| 27 x 14 x 9" | ECT-32 Single Wall Corrugated | 20/240 | $5.02 | $4.02 | $3.62 | $3.22 | $3.01 | |
| 27 x 27 x 27" | ECT-32 Single Wall Corrugated | 5/120 | 14.60 | 11.68 | 10.51 | 9.34 | 8.76 | |
| 28 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/625 | 2.94 | 2.35 | 2.12 | 1.88 | 1.76 | |
| 28 x 5 x 24" | FOL | 10/120 | 7.73 | 6.18 | 5.56 | 4.95 | 4.64 | |
| 28 x 5 x 38" | FOL | 20/120 | 10.86 | 8.69 | 7.82 | 6.95 | 6.52 | |
| 28 x 6 x 6" | ECT-32 Single Wall Corrugated | 20/240 | 2.33 | 1.86 | 1.68 | 1.49 | 1.40 | |
| 28 x 6 x 20" | ECT-44 Single Wall Corrugated | 5/120 | 12.44 | 9.95 | 8.95 | 7.96 | 7.46 | |
| 28 x 6 x 52" | FOL | 5/120 | 20.23 | 16.18 | 14.56 | 12.95 | 12.14 | |
| 28 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 2.68 | 2.14 | 1.93 | 1.71 | 1.61 | |
| 28 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/300 | 4.05 | 3.24 | 2.92 | 2.59 | 2.43 | |
| 28 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/300 | 3.48 | 2.79 | 2.51 | 2.23 | 2.09 | |
| 28 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/300 | 5.89 | 4.71 | 4.24 | 3.77 | 3.54 | |
| 28 x 12 x 12" | ECT-32 Single Wall Corrugated | 20/240 | 4.44 | 3.55 | 3.20 | 2.84 | 2.66 | |
| 28 x 14 x 14" | ECT-32 Single Wall Corrugated | 20/120 | 5.62 | 4.50 | 4.05 | 3.60 | 3.37 | |
| 28 x 16 x 5" | ECT-32 Single Wall Corrugated | 25/300 | 7.18 | 5.74 | 5.17 | 4.59 | 4.31 | |
| 28 x 16 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 4.95 | 3.96 | 3.56 | 3.17 | 2.97 | |
| 28 x 16 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 5.43 | 4.34 | 3.91 | 3.47 | 3.26 | |
| 28 x 16 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 5.81 | 4.64 | 4.18 | 3.72 | 3.48 | |
| 28 x 16 x 14" | ECT-32 Single Wall Corrugated | 15/120 | 6.59 | 5.27 | 4.74 | 4.22 | 3.95 | |
| 28 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 4.86 | 3.89 | 3.50 | 3.11 | 2.92 | |
| 28 x 18 x 6" | ECT-32 Single Wall Corrugated | 20/140 | 9.09 | 7.27 | 6.54 | 5.82 | 5.45 | |
| 28 x 18 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 7.50 | 6.00 | 5.40 | 4.80 | 4.50 | |
| 28 x 18 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 8.01 | 6.41 | 5.77 | 5.13 | 4.81 | |
| 28 x 18 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 6.24 | 4.99 | 4.49 | 3.99 | 3.74 | |
| 28 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/150 | 7.83 | 6.26 | 5.64 | 5.01 | 4.70 | |
| 28 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 19.03 | 15.22 | 13.70 | 12.18 | 11.42 | |
| 28 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 10.09 | 8.07 | 7.26 | 6.46 | 6.05 | |
| 28 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 7.05 | 5.64 | 5.07 | 4.51 | 4.23 | |
| 28 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 8.42 | 6.74 | 6.06 | 5.39 | 5.05 | |
| 28 x 20 x 24" | 22,20,18,16,14" | 10/120 | 15.79 | 12.63 | 11.37 | 10.10 | 9.47 | |
| 28 x 20 x 25" | ECT-32 Single Wall Corrugated | 10/120 | 10.59 | 8.47 | 7.62 | 6.78 | 6.35 | |
