| 27 x 14 x 9" | ECT-32 Single Wall Corrugated | 20/240 | $4.40 | $4.20 | $4.04 | $3.88 | $3.44 | |
| 27 x 27 x 27" | ECT-32 Single Wall Corrugated | 5/120 | 8.50 | 8.00 | 7.50 | 7.00 | 6.50 | |
| 28 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/625 | 1.50 | 1.50 | 1.50 | 1.50 | 1.50 | |
| 28 x 5 x 24" | FOL | 10/120 | 4.30 | 3.89 | 3.76 | 3.57 | 3.22 | |
| 28 x 5 x 38" | FOL | 20/120 | 6.99 | 6.77 | 6.55 | 6.11 | 5.68 | |
| 28 x 6 x 6" | ECT-32 Single Wall Corrugated | 20/240 | 1.65 | 1.50 | 1.45 | 1.35 | 1.19 | |
| 28 x 6 x 20" | ECT-44 Single Wall Corrugated | 5/120 | 6.35 | 6.35 | 6.35 | 6.35 | 6.35 | |
| 28 x 6 x 52" | FOL | 5/120 | 12.19 | 11.38 | 10.57 | 10.16 | 9.76 | |
| 28 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 2.00 | 1.77 | 1.66 | 1.57 | 1.46 | |
| 28 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/300 | 2.81 | 2.60 | 2.40 | 2.24 | 2.02 | |
| 28 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/300 | 2.74 | 2.51 | 2.35 | 2.18 | 1.99 | |
| 28 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/300 | 3.01 | 3.01 | 3.01 | 3.01 | 3.01 | |
| 28 x 12 x 12" | ECT-32 Single Wall Corrugated | 20/240 | 3.27 | 3.12 | 2.87 | 2.64 | 2.50 | |
| 28 x 14 x 14" | ECT-32 Single Wall Corrugated | 20/120 | 4.40 | 4.11 | 3.80 | 3.56 | 3.20 | |
| 28 x 16 x 5" | ECT-32 Single Wall Corrugated | 25/300 | 3.66 | 3.66 | 3.66 | 3.66 | 3.66 | |
| 28 x 16 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 3.92 | 3.64 | 3.35 | 3.15 | 2.85 | |
| 28 x 16 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 4.20 | 3.90 | 3.64 | 3.32 | 3.10 | |
| 28 x 16 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 4.54 | 4.20 | 3.93 | 3.57 | 3.31 | |
| 28 x 16 x 14" | ECT-32 Single Wall Corrugated | 15/120 | 4.75 | 4.38 | 4.16 | 3.74 | 3.49 | |
| 28 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 3.85 | 3.51 | 3.29 | 3.11 | 2.82 | |
| 28 x 18 x 6" | ECT-32 Single Wall Corrugated | 20/140 | 4.75 | 4.75 | 4.75 | 4.75 | 4.75 | |
| 28 x 18 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 3.83 | 3.83 | 3.83 | 3.83 | 3.83 | |
| 28 x 18 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 4.09 | 4.09 | 4.09 | 4.09 | 4.09 | |
| 28 x 18 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 4.89 | 4.46 | 4.19 | 3.83 | 3.49 | |
| 28 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/150 | 5.27 | 4.88 | 4.25 | 4.11 | 3.80 | |
| 28 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 9.38 | 9.38 | 9.38 | 9.38 | 9.38 | |
| 28 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.72 | 5.72 | 5.72 | 5.72 | 5.72 | |
| 28 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 5.10 | 4.72 | 4.34 | 4.00 | 3.69 | |
| 28 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 6.25 | 5.60 | 5.48 | 5.00 | 4.65 | |
| 28 x 20 x 24" | 22,20,18,16,14" | 10/120 | 7.00 | 7.00 | 7.00 | 6.50 | 6.00 | |
| 28 x 20 x 25" | ECT-32 Single Wall Corrugated | 10/120 | 7.70 | 7.27 | 6.97 | 6.50 | 6.07 | |
