| 27 x 14 x 9" | ECT-32 Single Wall Corrugated | 20/240 | $2.45 | $2.39 | $2.33 | $2.27 | $2.22 | |
| 27 x 27 x 27" | ECT-32 Single Wall Corrugated | 5/120 | 7.92 | 7.74 | 7.55 | 7.37 | 7.18 | |
| 28 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/625 | 1.59 | 1.56 | 1.52 | 1.48 | 1.45 | |
| 28 x 5 x 24" | FOL | 10/120 | 4.19 | 4.10 | 4.00 | 3.90 | 3.80 | |
| 28 x 5 x 38" | FOL | 20/120 | 5.90 | 5.76 | 5.62 | 5.48 | 5.34 | |
| 28 x 6 x 6" | ECT-32 Single Wall Corrugated | 20/240 | 1.26 | 1.23 | 1.20 | 1.17 | 1.14 | |
| 28 x 6 x 20" | ECT-44 Single Wall Corrugated | 5/120 | 7.42 | 7.25 | 7.07 | 6.90 | 6.73 | |
| 28 x 6 x 52" | FOL | 5/120 | 10.98 | 10.72 | 10.46 | 10.21 | 9.95 | |
| 28 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.45 | 1.42 | 1.38 | 1.35 | 1.32 | |
| 28 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/300 | 2.09 | 2.04 | 1.99 | 1.94 | 1.89 | |
| 28 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/300 | 1.85 | 1.81 | 1.77 | 1.72 | 1.68 | |
| 28 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/300 | 3.20 | 3.12 | 3.05 | 2.97 | 2.90 | |
| 28 x 12 x 12" | ECT-32 Single Wall Corrugated | 20/240 | 2.41 | 2.35 | 2.30 | 2.24 | 2.18 | |
| 28 x 14 x 14" | ECT-32 Single Wall Corrugated | 20/120 | 3.05 | 2.98 | 2.91 | 2.84 | 2.77 | |
| 28 x 16 x 5" | ECT-32 Single Wall Corrugated | 25/300 | 3.89 | 3.80 | 3.71 | 3.62 | 3.53 | |
| 28 x 16 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 2.68 | 2.62 | 2.56 | 2.50 | 2.43 | |
| 28 x 16 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 2.92 | 2.85 | 2.78 | 2.72 | 2.65 | |
| 28 x 16 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 3.15 | 3.08 | 3.00 | 2.93 | 2.86 | |
| 28 x 16 x 14" | ECT-32 Single Wall Corrugated | 15/120 | 3.58 | 3.49 | 3.41 | 3.32 | 3.24 | |
| 28 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 2.49 | 2.44 | 2.38 | 2.32 | 2.26 | |
| 28 x 18 x 6" | ECT-32 Single Wall Corrugated | 20/140 | 4.93 | 4.82 | 4.70 | 4.59 | 4.47 | |
| 28 x 18 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 4.07 | 3.97 | 3.88 | 3.78 | 3.69 | |
| 28 x 18 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 4.35 | 4.25 | 4.14 | 4.04 | 3.94 | |
| 28 x 18 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 3.39 | 3.31 | 3.23 | 3.15 | 3.07 | |
| 28 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/150 | 3.70 | 3.62 | 3.53 | 3.44 | 3.36 | |
| 28 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 10.33 | 10.09 | 9.84 | 9.60 | 9.36 | |
| 28 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.48 | 5.35 | 5.22 | 5.09 | 4.96 | |
| 28 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 3.83 | 3.74 | 3.65 | 3.56 | 3.47 | |
| 28 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 4.57 | 4.46 | 4.35 | 4.25 | 4.14 | |
| 28 x 20 x 24" | 22,20,18,16,14" | 10/120 | 8.41 | 8.21 | 8.01 | 7.81 | 7.62 | |
| 28 x 20 x 25" | ECT-32 Single Wall Corrugated | 10/120 | 5.75 | 5.61 | 5.48 | 5.34 | 5.21 | |