| 28 x 24 x 6" | ECT-32 Single Wall Corrugated | 10/240 | 7.45 | 5.96 | 5.36 | 4.77 | 4.47 | |
| 28 x 24 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 19.01 | 15.21 | 13.69 | 12.17 | 11.41 | |
| 28 x 28 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 9.71 | 7.77 | 6.99 | 6.21 | 5.82 | |
| 28 x 28 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 19.11 | 15.29 | 13.76 | 12.23 | 11.47 | |
| 28 x 28 x 10" | ECT-32 Single Wall Corrugated | 10/150 | 18.11 | 14.49 | 13.04 | 11.59 | 10.87 | |
| 28 x 28 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 10.89 | 8.72 | 7.84 | 6.97 | 6.54 | |
| 28 x 28 x 12" | ECT-48 Double Wall Corrugated | 10/90 | 34.41 | 27.53 | 24.78 | 22.02 | 20.65 | |
| 28 x 28 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 13.90 | 11.12 | 10.01 | 8.90 | 8.34 | |
| 28 x 28 x 22" | ECT-32 Single Wall Corrugated | 10/150 | 20.83 | 16.66 | 15.00 | 13.33 | 12.50 | |
| 28 x 28 x 28" | ECT-32 Single Wall Corrugated | 5/120 | 16.09 | 12.88 | 11.59 | 10.30 | 9.66 | |
| 28 x 28 x 28" | ECT-48 Double Wall Corrugated | 5/90 | 35.73 | 28.59 | 25.73 | 22.87 | 21.44 | |
| 29 x 17 x 3" | ECT-32 Single Wall Corrugated | 25/300 | 7.44 | 5.95 | 5.36 | 4.76 | 4.46 | |
| 29 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 4.93 | 3.94 | 3.55 | 3.15 | 2.96 | |
| 29 x 17 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 8.65 | 6.92 | 6.23 | 5.53 | 5.19 | |
| 29 x 17 x 9" | ECT-32 Single Wall Corrugated | 15/150 | 5.60 | 4.48 | 4.03 | 3.58 | 3.36 | |
| 29 x 17 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 6.66 | 5.33 | 4.79 | 4.26 | 3.99 | |
| 29 x 17 x 15" | ECT-32 Single Wall Corrugated | 15/150 | 7.11 | 5.68 | 5.12 | 4.55 | 4.26 | |
| 29 x 17 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 8.71 | 6.97 | 6.27 | 5.58 | 5.23 | |
| 29 x 24 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 22.47 | 17.98 | 16.18 | 14.38 | 13.48 | |
| 30 x 5 x 24" | FOL | 10/120 | 6.03 | 4.83 | 4.34 | 3.86 | 3.62 | |
| 30 x 5 x 30" | FOL | 10/120 | 6.79 | 5.43 | 4.89 | 4.34 | 4.07 | |
| 30 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/375 | 2.48 | 1.98 | 1.78 | 1.58 | 1.49 | |
| 30 x 6 x 24" | ECT-44 Corrugated | 10/140 | 14.70 | 11.76 | 10.58 | 9.41 | 8.82 | |
| 30 x 6 x 24" | Inside Telescopic HSC | 10/150 | 9.25 | 7.40 | 6.66 | 5.92 | 5.55 | |
| 30 x 6 x 30" | ECT-44 Corrugated | 10/120 | 17.19 | 13.75 | 12.37 | 11.00 | 10.31 | |
| 30 x 6 x 40" | ECT-44 Corrugated | 10/140 | 21.23 | 16.98 | 15.29 | 13.59 | 12.74 | |
| 30 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 2.99 | 2.39 | 2.15 | 1.91 | 1.79 | |
| 30 x 10 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 3.67 | 2.94 | 2.64 | 2.35 | 2.20 | |
| 30 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/375 | 5.81 | 4.65 | 4.18 | 3.72 | 3.48 | |
| 30 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 5.91 | 4.73 | 4.26 | 3.78 | 3.55 | |
| 30 x 12 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 4.62 | 3.69 | 3.32 | 2.95 | 2.77 | |
