| 27 x 14 x 9" | ECT-32 Single Wall Corrugated | 20/240 | $2.54 | $2.41 | $2.27 | $2.16 | $2.14 | |
| 27 x 27 x 27" | ECT-32 Single Wall Corrugated | 5/120 | 8.23 | 7.80 | 7.37 | 7.00 | 6.93 | |
| 28 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/625 | 1.66 | 1.57 | 1.48 | 1.41 | 1.39 | |
| 28 x 5 x 24" | FOL | 10/120 | 4.36 | 4.13 | 3.90 | 3.70 | 3.67 | |
| 28 x 5 x 38" | FOL | 20/120 | 6.13 | 5.80 | 5.48 | 5.21 | 5.15 | |
| 28 x 6 x 6" | ECT-32 Single Wall Corrugated | 20/240 | 1.31 | 1.24 | 1.17 | 1.12 | 1.10 | |
| 28 x 6 x 20" | ECT-44 Single Wall Corrugated | 5/120 | 7.71 | 7.31 | 6.90 | 6.55 | 6.49 | |
| 28 x 6 x 52" | FOL | 5/120 | 11.41 | 10.81 | 10.21 | 9.69 | 9.60 | |
| 28 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.51 | 1.43 | 1.35 | 1.28 | 1.27 | |
| 28 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/300 | 2.17 | 2.06 | 1.94 | 1.84 | 1.83 | |
| 28 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/300 | 1.92 | 1.82 | 1.72 | 1.64 | 1.62 | |
| 28 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/300 | 3.32 | 3.15 | 2.97 | 2.82 | 2.80 | |
| 28 x 12 x 12" | ECT-32 Single Wall Corrugated | 20/240 | 2.50 | 2.37 | 2.24 | 2.13 | 2.11 | |
| 28 x 14 x 14" | ECT-32 Single Wall Corrugated | 20/120 | 3.17 | 3.00 | 2.84 | 2.69 | 2.67 | |
| 28 x 16 x 5" | ECT-32 Single Wall Corrugated | 25/300 | 4.05 | 3.83 | 3.62 | 3.44 | 3.40 | |
| 28 x 16 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 2.79 | 2.64 | 2.50 | 2.37 | 2.35 | |
| 28 x 16 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 3.04 | 2.88 | 2.72 | 2.58 | 2.55 | |
| 28 x 16 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 3.27 | 3.10 | 2.93 | 2.78 | 2.75 | |
| 28 x 16 x 14" | ECT-32 Single Wall Corrugated | 15/120 | 3.72 | 3.52 | 3.32 | 3.16 | 3.13 | |
| 28 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 2.59 | 2.45 | 2.32 | 2.20 | 2.18 | |
| 28 x 18 x 6" | ECT-32 Single Wall Corrugated | 20/140 | 5.13 | 4.86 | 4.59 | 4.35 | 4.31 | |
| 28 x 18 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 4.23 | 4.01 | 3.78 | 3.59 | 3.56 | |
| 28 x 18 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 4.52 | 4.28 | 4.04 | 3.84 | 3.80 | |
| 28 x 18 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 3.52 | 3.33 | 3.15 | 2.99 | 2.96 | |
| 28 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/150 | 3.85 | 3.64 | 3.44 | 3.27 | 3.24 | |
| 28 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 10.73 | 10.17 | 9.60 | 9.12 | 9.03 | |
| 28 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.69 | 5.39 | 5.09 | 4.83 | 4.79 | |
| 28 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 3.97 | 3.77 | 3.56 | 3.38 | 3.34 | |
| 28 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 4.75 | 4.50 | 4.25 | 4.03 | 3.99 | |
| 28 x 20 x 24" | 22,20,18,16,14" | 10/120 | 8.73 | 8.27 | 7.81 | 7.42 | 7.35 | |
| 28 x 20 x 25" | ECT-32 Single Wall Corrugated | 10/120 | 5.97 | 5.66 | 5.34 | 5.07 | 5.02 | |