| 28 x 24 x 6" | ECT-32 Single Wall Corrugated | 10/240 | 4.04 | 3.95 | 3.85 | 3.76 | 3.66 | |
| 28 x 24 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 10.32 | 10.08 | 9.84 | 9.59 | 9.35 | |
| 28 x 28 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 5.27 | 5.15 | 5.02 | 4.90 | 4.77 | |
| 28 x 28 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 10.37 | 10.13 | 9.89 | 9.64 | 9.40 | |
| 28 x 28 x 10" | ECT-32 Single Wall Corrugated | 10/150 | 9.83 | 9.60 | 9.37 | 9.14 | 8.91 | |
| 28 x 28 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 5.91 | 5.77 | 5.64 | 5.50 | 5.36 | |
| 28 x 28 x 12" | ECT-48 Double Wall Corrugated | 10/90 | 18.68 | 18.24 | 17.80 | 17.36 | 16.92 | |
| 28 x 28 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 7.39 | 7.21 | 7.04 | 6.87 | 6.70 | |
| 28 x 28 x 22" | ECT-32 Single Wall Corrugated | 10/150 | 11.30 | 11.04 | 10.77 | 10.51 | 10.24 | |
| 28 x 28 x 28" | ECT-32 Single Wall Corrugated | 5/120 | 8.55 | 8.35 | 8.14 | 7.94 | 7.74 | |
| 28 x 28 x 28" | ECT-48 Double Wall Corrugated | 5/90 | 19.39 | 18.94 | 18.48 | 18.03 | 17.57 | |
| 29 x 17 x 3" | ECT-32 Single Wall Corrugated | 25/300 | 4.04 | 3.94 | 3.85 | 3.75 | 3.66 | |
| 29 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 2.67 | 2.61 | 2.55 | 2.49 | 2.42 | |
| 29 x 17 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 4.69 | 4.58 | 4.47 | 4.36 | 4.25 | |
| 29 x 17 x 9" | ECT-32 Single Wall Corrugated | 15/150 | 3.04 | 2.97 | 2.90 | 2.82 | 2.75 | |
| 29 x 17 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 3.59 | 3.51 | 3.43 | 3.34 | 3.26 | |
| 29 x 17 x 15" | ECT-32 Single Wall Corrugated | 15/150 | 3.84 | 3.75 | 3.66 | 3.57 | 3.48 | |
| 29 x 17 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 4.73 | 4.62 | 4.51 | 4.40 | 4.28 | |
| 29 x 24 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 12.20 | 11.91 | 11.62 | 11.34 | 11.05 | |
| 30 x 5 x 24" | FOL | 10/120 | 3.11 | 3.04 | 2.96 | 2.89 | 2.82 | |
| 30 x 5 x 30" | FOL | 10/120 | 3.68 | 3.60 | 3.51 | 3.42 | 3.34 | |
| 30 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/375 | 1.31 | 1.28 | 1.25 | 1.22 | 1.19 | |
| 30 x 6 x 24" | ECT-44 Corrugated | 10/140 | 7.98 | 7.79 | 7.60 | 7.42 | 7.23 | |
| 30 x 6 x 24" | Inside Telescopic HSC | 10/150 | 4.95 | 4.84 | 4.72 | 4.60 | 4.49 | |
| 30 x 6 x 30" | ECT-44 Corrugated | 10/120 | 9.33 | 9.11 | 8.89 | 8.67 | 8.45 | |
| 30 x 6 x 40" | ECT-44 Corrugated | 10/140 | 11.52 | 11.25 | 10.98 | 10.71 | 10.44 | |
| 30 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.62 | 1.58 | 1.55 | 1.51 | 1.47 | |
| 30 x 10 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 1.99 | 1.95 | 1.90 | 1.85 | 1.81 | |
| 30 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/375 | 3.15 | 3.08 | 3.00 | 2.93 | 2.86 | |
| 30 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 3.21 | 3.13 | 3.06 | 2.98 | 2.91 | |
| 30 x 12 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 2.51 | 2.45 | 2.39 | 2.33 | 2.27 | |
