| 27 x 14 x 9" | ECT-32 Single Wall Corrugated | 20/240 | $3.04 | $2.92 | $2.83 | $2.71 | $2.60 | |
| 27 x 27 x 27" | ECT-32 Single Wall Corrugated | 5/120 | 9.84 | 9.47 | 9.16 | 8.79 | 8.42 | |
| 28 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/625 | 1.98 | 1.91 | 1.84 | 1.77 | 1.69 | |
| 28 x 5 x 24" | FOL | 10/120 | 5.21 | 5.01 | 4.85 | 4.65 | 4.46 | |
| 28 x 5 x 38" | FOL | 20/120 | 7.32 | 7.05 | 6.82 | 6.54 | 6.27 | |
| 28 x 6 x 6" | ECT-32 Single Wall Corrugated | 20/240 | 1.11 | 1.07 | 1.04 | .99 | .95 | |
| 28 x 6 x 20" | ECT-44 Single Wall Corrugated | 5/120 | 9.22 | 8.87 | 8.58 | 8.23 | 7.89 | |
| 28 x 6 x 52" | FOL | 5/120 | 13.64 | 13.12 | 12.69 | 12.18 | 11.66 | |
| 28 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.80 | 1.74 | 1.68 | 1.61 | 1.54 | |
| 28 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/300 | 2.60 | 2.50 | 2.42 | 2.32 | 2.22 | |
| 28 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/300 | 2.30 | 2.21 | 2.14 | 2.06 | 1.97 | |
| 28 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/300 | 3.97 | 3.82 | 3.70 | 3.55 | 3.40 | |
| 28 x 12 x 12" | ECT-32 Single Wall Corrugated | 20/240 | 2.99 | 2.88 | 2.78 | 2.67 | 2.56 | |
| 28 x 14 x 14" | ECT-32 Single Wall Corrugated | 20/120 | 3.79 | 3.65 | 3.53 | 3.39 | 3.24 | |
| 28 x 16 x 5" | ECT-32 Single Wall Corrugated | 25/300 | 4.84 | 4.65 | 4.50 | 4.32 | 4.14 | |
| 28 x 16 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 3.33 | 3.21 | 3.10 | 2.98 | 2.85 | |
| 28 x 16 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 3.63 | 3.49 | 3.38 | 3.24 | 3.10 | |
| 28 x 16 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 3.91 | 3.77 | 3.64 | 3.50 | 3.35 | |
| 28 x 16 x 14" | ECT-32 Single Wall Corrugated | 15/120 | 4.44 | 4.27 | 4.13 | 3.97 | 3.80 | |
| 28 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 3.10 | 2.98 | 2.88 | 2.77 | 2.65 | |
| 28 x 18 x 6" | ECT-32 Single Wall Corrugated | 20/140 | 6.13 | 5.90 | 5.70 | 5.47 | 5.24 | |
| 28 x 18 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 5.05 | 4.86 | 4.70 | 4.51 | 4.32 | |
| 28 x 18 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.40 | 5.20 | 5.03 | 4.82 | 4.62 | |
| 28 x 18 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 4.21 | 4.05 | 3.92 | 3.76 | 3.60 | |
| 28 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/150 | 4.60 | 4.43 | 4.28 | 4.11 | 3.93 | |
| 28 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 12.83 | 12.35 | 11.94 | 11.46 | 10.97 | |
| 28 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 6.80 | 6.54 | 6.33 | 6.07 | 5.82 | |
| 28 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.75 | 4.57 | 4.42 | 4.24 | 4.06 | |
| 28 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 5.68 | 5.46 | 5.28 | 5.07 | 4.85 | |
| 28 x 20 x 24" | 22,20,18,16,14" | 10/120 | 10.44 | 10.05 | 9.72 | 9.32 | 8.93 | |
| 28 x 20 x 25" | ECT-32 Single Wall Corrugated | 10/120 | 7.14 | 6.87 | 6.64 | 6.37 | 6.11 | |