| 28 x 24 x 6" | ECT-32 Single Wall Corrugated | 10/240 | 4.20 | 3.98 | 3.76 | 3.57 | 3.53 | |
| 28 x 24 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 10.72 | 10.16 | 9.59 | 9.11 | 9.02 | |
| 28 x 28 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 5.47 | 5.19 | 4.90 | 4.65 | 4.61 | |
| 28 x 28 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 10.78 | 10.21 | 9.64 | 9.16 | 9.07 | |
| 28 x 28 x 10" | ECT-32 Single Wall Corrugated | 10/150 | 10.21 | 9.68 | 9.14 | 8.68 | 8.59 | |
| 28 x 28 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 6.14 | 5.82 | 5.50 | 5.22 | 5.17 | |
| 28 x 28 x 12" | ECT-48 Double Wall Corrugated | 10/90 | 19.41 | 18.38 | 17.36 | 16.49 | 16.33 | |
| 28 x 28 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 7.68 | 7.27 | 6.87 | 6.52 | 6.46 | |
| 28 x 28 x 22" | ECT-32 Single Wall Corrugated | 10/150 | 11.74 | 11.13 | 10.51 | 9.98 | 9.88 | |
| 28 x 28 x 28" | ECT-32 Single Wall Corrugated | 5/120 | 8.88 | 8.41 | 7.94 | 7.54 | 7.47 | |
| 28 x 28 x 28" | ECT-48 Double Wall Corrugated | 5/90 | 20.15 | 19.09 | 18.03 | 17.12 | 16.95 | |
| 29 x 17 x 3" | ECT-32 Single Wall Corrugated | 25/300 | 4.19 | 3.97 | 3.75 | 3.56 | 3.53 | |
| 29 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 2.78 | 2.63 | 2.49 | 2.36 | 2.34 | |
| 29 x 17 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 4.88 | 4.62 | 4.36 | 4.14 | 4.10 | |
| 29 x 17 x 9" | ECT-32 Single Wall Corrugated | 15/150 | 3.16 | 2.99 | 2.82 | 2.68 | 2.66 | |
| 29 x 17 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 3.73 | 3.54 | 3.34 | 3.17 | 3.14 | |
| 29 x 17 x 15" | ECT-32 Single Wall Corrugated | 15/150 | 3.99 | 3.78 | 3.57 | 3.39 | 3.36 | |
| 29 x 17 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 4.91 | 4.65 | 4.40 | 4.17 | 4.13 | |
| 29 x 24 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 12.67 | 12.01 | 11.34 | 10.77 | 10.66 | |
| 30 x 5 x 24" | FOL | 10/120 | 3.23 | 3.06 | 2.89 | 2.75 | 2.72 | |
| 30 x 5 x 30" | FOL | 10/120 | 3.83 | 3.63 | 3.42 | 3.25 | 3.22 | |
| 30 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/375 | 1.36 | 1.29 | 1.22 | 1.16 | 1.15 | |
| 30 x 6 x 24" | ECT-44 Corrugated | 10/140 | 8.29 | 7.85 | 7.42 | 7.04 | 6.97 | |
| 30 x 6 x 24" | Inside Telescopic HSC | 10/150 | 5.15 | 4.87 | 4.60 | 4.37 | 4.33 | |
| 30 x 6 x 30" | ECT-44 Corrugated | 10/120 | 9.69 | 9.18 | 8.67 | 8.23 | 8.15 | |
| 30 x 6 x 40" | ECT-44 Corrugated | 10/140 | 11.97 | 11.34 | 10.71 | 10.17 | 10.07 | |
| 30 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.68 | 1.60 | 1.51 | 1.43 | 1.42 | |
| 30 x 10 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 2.07 | 1.96 | 1.85 | 1.76 | 1.74 | |
| 30 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/375 | 3.27 | 3.10 | 2.93 | 2.78 | 2.75 | |
| 30 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 3.33 | 3.16 | 2.98 | 2.83 | 2.80 | |
| 30 x 12 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 2.60 | 2.47 | 2.33 | 2.21 | 2.19 | |