| 28 x 24 x 6" | ECT-32 Single Wall Corrugated | 10/240 | 5.25 | 4.80 | 4.50 | 4.18 | 3.87 | |
| 28 x 24 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 8.90 | 8.90 | 8.90 | 8.90 | 8.90 | |
| 28 x 28 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 6.00 | 5.73 | 5.40 | 5.15 | 4.66 | |
| 28 x 28 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 8.00 | 8.00 | 8.00 | 8.00 | 8.00 | |
| 28 x 28 x 10" | ECT-32 Single Wall Corrugated | 10/150 | 8.34 | 8.34 | 8.34 | 8.34 | 8.34 | |
| 28 x 28 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 6.60 | 6.34 | 5.92 | 5.70 | 5.00 | |
| 28 x 28 x 12" | ECT-48 Double Wall Corrugated | 10/90 | 14.90 | 14.90 | 14.90 | 14.90 | 14.90 | |
| 28 x 28 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 8.25 | 7.59 | 7.43 | 6.94 | 6.54 | |
| 28 x 28 x 22" | ECT-32 Single Wall Corrugated | 10/150 | 10.93 | 10.93 | 10.93 | 10.93 | 10.93 | |
| 28 x 28 x 28" | ECT-32 Single Wall Corrugated | 5/120 | 9.50 | 8.70 | 8.25 | 8.00 | 7.50 | |
| 28 x 28 x 28" | ECT-48 Double Wall Corrugated | 5/90 | 18.24 | 18.24 | 18.24 | 18.24 | 18.24 | |
| 29 x 17 x 3" | ECT-32 Single Wall Corrugated | 25/300 | 4.11 | 4.11 | 4.11 | 4.11 | 4.11 | |
| 29 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 3.51 | 3.33 | 3.11 | 2.88 | 2.70 | |
| 29 x 17 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 4.75 | 4.75 | 4.75 | 4.75 | 4.75 | |
| 29 x 17 x 9" | ECT-32 Single Wall Corrugated | 15/150 | 4.19 | 3.91 | 3.70 | 3.35 | 3.13 | |
| 29 x 17 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.44 | 4.20 | 3.91 | 3.64 | 3.33 | |
| 29 x 17 x 15" | ECT-32 Single Wall Corrugated | 15/150 | 4.81 | 4.46 | 4.17 | 3.84 | 3.57 | |
| 29 x 17 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 5.30 | 4.93 | 4.67 | 4.33 | 4.00 | |
| 29 x 24 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 10.95 | 10.95 | 10.95 | 10.95 | 10.95 | |
| 30 x 5 x 24" | FOL | 10/120 | 3.03 | 3.03 | 3.02 | 3.01 | 2.98 | |
| 30 x 5 x 30" | FOL | 10/120 | 3.83 | 3.75 | 3.62 | 3.49 | 3.36 | |
| 30 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/375 | 1.92 | 1.72 | 1.55 | 1.45 | 1.38 | |
| 30 x 6 x 24" | ECT-44 Corrugated | 10/140 | 7.50 | 7.50 | 7.50 | 7.50 | 7.50 | |
| 30 x 6 x 24" | Inside Telescopic HSC | 10/150 | 4.53 | 4.53 | 4.53 | 4.53 | 4.53 | |
| 30 x 6 x 30" | ECT-44 Corrugated | 10/120 | 8.77 | 8.77 | 8.77 | 8.77 | 8.77 | |
| 30 x 6 x 40" | ECT-44 Corrugated | 10/140 | 10.84 | 10.84 | 10.84 | 10.84 | 10.84 | |
| 30 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 2.14 | 2.00 | 1.80 | 1.70 | 1.57 | |
| 30 x 10 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 2.40 | 2.20 | 2.04 | 1.95 | 1.78 | |
| 30 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/375 | 2.91 | 2.91 | 2.91 | 2.91 | 2.91 | |
| 30 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 3.02 | 3.02 | 3.02 | 3.02 | 3.02 | |
| 30 x 12 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 3.30 | 3.15 | 2.85 | 2.66 | 2.57 | |
