | ECT-32 Corrugated | 15/150 | 8.57 | 8.45 | 8.40 | 8.34 | 8.28 | |
| 30 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/120 | 5.66 | 5.58 | 5.54 | 5.51 | 5.47 | |
| 30 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 15.14 | 14.94 | 14.84 | 14.74 | 14.64 | |
| 30 x 20 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 4.09 | 4.04 | 4.01 | 3.98 | 3.96 | |
| 30 x 20 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 6.51 | 6.42 | 6.38 | 6.33 | 6.29 | |
| 30 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 4.94 | 4.87 | 4.84 | 4.81 | 4.77 | |
| 30 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 5.44 | 5.36 | 5.33 | 5.29 | 5.25 | |
| 30 x 20 x 18" | ECT-32 Single Wall Corrugated | 15/150 | 9.62 | 9.49 | 9.43 | 9.37 | 9.30 | |
| 30 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 6.52 | 6.43 | 6.39 | 6.35 | 6.30 | |
| 30 x 20 x 20" | ECT-44 - 18,16,14,12" | 10/120 | 8.84 | 8.72 | 8.66 | 8.60 | 8.54 | |
| 30 x 20 x 20" | ECT-48 Double Wall Corrugated | 10/70 | 11.91 | 11.76 | 11.68 | 11.60 | 11.52 | |
| 30 x 24 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 7.50 | 7.40 | 7.35 | 7.30 | 7.25 | |
| 30 x 24 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 6.87 | 6.77 | 6.73 | 6.68 | 6.64 | |
| 30 x 24 x 12" | 10,8,6,4" | 15/120 | 8.56 | 8.45 | 8.39 | 8.33 | 8.28 | |
| 30 x 24 x 12" | ECT-48 Double Wall Corrugated | 10/70 | 10.99 | 10.84 | 10.77 | 10.69 | 10.62 | |
| 30 x 24 x 20" | ECT-32 Single Wall Corrugated | 15/150 | 10.51 | 10.37 | 10.30 | 10.23 | 10.16 | |
| 30 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 13.58 | 13.40 | 13.31 | 13.22 | 13.13 | |
| 30 x 26 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 12.65 | 12.48 | 12.39 | 12.31 | 12.22 | |
| 30 x 30 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 8.72 | 8.60 | 8.54 | 8.48 | 8.42 | |
| 30 x 30 x 8" | ECT-32 Single Wall Corrugated | 10/120 | 7.72 | 7.62 | 7.57 | 7.51 | 7.46 | |
| 30 x 30 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 8.65 | 8.53 | 8.48 | 8.42 | 8.36 | |
| 30 x 30 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 10.34 | 10.20 | 10.13 | 10.06 | 9.99 | |
| 30 x 30 x 12" | ECT-48 Double Wall Corrugated | 5/75 | 18.17 | 17.93 | 17.81 | 17.69 | 17.57 | |
| 30 x 30 x 16" | ECT-32 Single Wall Corrugated | 10/120 | 9.15 | 9.03 | 8.96 | 8.90 | 8.84 | |
| 30 x 30 x 16" | ECT-48 Double Wall Corrugated | 5/90 | 19.29 | 19.03 | 18.90 | 18.77 | 18.65 | |
| 30 x 30 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 17.04 | 16.81 | 16.70 | 16.58 | 16.47 | |