| 28 x 24 x 6" | ECT-32 Single Wall Corrugated | 10/240 | 5.02 | 4.83 | 4.67 | 4.48 | 4.29 | |
| 28 x 24 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 12.82 | 12.33 | 11.93 | 11.45 | 10.96 | |
| 28 x 28 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 6.54 | 6.30 | 6.09 | 5.85 | 5.60 | |
| 28 x 28 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 12.89 | 12.40 | 12.00 | 11.51 | 11.02 | |
| 28 x 28 x 10" | ECT-32 Single Wall Corrugated | 10/150 | 12.21 | 11.75 | 11.37 | 10.91 | 10.45 | |
| 28 x 28 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 7.34 | 7.07 | 6.84 | 6.56 | 6.28 | |
| 28 x 28 x 12" | ECT-48 Double Wall Corrugated | 10/90 | 23.20 | 22.32 | 21.59 | 20.72 | 19.84 | |
| 28 x 28 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 9.18 | 8.83 | 8.54 | 8.20 | 7.85 | |
| 28 x 28 x 22" | ECT-32 Single Wall Corrugated | 10/150 | 14.04 | 13.51 | 13.07 | 12.54 | 12.01 | |
| 28 x 28 x 28" | ECT-32 Single Wall Corrugated | 5/120 | 10.61 | 10.21 | 9.88 | 9.48 | 9.08 | |
| 28 x 28 x 28" | ECT-48 Double Wall Corrugated | 5/90 | 24.09 | 23.18 | 22.42 | 21.51 | 20.60 | |
| 29 x 17 x 3" | ECT-32 Single Wall Corrugated | 25/300 | 5.01 | 4.83 | 4.67 | 4.48 | 4.29 | |
| 29 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 3.32 | 3.20 | 3.09 | 2.97 | 2.84 | |
| 29 x 17 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 5.83 | 5.61 | 5.43 | 5.21 | 4.99 | |
| 29 x 17 x 9" | ECT-32 Single Wall Corrugated | 15/150 | 3.77 | 3.63 | 3.51 | 3.37 | 3.23 | |
| 29 x 17 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.46 | 4.30 | 4.15 | 3.99 | 3.82 | |
| 29 x 17 x 15" | ECT-32 Single Wall Corrugated | 15/150 | 4.77 | 4.59 | 4.44 | 4.26 | 4.08 | |
| 29 x 17 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 5.87 | 5.65 | 5.47 | 5.25 | 5.02 | |
| 29 x 24 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 15.15 | 14.58 | 14.10 | 13.53 | 12.96 | |
| 30 x 5 x 24" | FOL | 10/120 | 3.86 | 3.72 | 3.60 | 3.45 | 3.30 | |
| 30 x 5 x 30" | FOL | 10/120 | 4.58 | 4.40 | 4.26 | 4.09 | 3.91 | |
| 30 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/375 | 1.63 | 1.57 | 1.52 | 1.46 | 1.40 | |
| 30 x 6 x 24" | ECT-44 Corrugated | 10/140 | 9.91 | 9.54 | 9.23 | 8.85 | 8.48 | |
| 30 x 6 x 24" | Inside Telescopic HSC | 10/150 | 6.15 | 5.92 | 5.73 | 5.49 | 5.26 | |
| 30 x 6 x 30" | ECT-44 Corrugated | 10/120 | 11.59 | 11.15 | 10.79 | 10.35 | 9.91 | |
| 30 x 6 x 40" | ECT-44 Corrugated | 10/140 | 14.31 | 13.77 | 13.32 | 12.78 | 12.24 | |
| 30 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 2.01 | 1.94 | 1.88 | 1.80 | 1.72 | |
| 30 x 10 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 2.48 | 2.38 | 2.30 | 2.21 | 2.12 | |
| 30 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/375 | 3.91 | 3.77 | 3.64 | 3.50 | 3.35 | |
| 30 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 3.98 | 3.83 | 3.71 | 3.56 | 3.41 | |
| 30 x 12 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 3.11 | 3.00 | 2.90 | 2.78 | 2.66 | |