| 30 x 13 x 13" | ECT-32 Single Wall Corrugated | 20/240 | 8.26 | 6.60 | 5.94 | 5.28 | 4.95 | |
| 30 x 14 x 7" | ECT-32 Single Wall Corrugated | 10/120 | 4.24 | 3.39 | 3.05 | 2.71 | 2.54 | |
| 30 x 14 x 10" | ECT-32 Single Wall Corrugated | 10/120 | 4.89 | 3.91 | 3.52 | 3.13 | 2.93 | |
| 30 x 15 x 15" | ECT-32 Single Wall Corrugated | 15/120 | 6.40 | 5.12 | 4.61 | 4.09 | 3.84 | |
| 30 x 15 x 15" | ECT-48 Double Wall Corrugated | 10/90 | 17.08 | 13.67 | 12.30 | 10.93 | 10.25 | |
| 30 x 17 x 16" | ECT-32 Single Wall Corrugated | 15/150 | 6.94 | 5.55 | 5.00 | 4.44 | 4.16 | |
| 30 x 17 x 16" | 14,12,10" | 15/150 | 7.78 | 6.22 | 5.60 | 4.98 | 4.67 | |
| 30 x 17 x 17" | ECT-51 Double Wall Corrugated | 5/75 | 13.57 | 10.86 | 9.77 | 8.68 | 8.14 | |
| 30 x 18 x 16" | ECT-32 Corrugated | 15/150 | 12.46 | 9.97 | 8.97 | 7.97 | 7.47 | |
| 30 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/120 | 8.07 | 6.46 | 5.81 | 5.16 | 4.84 | |
| 30 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 21.60 | 17.28 | 15.55 | 13.82 | 12.96 | |
| 30 x 20 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 5.84 | 4.67 | 4.20 | 3.74 | 3.50 | |
| 30 x 20 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 9.28 | 7.43 | 6.68 | 5.94 | 5.57 | |
| 30 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 7.52 | 6.01 | 5.41 | 4.81 | 4.51 | |
| 30 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 7.75 | 6.20 | 5.58 | 4.96 | 4.65 | |
| 30 x 20 x 18" | ECT-32 Single Wall Corrugated | 15/150 | 15.15 | 12.12 | 10.91 | 9.70 | 9.09 | |
| 30 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 9.30 | 7.44 | 6.70 | 5.95 | 5.58 | |
| 30 x 20 x 20" | ECT-44 - 18,16,14,12" | 10/120 | 12.61 | 10.09 | 9.08 | 8.07 | 7.56 | |
| 30 x 20 x 20" | ECT-48 Double Wall Corrugated | 10/70 | 17.09 | 13.67 | 12.31 | 10.94 | 10.25 | |
| 30 x 24 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 10.92 | 8.74 | 7.86 | 6.99 | 6.55 | |
| 30 x 24 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 9.79 | 7.83 | 7.05 | 6.27 | 5.88 | |
| 30 x 24 x 12" | 10,8,6,4" | 15/120 | 12.21 | 9.77 | 8.79 | 7.82 | 7.33 | |
| 30 x 24 x 12" | ECT-48 Double Wall Corrugated | 10/70 | 15.67 | 12.54 | 11.28 | 10.03 | 9.40 | |
| 30 x 24 x 20" | ECT-32 Single Wall Corrugated | 15/150 | 14.99 | 11.99 | 10.79 | 9.59 | 8.99 | |
| 30 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 18.50 | 14.80 | 13.32 | 11.84 | 11.10 | |
| 30 x 26 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 18.04 | 14.43 | 12.99 | 11.54 | 10.82 | |
| 30 x 30 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 12.43 | 9.94 | 8.95 | 7.96 | 7.46 | |
| 30 x 30 x 8" | ECT-32 Single Wall Corrugated | 10/120 | 11.13 | 8.90 | 8.01 | 7.12 | 6.68 | |
| 30 x 30 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 12.71 | 10.17 | 9.15 | 8.13 | 7.62 | |
| 30 x 30 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 14.74 | 11.79 | 10.61 | 9.43 | 8.85 | |