| 30 x 30 x 20" | ECT-48 Double Wall Corrugated | 5/90 | 21.74 | 21.45 | 21.30 | 21.16 | 21.01 | |
| 30 x 30 x 25" | ECT-32 Single Wall Corrugated | 5/120 | 10.97 | 10.83 | 10.75 | 10.68 | 10.61 | |
| 30 x 30 x 30" | ECT-32 Single Wall Corrugated | 5/120 | 13.11 | 12.94 | 12.85 | 12.76 | 12.68 | |
| 30 x 30 x 30" | ECT-48 Double Wall Corrugated | 5/75 | 21.61 | 21.33 | 21.18 | 21.04 | 20.89 | |
| 30 x 30 x 30" | ECT-90 Triple Wall Corrugated | 5/30 | 58.52 | 57.74 | 57.35 | 56.96 | 56.57 | |
| 30 1/2 x 6 1/2 x 24" | Outside Telescopic HSC | 10/150 | 6.59 | 6.50 | 6.45 | 6.41 | 6.37 | |
| 31 x 16 x 9" | ECT-32 Corrugated | 10/120 | 6.01 | 5.93 | 5.89 | 5.85 | 5.81 | |
| 32 x 6 x 6" | ECT-32 Corrugated | 25/375 | 1.83 | 1.80 | 1.79 | 1.78 | 1.77 | |
| 32 x 8 x 8" | ECT-32 Corrugated | 25/375 | 2.06 | 2.03 | 2.02 | 2.00 | 1.99 | |
| 32 x 10 x 6 1/2" | ECT-32 Corrugated | 20/240 | 3.59 | 3.55 | 3.52 | 3.50 | 3.48 | |
| 32 x 10 x 10" | ECT-32 Corrugated | 20/240 | 4.33 | 4.27 | 4.25 | 4.22 | 4.19 | |
| 32 x 12 x 10" | ECT-32 Corrugated | 20/240 | 3.18 | 3.14 | 3.12 | 3.10 | 3.08 | |
| 32 x 12 x 12" | ECT-32 Corrugated | 20/240 | 3.36 | 3.32 | 3.30 | 3.27 | 3.25 | |
| 32 x 16 x 16" | ECT-32 Corrugated | 15/150 | 7.97 | 7.87 | 7.81 | 7.76 | 7.71 | |
| 32 x 18 x 8" | ECT-32 Corrugated | 15/150 | 4.43 | 4.37 | 4.34 | 4.31 | 4.28 | |
| 32 x 18 x 12" | ECT-32 Corrugated | 15/150 | 5.01 | 4.95 | 4.91 | 4.88 | 4.85 | |
| 32 x 18 x 18" | ECT-32 Corrugated | 15/150 | 6.95 | 6.86 | 6.81 | 6.76 | 6.72 | |
| 32 x 24 x 24" | ECT-32 Corrugated | 15/150 | 11.98 | 11.82 | 11.74 | 11.66 | 11.58 | |
| 32 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 11.49 | 11.34 | 11.26 | 11.19 | 11.11 | |
| 32 x 24 x 24" | ECT-48 Double Wall Corrugated | 5/75 | 14.83 | 14.63 | 14.53 | 14.43 | 14.34 | |
| 32 x 32 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 16.23 | 16.02 | 15.91 | 15.80 | 15.69 | |
| 32 x 32 x 12" | ECT-32 Single Wall Corrugated | 10/150 | 13.25 | 13.07 | 12.98 | 12.89 | 12.81 | |
| 32 x 32 x 32" | ECT-32 Single Wall Corrugated | 5/120 | 14.16 | 13.97 | 13.88 | 13.78 | 13.69 | |
| 32 x 32 x 32" | ECT-48 Double Wall Corrugated | 5/90 | 25.67 | 25.33 | 25.16 | 24.99 | 24.81 | |
| 33 x 8 1/2 x 5" | ECT-32 Single Wall Corrugated | 25/375 | 2.78 | 2.75 | 2.73 | 2.71 | 2.69 | |
| 34 x 10 x 6" | ECT-32 Single Wall Corrugated | 10/300 | 2.47 | 2.44 | 2.42 | 2.41 | 2.39 | |
| 34 x 21 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 8.72 | 8.60 | 8.55 | 8.49 | 8.43 | |
| 34 x 34 x 34" | ECT-32 Single Wall Corrugated | 5/120 | 16.09 | 15.87 | 15.76 | 15.66 | 15.55 | |