| 30 x 13 x 13" | ECT-32 Single Wall Corrugated | 20/240 | 4.48 | 4.38 | 4.27 | 4.17 | 4.06 | |
| 30 x 14 x 7" | ECT-32 Single Wall Corrugated | 10/120 | 2.30 | 2.25 | 2.19 | 2.14 | 2.08 | |
| 30 x 14 x 10" | ECT-32 Single Wall Corrugated | 10/120 | 2.65 | 2.59 | 2.53 | 2.47 | 2.40 | |
| 30 x 15 x 15" | ECT-32 Single Wall Corrugated | 15/120 | 3.47 | 3.39 | 3.31 | 3.23 | 3.15 | |
| 30 x 15 x 15" | ECT-48 Double Wall Corrugated | 10/90 | 9.27 | 9.05 | 8.84 | 8.62 | 8.40 | |
| 30 x 17 x 16" | ECT-32 Single Wall Corrugated | 15/150 | 3.77 | 3.68 | 3.59 | 3.50 | 3.41 | |
| 30 x 17 x 16" | 14,12,10" | 15/150 | 4.22 | 4.12 | 4.02 | 3.92 | 3.83 | |
| 30 x 17 x 17" | ECT-51 Double Wall Corrugated | 5/75 | 7.16 | 6.99 | 6.82 | 6.65 | 6.49 | |
| 30 x 18 x 16" | ECT-32 Corrugated | 15/150 | 6.76 | 6.60 | 6.44 | 6.29 | 6.13 | |
| 30 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/120 | 4.38 | 4.28 | 4.17 | 4.07 | 3.97 | |
| 30 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 11.72 | 11.45 | 11.17 | 10.90 | 10.62 | |
| 30 x 20 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 3.17 | 3.09 | 3.02 | 2.95 | 2.87 | |
| 30 x 20 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 5.04 | 4.92 | 4.80 | 4.68 | 4.57 | |
| 30 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 3.82 | 3.73 | 3.64 | 3.55 | 3.46 | |
| 30 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.21 | 4.11 | 4.01 | 3.91 | 3.81 | |
| 30 x 20 x 18" | ECT-32 Single Wall Corrugated | 15/150 | 7.45 | 7.27 | 7.10 | 6.92 | 6.75 | |
| 30 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 5.05 | 4.93 | 4.81 | 4.69 | 4.57 | |
| 30 x 20 x 20" | ECT-44 - 18,16,14,12" | 10/120 | 6.84 | 6.68 | 6.52 | 6.36 | 6.20 | |
| 30 x 20 x 20" | ECT-48 Double Wall Corrugated | 10/70 | 9.22 | 9.01 | 8.79 | 8.57 | 8.36 | |
| 30 x 24 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.80 | 5.67 | 5.53 | 5.40 | 5.26 | |
| 30 x 24 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 5.31 | 5.19 | 5.07 | 4.94 | 4.82 | |
| 30 x 24 x 12" | 10,8,6,4" | 15/120 | 6.63 | 6.47 | 6.32 | 6.16 | 6.01 | |
| 30 x 24 x 12" | ECT-48 Double Wall Corrugated | 10/70 | 8.50 | 8.31 | 8.11 | 7.91 | 7.71 | |
| 30 x 24 x 20" | ECT-32 Single Wall Corrugated | 15/150 | 8.14 | 7.94 | 7.75 | 7.56 | 7.37 | |
| 30 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 10.52 | 10.27 | 10.02 | 9.78 | 9.53 | |
| 30 x 26 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 9.79 | 9.56 | 9.33 | 9.10 | 8.87 | |
| 30 x 30 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 6.75 | 6.59 | 6.43 | 6.27 | 6.11 | |
| 30 x 30 x 8" | ECT-32 Single Wall Corrugated | 10/120 | 5.98 | 5.84 | 5.70 | 5.56 | 5.42 | |
| 30 x 30 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.69 | 6.54 | 6.38 | 6.22 | 6.07 | |
| 30 x 30 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 8.00 | 7.81 | 7.63 | 7.44 | 7.25 | |