| 30 x 30 x 12" | ECT-48 Double Wall Corrugated | 5/75 | 25.92 | 20.73 | 18.66 | 16.59 | 15.55 | |
| 30 x 30 x 16" | ECT-32 Single Wall Corrugated | 10/120 | 13.05 | 10.44 | 9.39 | 8.35 | 7.83 | |
| 30 x 30 x 16" | ECT-48 Double Wall Corrugated | 5/90 | 27.51 | 22.01 | 19.81 | 17.61 | 16.51 | |
| 30 x 30 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 24.30 | 19.44 | 17.50 | 15.55 | 14.58 | |
| 30 x 30 x 20" | ECT-48 Double Wall Corrugated | 5/90 | 31.01 | 24.80 | 22.32 | 19.84 | 18.60 | |
| 30 x 30 x 25" | ECT-32 Single Wall Corrugated | 5/120 | 15.65 | 12.52 | 11.27 | 10.02 | 9.39 | |
| 30 x 30 x 30" | ECT-32 Single Wall Corrugated | 5/120 | 18.70 | 14.96 | 13.47 | 11.97 | 11.22 | |
| 30 x 30 x 30" | ECT-48 Double Wall Corrugated | 5/75 | 30.83 | 24.66 | 22.20 | 19.73 | 18.50 | |
| 30 x 30 x 30" | ECT-90 Triple Wall Corrugated | 5/30 | 83.46 | 66.77 | 60.09 | 53.42 | 50.08 | |
| 30 1/2 x 6 1/2 x 24" | Outside Telescopic HSC | 10/150 | 9.67 | 7.74 | 6.96 | 6.19 | 5.80 | |
| 31 x 16 x 9" | ECT-32 Corrugated | 10/120 | 8.57 | 6.86 | 6.17 | 5.48 | 5.14 | |
| 32 x 6 x 6" | ECT-32 Corrugated | 25/375 | 2.61 | 2.08 | 1.88 | 1.67 | 1.56 | |
| 32 x 8 x 8" | ECT-32 Corrugated | 25/375 | 2.94 | 2.35 | 2.12 | 1.88 | 1.76 | |
| 32 x 10 x 6 1/2" | ECT-32 Corrugated | 20/240 | 5.13 | 4.10 | 3.69 | 3.28 | 3.08 | |
| 32 x 10 x 10" | ECT-32 Corrugated | 20/240 | 6.18 | 4.94 | 4.45 | 3.95 | 3.71 | |
| 32 x 12 x 10" | ECT-32 Corrugated | 20/240 | 4.54 | 3.63 | 3.27 | 2.91 | 2.72 | |
| 32 x 12 x 12" | ECT-32 Corrugated | 20/240 | 4.80 | 3.84 | 3.46 | 3.07 | 2.88 | |
| 32 x 16 x 16" | ECT-32 Corrugated | 15/150 | 11.37 | 9.10 | 8.19 | 7.28 | 6.82 | |
| 32 x 18 x 8" | ECT-32 Corrugated | 15/150 | 6.31 | 5.05 | 4.55 | 4.04 | 3.79 | |
| 32 x 18 x 12" | ECT-32 Corrugated | 15/150 | 7.47 | 5.97 | 5.38 | 4.78 | 4.48 | |
| 32 x 18 x 18" | ECT-32 Corrugated | 15/150 | 9.91 | 7.93 | 7.14 | 6.34 | 5.95 | |
| 32 x 24 x 24" | ECT-32 Corrugated | 15/150 | 17.08 | 13.67 | 12.30 | 10.93 | 10.25 | |
| 32 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 17.26 | 13.80 | 12.42 | 11.04 | 10.35 | |
| 32 x 24 x 24" | ECT-48 Double Wall Corrugated | 5/75 | 21.15 | 16.92 | 15.23 | 13.54 | 12.69 | |
| 32 x 32 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 23.15 | 18.52 | 16.67 | 14.82 | 13.89 | |
| 32 x 32 x 12" | ECT-32 Single Wall Corrugated | 10/150 | 18.90 | 15.12 | 13.60 | 12.09 | 11.34 | |
| 32 x 32 x 32" | ECT-32 Single Wall Corrugated | 5/120 | 20.19 | 16.16 | 14.54 | 12.92 | 12.12 | |
| 32 x 32 x 32" | ECT-48 Double Wall Corrugated | 5/90 | 36.61 | 29.29 | 26.36 | 23.43 | 21.97 | |
| 33 x 8 1/2 x 5" | ECT-32 Single Wall Corrugated | 25/375 | 3.97 | 3.18 | 2.86 | 2.54 | 2.38 | |
| 34 x 10 x 6" | ECT-32 Single Wall Corrugated | 10/300 | 3.53 | 2.82 | 2.54 | 2.26 | 2.12 | |
| 34 x 21 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 12.44 | 9.95 | 8.95 | 7.96 | 7.46 | |
| 34 x 34 x 34" | ECT-32 Single Wall Corrugated | 5/120 | 22.94 | 18.35 | 16.52 | 14.68 | 13.77 | |