| 30 x 13 x 13" | ECT-32 Single Wall Corrugated | 20/240 | 4.66 | 4.41 | 4.17 | 3.96 | 3.92 | |
| 30 x 14 x 7" | ECT-32 Single Wall Corrugated | 10/120 | 2.39 | 2.26 | 2.14 | 2.03 | 2.01 | |
| 30 x 14 x 10" | ECT-32 Single Wall Corrugated | 10/120 | 2.76 | 2.61 | 2.47 | 2.34 | 2.32 | |
| 30 x 15 x 15" | ECT-32 Single Wall Corrugated | 15/120 | 3.61 | 3.42 | 3.23 | 3.06 | 3.03 | |
| 30 x 15 x 15" | ECT-48 Double Wall Corrugated | 10/90 | 9.63 | 9.13 | 8.62 | 8.19 | 8.11 | |
| 30 x 17 x 16" | ECT-32 Single Wall Corrugated | 15/150 | 3.91 | 3.71 | 3.50 | 3.33 | 3.29 | |
| 30 x 17 x 16" | 14,12,10" | 15/150 | 4.39 | 4.16 | 3.92 | 3.73 | 3.69 | |
| 30 x 17 x 17" | ECT-51 Double Wall Corrugated | 5/75 | 7.44 | 7.04 | 6.65 | 6.32 | 6.26 | |
| 30 x 18 x 16" | ECT-32 Corrugated | 15/150 | 7.03 | 6.66 | 6.29 | 5.97 | 5.91 | |
| 30 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/120 | 4.55 | 4.31 | 4.07 | 3.87 | 3.83 | |
| 30 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 12.18 | 11.54 | 10.90 | 10.35 | 10.25 | |
| 30 x 20 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 3.29 | 3.12 | 2.95 | 2.80 | 2.77 | |
| 30 x 20 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 5.23 | 4.96 | 4.68 | 4.45 | 4.40 | |
| 30 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 3.97 | 3.76 | 3.55 | 3.37 | 3.34 | |
| 30 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.37 | 4.14 | 3.91 | 3.71 | 3.68 | |
| 30 x 20 x 18" | ECT-32 Single Wall Corrugated | 15/150 | 7.74 | 7.33 | 6.92 | 6.58 | 6.51 | |
| 30 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 5.24 | 4.97 | 4.69 | 4.46 | 4.41 | |
| 30 x 20 x 20" | ECT-44 - 18,16,14,12" | 10/120 | 7.11 | 6.74 | 6.36 | 6.04 | 5.98 | |
| 30 x 20 x 20" | ECT-48 Double Wall Corrugated | 10/70 | 9.58 | 9.08 | 8.57 | 8.14 | 8.06 | |
| 30 x 24 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.03 | 5.71 | 5.40 | 5.12 | 5.07 | |
| 30 x 24 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 5.52 | 5.23 | 4.94 | 4.69 | 4.65 | |
| 30 x 24 x 12" | 10,8,6,4" | 15/120 | 6.89 | 6.52 | 6.16 | 5.85 | 5.79 | |
| 30 x 24 x 12" | ECT-48 Double Wall Corrugated | 10/70 | 8.84 | 8.37 | 7.91 | 7.51 | 7.43 | |
| 30 x 24 x 20" | ECT-32 Single Wall Corrugated | 15/150 | 8.45 | 8.01 | 7.56 | 7.18 | 7.11 | |
| 30 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 10.93 | 10.35 | 9.78 | 9.28 | 9.19 | |
| 30 x 26 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 10.17 | 9.64 | 9.10 | 8.64 | 8.56 | |
| 30 x 30 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 7.01 | 6.64 | 6.27 | 5.96 | 5.90 | |
| 30 x 30 x 8" | ECT-32 Single Wall Corrugated | 10/120 | 6.21 | 5.88 | 5.56 | 5.28 | 5.22 | |
| 30 x 30 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.96 | 6.59 | 6.22 | 5.91 | 5.85 | |
| 30 x 30 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 8.31 | 7.88 | 7.44 | 7.06 | 6.99 | |