| 30 x 13 x 13" | ECT-32 Single Wall Corrugated | 20/240 | 5.57 | 5.36 | 5.18 | 4.97 | 4.76 | |
| 30 x 14 x 7" | ECT-32 Single Wall Corrugated | 10/120 | 2.86 | 2.75 | 2.66 | 2.55 | 2.44 | |
| 30 x 14 x 10" | ECT-32 Single Wall Corrugated | 10/120 | 2.54 | 2.44 | 2.36 | 2.26 | 2.17 | |
| 30 x 15 x 15" | ECT-32 Single Wall Corrugated | 15/120 | 4.31 | 4.15 | 4.01 | 3.85 | 3.69 | |
| 30 x 15 x 15" | ECT-48 Double Wall Corrugated | 10/90 | 11.52 | 11.08 | 10.72 | 10.29 | 9.85 | |
| 30 x 17 x 16" | ECT-32 Single Wall Corrugated | 15/150 | 4.68 | 4.50 | 4.35 | 4.18 | 4.00 | |
| 30 x 17 x 16" | 14,12,10" | 15/150 | 5.24 | 5.05 | 4.88 | 4.68 | 4.49 | |
| 30 x 17 x 17" | ECT-51 Double Wall Corrugated | 5/75 | 8.89 | 8.55 | 8.27 | 7.94 | 7.60 | |
| 30 x 18 x 16" | ECT-32 Corrugated | 15/150 | 8.40 | 8.08 | 7.82 | 7.50 | 7.18 | |
| 30 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/120 | 5.44 | 5.23 | 5.06 | 4.86 | 4.65 | |
| 30 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 14.56 | 14.01 | 13.55 | 13.00 | 12.45 | |
| 30 x 20 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 3.94 | 3.79 | 3.66 | 3.51 | 3.37 | |
| 30 x 20 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 6.26 | 6.02 | 5.82 | 5.59 | 5.35 | |
| 30 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 4.75 | 4.57 | 4.42 | 4.24 | 4.06 | |
| 30 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 5.23 | 5.03 | 4.87 | 4.67 | 4.47 | |
| 30 x 20 x 18" | ECT-32 Single Wall Corrugated | 15/150 | 9.25 | 8.90 | 8.61 | 8.26 | 7.91 | |
| 30 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 6.27 | 6.03 | 5.84 | 5.60 | 5.36 | |
| 30 x 20 x 20" | ECT-44 - 18,16,14,12" | 10/120 | 8.50 | 8.18 | 7.91 | 7.59 | 7.27 | |
| 30 x 20 x 20" | ECT-48 Double Wall Corrugated | 10/70 | 11.46 | 11.02 | 10.66 | 10.23 | 9.80 | |
| 30 x 24 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 7.21 | 6.94 | 6.71 | 6.44 | 6.17 | |
| 30 x 24 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 6.60 | 6.35 | 6.15 | 5.90 | 5.65 | |
| 30 x 24 x 12" | 10,8,6,4" | 15/120 | 8.23 | 7.92 | 7.66 | 7.35 | 7.04 | |
| 30 x 24 x 12" | ECT-48 Double Wall Corrugated | 10/70 | 10.56 | 10.17 | 9.83 | 9.43 | 9.04 | |
| 30 x 24 x 20" | ECT-32 Single Wall Corrugated | 15/150 | 10.11 | 9.72 | 9.41 | 9.03 | 8.64 | |
| 30 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 13.06 | 12.57 | 12.16 | 11.67 | 11.17 | |
| 30 x 26 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 12.16 | 11.70 | 11.32 | 10.86 | 10.40 | |
| 30 x 30 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 8.38 | 8.06 | 7.80 | 7.48 | 7.17 | |
| 30 x 30 x 8" | ECT-32 Single Wall Corrugated | 10/120 | 7.42 | 7.14 | 6.91 | 6.63 | 6.35 | |
| 30 x 30 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 8.32 | 8.00 | 7.74 | 7.43 | 7.11 | |
| 30 x 30 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 9.94 | 9.56 | 9.25 | 8.88 | 8.50 | |