| 30 x 30 x 12" | ECT-48 Double Wall Corrugated | 5/75 | 14.07 | 13.74 | 13.41 | 13.08 | 12.75 | |
| 30 x 30 x 16" | ECT-32 Single Wall Corrugated | 10/120 | 7.08 | 6.91 | 6.75 | 6.58 | 6.42 | |
| 30 x 30 x 16" | ECT-48 Double Wall Corrugated | 5/90 | 14.93 | 14.58 | 14.23 | 13.88 | 13.53 | |
| 30 x 30 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 13.19 | 12.88 | 12.57 | 12.26 | 11.95 | |
| 30 x 30 x 20" | ECT-48 Double Wall Corrugated | 5/90 | 16.83 | 16.43 | 16.04 | 15.64 | 15.25 | |
| 30 x 30 x 25" | ECT-32 Single Wall Corrugated | 5/120 | 8.49 | 8.30 | 8.10 | 7.90 | 7.70 | |
| 30 x 30 x 30" | ECT-32 Single Wall Corrugated | 5/120 | 10.15 | 9.91 | 9.68 | 9.44 | 9.20 | |
| 30 x 30 x 30" | ECT-48 Double Wall Corrugated | 5/75 | 16.73 | 16.34 | 15.95 | 15.55 | 15.16 | |
| 30 x 30 x 30" | ECT-90 Triple Wall Corrugated | 5/30 | 45.30 | 44.24 | 43.17 | 42.11 | 41.05 | |
| 30 1/2 x 6 1/2 x 24" | Outside Telescopic HSC | 10/150 | 5.20 | 5.07 | 4.95 | 4.83 | 4.71 | |
| 31 x 16 x 9" | ECT-32 Corrugated | 10/120 | 4.65 | 4.54 | 4.43 | 4.32 | 4.21 | |
| 32 x 6 x 6" | ECT-32 Corrugated | 25/375 | 1.41 | 1.38 | 1.35 | 1.31 | 1.28 | |
| 32 x 8 x 8" | ECT-32 Corrugated | 25/375 | 1.59 | 1.56 | 1.52 | 1.48 | 1.45 | |
| 32 x 10 x 6 1/2" | ECT-32 Corrugated | 20/240 | 2.78 | 2.72 | 2.65 | 2.59 | 2.52 | |
| 32 x 10 x 10" | ECT-32 Corrugated | 20/240 | 3.35 | 3.28 | 3.20 | 3.12 | 3.04 | |
| 32 x 12 x 10" | ECT-32 Corrugated | 20/240 | 2.46 | 2.41 | 2.35 | 2.29 | 2.23 | |
| 32 x 12 x 12" | ECT-32 Corrugated | 20/240 | 2.60 | 2.54 | 2.48 | 2.42 | 2.36 | |
| 32 x 16 x 16" | ECT-32 Corrugated | 15/150 | 6.17 | 6.03 | 5.88 | 5.74 | 5.59 | |
| 32 x 18 x 8" | ECT-32 Corrugated | 15/150 | 3.43 | 3.35 | 3.27 | 3.19 | 3.11 | |
| 32 x 18 x 12" | ECT-32 Corrugated | 15/150 | 3.88 | 3.79 | 3.70 | 3.61 | 3.52 | |
| 32 x 18 x 18" | ECT-32 Corrugated | 15/150 | 5.38 | 5.25 | 5.13 | 5.00 | 4.88 | |
| 32 x 24 x 24" | ECT-32 Corrugated | 15/150 | 9.27 | 9.05 | 8.84 | 8.62 | 8.40 | |
| 32 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 8.90 | 8.69 | 8.48 | 8.27 | 8.06 | |
| 32 x 24 x 24" | ECT-48 Double Wall Corrugated | 5/75 | 11.48 | 11.21 | 10.94 | 10.67 | 10.40 | |
| 32 x 32 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 12.57 | 12.27 | 11.98 | 11.68 | 11.39 | |
| 32 x 32 x 12" | ECT-32 Single Wall Corrugated | 10/150 | 10.25 | 10.01 | 9.77 | 9.53 | 9.29 | |
| 32 x 32 x 32" | ECT-32 Single Wall Corrugated | 5/120 | 10.96 | 10.70 | 10.45 | 10.19 | 9.93 | |
| 32 x 32 x 32" | ECT-48 Double Wall Corrugated | 5/90 | 19.87 | 19.40 | 18.94 | 18.47 | 18.01 | |
| 33 x 8 1/2 x 5" | ECT-32 Single Wall Corrugated | 25/375 | 2.16 | 2.10 | 2.05 | 2.00 | 1.95 | |
| 34 x 10 x 6" | ECT-32 Single Wall Corrugated | 10/300 | 1.91 | 1.87 | 1.82 | 1.78 | 1.73 | |
| 34 x 21 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 6.75 | 6.59 | 6.43 | 6.27 | 6.12 | |
| 34 x 34 x 34" | ECT-32 Single Wall Corrugated | 5/120 | 12.45 | 12.16 | 11.87 | 11.58 | 11.28 | |