| 30 x 30 x 12" | ECT-48 Double Wall Corrugated | 5/75 | 14.62 | 13.85 | 13.08 | 12.42 | 12.30 | |
| 30 x 30 x 16" | ECT-32 Single Wall Corrugated | 10/120 | 7.36 | 6.97 | 6.58 | 6.25 | 6.19 | |
| 30 x 30 x 16" | ECT-48 Double Wall Corrugated | 5/90 | 15.51 | 14.70 | 13.88 | 13.18 | 13.05 | |
| 30 x 30 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 13.70 | 12.98 | 12.26 | 11.64 | 11.53 | |
| 30 x 30 x 20" | ECT-48 Double Wall Corrugated | 5/90 | 17.48 | 16.56 | 15.64 | 14.86 | 14.71 | |
| 30 x 30 x 25" | ECT-32 Single Wall Corrugated | 5/120 | 8.83 | 8.36 | 7.90 | 7.50 | 7.43 | |
| 30 x 30 x 30" | ECT-32 Single Wall Corrugated | 5/120 | 10.55 | 9.99 | 9.44 | 8.96 | 8.87 | |
| 30 x 30 x 30" | ECT-48 Double Wall Corrugated | 5/75 | 17.38 | 16.47 | 15.55 | 14.77 | 14.63 | |
| 30 x 30 x 30" | ECT-90 Triple Wall Corrugated | 5/30 | 47.07 | 44.59 | 42.11 | 39.99 | 39.60 | |
| 30 1/2 x 6 1/2 x 24" | Outside Telescopic HSC | 10/150 | 5.40 | 5.12 | 4.83 | 4.59 | 4.54 | |
| 31 x 16 x 9" | ECT-32 Corrugated | 10/120 | 4.83 | 4.58 | 4.32 | 4.11 | 4.07 | |
| 32 x 6 x 6" | ECT-32 Corrugated | 25/375 | 1.47 | 1.39 | 1.31 | 1.25 | 1.24 | |
| 32 x 8 x 8" | ECT-32 Corrugated | 25/375 | 1.66 | 1.57 | 1.48 | 1.41 | 1.39 | |
| 32 x 10 x 6 1/2" | ECT-32 Corrugated | 20/240 | 2.89 | 2.74 | 2.59 | 2.46 | 2.43 | |
| 32 x 10 x 10" | ECT-32 Corrugated | 20/240 | 3.48 | 3.30 | 3.12 | 2.96 | 2.93 | |
| 32 x 12 x 10" | ECT-32 Corrugated | 20/240 | 2.56 | 2.43 | 2.29 | 2.17 | 2.15 | |
| 32 x 12 x 12" | ECT-32 Corrugated | 20/240 | 2.71 | 2.56 | 2.42 | 2.30 | 2.28 | |
| 32 x 16 x 16" | ECT-32 Corrugated | 15/150 | 6.41 | 6.08 | 5.74 | 5.45 | 5.40 | |
| 32 x 18 x 8" | ECT-32 Corrugated | 15/150 | 3.56 | 3.37 | 3.19 | 3.03 | 3.00 | |
| 32 x 18 x 12" | ECT-32 Corrugated | 15/150 | 4.03 | 3.82 | 3.61 | 3.43 | 3.39 | |
| 32 x 18 x 18" | ECT-32 Corrugated | 15/150 | 5.59 | 5.30 | 5.00 | 4.75 | 4.70 | |
| 32 x 24 x 24" | ECT-32 Corrugated | 15/150 | 9.63 | 9.13 | 8.62 | 8.19 | 8.11 | |
| 32 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 9.24 | 8.76 | 8.27 | 7.85 | 7.78 | |
| 32 x 24 x 24" | ECT-48 Double Wall Corrugated | 5/75 | 11.93 | 11.30 | 10.67 | 10.13 | 10.04 | |
| 32 x 32 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 13.06 | 12.37 | 11.68 | 11.09 | 10.99 | |
| 32 x 32 x 12" | ECT-32 Single Wall Corrugated | 10/150 | 10.66 | 10.09 | 9.53 | 9.05 | 8.96 | |
| 32 x 32 x 32" | ECT-32 Single Wall Corrugated | 5/120 | 11.39 | 10.79 | 10.19 | 9.68 | 9.58 | |
| 32 x 32 x 32" | ECT-48 Double Wall Corrugated | 5/90 | 20.65 | 19.56 | 18.47 | 17.54 | 17.37 | |
| 33 x 8 1/2 x 5" | ECT-32 Single Wall Corrugated | 25/375 | 2.24 | 2.12 | 2.00 | 1.90 | 1.88 | |
| 34 x 10 x 6" | ECT-32 Single Wall Corrugated | 10/300 | 1.99 | 1.88 | 1.78 | 1.69 | 1.67 | |
| 34 x 21 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 7.01 | 6.64 | 6.27 | 5.96 | 5.90 | |
| 34 x 34 x 34" | ECT-32 Single Wall Corrugated | 5/120 | 12.94 | 12.26 | 11.58 | 10.99 | 10.89 | |