| 30 x 13 x 13" | ECT-32 Single Wall Corrugated | 20/240 | 4.21 | 4.21 | 4.21 | 4.21 | 4.21 | |
| 30 x 14 x 7" | ECT-32 Single Wall Corrugated | 10/120 | 3.00 | 2.81 | 2.70 | 2.55 | 2.40 | |
| 30 x 14 x 10" | ECT-32 Single Wall Corrugated | 10/120 | 3.47 | 3.25 | 3.09 | 2.81 | 2.60 | |
| 30 x 15 x 15" | ECT-32 Single Wall Corrugated | 15/120 | 4.48 | 4.18 | 3.85 | 3.61 | 3.24 | |
| 30 x 15 x 15" | ECT-48 Double Wall Corrugated | 10/90 | 8.72 | 8.72 | 8.72 | 8.72 | 8.72 | |
| 30 x 17 x 16" | ECT-32 Single Wall Corrugated | 15/150 | 4.80 | 4.50 | 4.15 | 3.90 | 3.65 | |
| 30 x 17 x 16" | 14,12,10" | 15/150 | 5.30 | 4.90 | 4.50 | 4.20 | 4.00 | |
| 30 x 17 x 17" | ECT-51 Double Wall Corrugated | 5/75 | 14.37 | 13.45 | 13.09 | 12.32 | 11.81 | |
| 30 x 18 x 16" | ECT-32 Corrugated | 15/150 | 6.08 | 6.08 | 6.08 | 6.08 | 6.08 | |
| 30 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/120 | 5.75 | 5.05 | 4.99 | 4.55 | 4.20 | |
| 30 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 11.02 | 11.02 | 11.02 | 11.02 | 11.02 | |
| 30 x 20 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 3.70 | 3.46 | 3.26 | 3.00 | 2.83 | |
| 30 x 20 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 5.11 | 5.11 | 5.11 | 5.11 | 5.11 | |
| 30 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 4.25 | 3.95 | 3.75 | 3.50 | 3.20 | |
| 30 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.55 | 4.25 | 4.00 | 3.70 | 3.49 | |
| 30 x 20 x 18" | ECT-32 Single Wall Corrugated | 15/150 | 7.00 | 7.00 | 7.00 | 7.00 | 7.00 | |
| 30 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 6.55 | 5.85 | 5.70 | 5.30 | 4.85 | |
| 30 x 20 x 20" | ECT-44 - 18,16,14,12" | 10/120 | 8.00 | 7.50 | 7.00 | 6.50 | 5.90 | |
| 30 x 20 x 20" | ECT-48 Double Wall Corrugated | 10/70 | 11.50 | 11.00 | 10.50 | 10.00 | 9.00 | |
| 30 x 24 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.55 | 5.07 | 4.70 | 4.40 | 4.10 | |
| 30 x 24 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 5.81 | 5.33 | 4.89 | 4.59 | 4.24 | |
| 30 x 24 x 12" | 10,8,6,4" | 15/120 | 6.97 | 6.73 | 6.25 | 6.01 | 5.77 | |
| 30 x 24 x 12" | ECT-48 Double Wall Corrugated | 10/70 | 11.00 | 10.25 | 9.75 | 9.25 | 8.88 | |
| 30 x 24 x 20" | ECT-32 Single Wall Corrugated | 15/150 | 8.34 | 8.05 | 7.75 | 7.45 | 7.27 | |
| 30 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 11.00 | 10.00 | 9.50 | 8.50 | 8.00 | |
| 30 x 26 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 11.51 | 11.51 | 11.51 | 11.51 | 11.51 | |
| 30 x 30 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 6.90 | 6.36 | 6.03 | 5.71 | 5.25 | |
| 30 x 30 x 8" | ECT-32 Single Wall Corrugated | 10/120 | 7.10 | 6.60 | 6.30 | 5.90 | 5.50 | |
| 30 x 30 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 7.35 | 6.80 | 6.50 | 6.15 | 5.60 | |
| 30 x 30 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 7.55 | 6.97 | 6.59 | 6.19 | 5.76 | |