| 30 x 30 x 12" | ECT-48 Double Wall Corrugated | 5/75 | 17.47 | 16.81 | 16.26 | 15.60 | 14.95 | |
| 30 x 30 x 16" | ECT-32 Single Wall Corrugated | 10/120 | 8.80 | 8.46 | 8.19 | 7.86 | 7.52 | |
| 30 x 30 x 16" | ECT-48 Double Wall Corrugated | 5/90 | 18.55 | 17.85 | 17.26 | 16.56 | 15.86 | |
| 30 x 30 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 16.38 | 15.76 | 15.25 | 14.63 | 14.01 | |
| 30 x 30 x 20" | ECT-48 Double Wall Corrugated | 5/90 | 20.90 | 20.11 | 19.46 | 18.67 | 17.88 | |
| 30 x 30 x 25" | ECT-32 Single Wall Corrugated | 5/120 | 10.55 | 10.15 | 9.82 | 9.42 | 9.03 | |
| 30 x 30 x 30" | ECT-32 Single Wall Corrugated | 5/120 | 12.61 | 12.13 | 11.74 | 11.26 | 10.79 | |
| 30 x 30 x 30" | ECT-48 Double Wall Corrugated | 5/75 | 19.15 | 18.43 | 17.83 | 17.10 | 16.38 | |
| 30 x 30 x 30" | ECT-90 Triple Wall Corrugated | 5/30 | 56.27 | 54.14 | 52.37 | 50.25 | 48.13 | |
| 30 1/2 x 6 1/2 x 24" | Outside Telescopic HSC | 10/150 | 6.46 | 6.21 | 6.01 | 5.76 | 5.52 | |
| 31 x 16 x 9" | ECT-32 Corrugated | 10/120 | 5.78 | 5.56 | 5.38 | 5.16 | 4.94 | |
| 32 x 6 x 6" | ECT-32 Corrugated | 25/375 | 1.76 | 1.69 | 1.64 | 1.57 | 1.50 | |
| 32 x 8 x 8" | ECT-32 Corrugated | 25/375 | 1.98 | 1.91 | 1.84 | 1.77 | 1.69 | |
| 32 x 10 x 6 1/2" | ECT-32 Corrugated | 20/240 | 3.46 | 3.33 | 3.22 | 3.09 | 2.96 | |
| 32 x 10 x 10" | ECT-32 Corrugated | 20/240 | 4.17 | 4.01 | 3.88 | 3.72 | 3.56 | |
| 32 x 12 x 10" | ECT-32 Corrugated | 20/240 | 3.06 | 2.94 | 2.85 | 2.73 | 2.62 | |
| 32 x 12 x 12" | ECT-32 Corrugated | 20/240 | 3.24 | 3.11 | 3.01 | 2.89 | 2.77 | |
| 32 x 16 x 16" | ECT-32 Corrugated | 15/150 | 7.67 | 7.38 | 7.14 | 6.85 | 6.56 | |
| 32 x 18 x 8" | ECT-32 Corrugated | 15/150 | 4.26 | 4.10 | 3.96 | 3.80 | 3.64 | |
| 32 x 18 x 12" | ECT-32 Corrugated | 15/150 | 4.82 | 4.64 | 4.49 | 4.31 | 4.12 | |
| 32 x 18 x 18" | ECT-32 Corrugated | 15/150 | 6.68 | 6.43 | 6.22 | 5.97 | 5.72 | |
| 32 x 24 x 24" | ECT-32 Corrugated | 15/150 | 11.52 | 11.08 | 10.72 | 10.29 | 9.85 | |
| 32 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 11.05 | 10.63 | 10.29 | 9.87 | 9.45 | |
| 32 x 24 x 24" | ECT-48 Double Wall Corrugated | 5/75 | 14.26 | 13.72 | 13.27 | 12.73 | 12.20 | |
| 32 x 32 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 15.61 | 15.02 | 14.53 | 13.94 | 13.35 | |
| 32 x 32 x 12" | ECT-32 Single Wall Corrugated | 10/150 | 12.74 | 12.26 | 11.86 | 11.38 | 10.90 | |
| 32 x 32 x 32" | ECT-32 Single Wall Corrugated | 5/120 | 13.61 | 13.10 | 12.67 | 12.16 | 11.64 | |
| 32 x 32 x 32" | ECT-48 Double Wall Corrugated | 5/90 | 24.68 | 23.75 | 22.97 | 22.04 | 21.11 | |
| 33 x 8 1/2 x 5" | ECT-32 Single Wall Corrugated | 25/375 | 2.68 | 2.58 | 2.49 | 2.39 | 2.29 | |
| 34 x 10 x 6" | ECT-32 Single Wall Corrugated | 10/300 | 2.38 | 2.29 | 2.21 | 2.12 | 2.03 | |
| 34 x 21 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 8.38 | 8.07 | 7.80 | 7.49 | 7.17 | |
| 34 x 34 x 34" | ECT-32 Single Wall Corrugated | 5/120 | 15.47 | 14.88 | 14.40 | 13.81 | 13.23 | |