| 30 x 30 x 12" | ECT-48 Double Wall Corrugated | 5/75 | 13.23 | 13.23 | 13.23 | 13.23 | 13.23 | |
| 30 x 30 x 16" | ECT-32 Single Wall Corrugated | 10/120 | 7.99 | 7.30 | 7.00 | 6.59 | 5.99 | |
| 30 x 30 x 16" | ECT-48 Double Wall Corrugated | 5/90 | 14.04 | 14.04 | 14.04 | 14.04 | 14.04 | |
| 30 x 30 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 11.95 | 11.95 | 11.95 | 11.95 | 11.95 | |
| 30 x 30 x 20" | ECT-48 Double Wall Corrugated | 5/90 | 15.82 | 15.82 | 15.82 | 15.82 | 15.82 | |
| 30 x 30 x 25" | ECT-32 Single Wall Corrugated | 5/120 | 9.53 | 8.79 | 8.51 | 7.63 | 7.40 | |
| 30 x 30 x 30" | ECT-32 Single Wall Corrugated | 5/120 | 11.00 | 10.00 | 9.50 | 9.00 | 8.50 | |
| 30 x 30 x 30" | ECT-48 Double Wall Corrugated | 5/75 | 21.00 | 20.00 | 19.00 | 18.00 | 17.00 | |
| 30 x 30 x 30" | ECT-90 Triple Wall Corrugated | 5/30 | 69.20 | 64.26 | 61.79 | 59.32 | 59.32 | |
| 30 1/2 x 6 1/2 x 24" | Outside Telescopic HSC | 10/150 | 4.74 | 4.74 | 4.74 | 4.74 | 4.74 | |
| 31 x 16 x 9" | ECT-32 Corrugated | 10/120 | 4.40 | 4.40 | 4.40 | 4.40 | 4.40 | |
| 32 x 6 x 6" | ECT-32 Corrugated | 25/375 | 2.13 | 1.89 | 1.75 | 1.56 | 1.43 | |
| 32 x 8 x 8" | ECT-32 Corrugated | 25/375 | 2.20 | 2.00 | 1.85 | 1.75 | 1.60 | |
| 32 x 10 x 6 1/2" | ECT-32 Corrugated | 20/240 | 2.63 | 2.63 | 2.63 | 2.63 | 2.63 | |
| 32 x 10 x 10" | ECT-32 Corrugated | 20/240 | 3.15 | 3.15 | 3.15 | 3.15 | 3.15 | |
| 32 x 12 x 10" | ECT-32 Corrugated | 20/240 | 3.27 | 3.00 | 2.82 | 2.66 | 2.40 | |
| 32 x 12 x 12" | ECT-32 Corrugated | 20/240 | 3.50 | 3.23 | 3.00 | 2.86 | 2.59 | |
| 32 x 16 x 16" | ECT-32 Corrugated | 15/150 | 5.68 | 5.68 | 5.68 | 5.68 | 5.68 | |
| 32 x 18 x 8" | ECT-32 Corrugated | 15/150 | 4.30 | 4.00 | 3.77 | 3.49 | 3.27 | |
| 32 x 18 x 12" | ECT-32 Corrugated | 15/150 | 4.40 | 4.20 | 3.90 | 3.60 | 3.40 | |
| 32 x 18 x 18" | ECT-32 Corrugated | 15/150 | 5.06 | 5.06 | 5.06 | 5.06 | 5.06 | |
| 32 x 24 x 24" | ECT-32 Corrugated | 15/150 | 11.26 | 10.50 | 9.61 | 9.13 | 8.44 | |
| 32 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 8.30 | 8.30 | 8.20 | 8.10 | 7.77 | |
| 32 x 24 x 24" | ECT-48 Double Wall Corrugated | 5/75 | 13.50 | 12.50 | 12.00 | 11.50 | 11.00 | |
| 32 x 32 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 11.48 | 11.48 | 11.48 | 11.48 | 11.48 | |
| 32 x 32 x 12" | ECT-32 Single Wall Corrugated | 10/150 | 9.64 | 9.64 | 9.64 | 9.64 | 9.64 | |
| 32 x 32 x 32" | ECT-32 Single Wall Corrugated | 5/120 | 12.12 | 11.50 | 11.11 | 10.49 | 10.10 | |
| 32 x 32 x 32" | ECT-48 Double Wall Corrugated | 5/90 | 24.00 | 22.00 | 21.00 | 20.00 | 19.00 | |
| 33 x 8 1/2 x 5" | ECT-32 Single Wall Corrugated | 25/375 | 2.03 | 2.03 | 2.03 | 2.03 | 2.03 | |
| 34 x 10 x 6" | ECT-32 Single Wall Corrugated | 10/300 | 2.46 | 2.25 | 2.11 | 2.00 | 1.87 | |
| 34 x 21 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 6.35 | 6.35 | 6.35 | 6.35 | 6.35 | |
| 34 x 34 x 34" | ECT-32 Single Wall Corrugated | 5/120 | 13.22 | 12.44 | 11.99 | 11.66 | 11.33 | |