| 27 x 14 x 9" | ECT-32 Single Wall Corrugated | 20/240 | $3.25 | $2.89 | $2.79 | $2.74 | $2.70 | |
| 27 x 27 x 27" | ECT-32 Single Wall Corrugated | 5/120 | 10.51 | 9.34 | 9.05 | 8.88 | 8.76 | |
| 28 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/625 | 2.12 | 1.88 | 1.82 | 1.79 | 1.76 | |
| 28 x 5 x 24" | FOL | 10/120 | 5.56 | 4.95 | 4.79 | 4.70 | 4.64 | |
| 28 x 5 x 38" | FOL | 20/120 | 7.82 | 6.95 | 6.74 | 6.61 | 6.52 | |
| 28 x 6 x 6" | ECT-32 Single Wall Corrugated | 20/240 | 1.68 | 1.49 | 1.44 | 1.41 | 1.40 | |
| 28 x 6 x 20" | ECT-44 Single Wall Corrugated | 5/120 | 9.85 | 8.75 | 8.48 | 8.31 | 8.21 | |
| 28 x 6 x 52" | FOL | 5/120 | 14.56 | 12.95 | 12.54 | 12.30 | 12.14 | |
| 28 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 1.93 | 1.71 | 1.66 | 1.63 | 1.61 | |
| 28 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/300 | 2.77 | 2.46 | 2.39 | 2.34 | 2.31 | |
| 28 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/300 | 2.46 | 2.18 | 2.12 | 2.08 | 2.05 | |
| 28 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/300 | 4.24 | 3.77 | 3.65 | 3.58 | 3.54 | |
| 28 x 12 x 12" | ECT-32 Single Wall Corrugated | 20/240 | 2.77 | 2.46 | 2.38 | 2.34 | 2.31 | |
| 28 x 14 x 14" | ECT-32 Single Wall Corrugated | 20/120 | 4.05 | 3.60 | 3.49 | 3.42 | 3.37 | |
| 28 x 16 x 5" | ECT-32 Single Wall Corrugated | 25/300 | 5.17 | 4.59 | 4.45 | 4.36 | 4.31 | |
| 28 x 16 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 3.56 | 3.17 | 3.07 | 3.01 | 2.97 | |
| 28 x 16 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 3.88 | 3.44 | 3.34 | 3.27 | 3.23 | |
| 28 x 16 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 4.18 | 3.72 | 3.60 | 3.53 | 3.48 | |
| 28 x 16 x 14" | ECT-32 Single Wall Corrugated | 15/120 | 4.74 | 4.22 | 4.09 | 4.01 | 3.95 | |
| 28 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 3.31 | 2.94 | 2.85 | 2.79 | 2.76 | |
| 28 x 18 x 6" | ECT-32 Single Wall Corrugated | 20/140 | 6.54 | 5.82 | 5.63 | 5.53 | 5.45 | |
| 28 x 18 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 5.40 | 4.80 | 4.65 | 4.56 | 4.50 | |
| 28 x 18 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.77 | 5.13 | 4.97 | 4.87 | 4.81 | |
| 28 x 18 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 4.49 | 3.99 | 3.87 | 3.79 | 3.74 | |
| 28 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/150 | 4.91 | 4.37 | 4.23 | 4.15 | 4.09 | |
| 28 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 13.70 | 12.18 | 11.80 | 11.57 | 11.42 | |
| 28 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 7.26 | 6.46 | 6.25 | 6.13 | 6.05 | |
| 28 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 5.07 | 4.51 | 4.37 | 4.29 | 4.23 | |
| 28 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 6.06 | 5.39 | 5.22 | 5.12 | 5.05 | |
| 28 x 20 x 24" | 22,20,18,16,14" | 10/120 | 11.15 | 9.91 | 9.60 | 9.42 | 9.29 | |
| 28 x 20 x 25" | ECT-32 Single Wall Corrugated | 10/120 | 7.62 | 6.78 | 6.56 | 6.44 | 6.35 | |
| 28 x 24 x 6" | ECT-32 Single Wall Corrugated | 10/240 | 5.36 | 4.77 | 4.62 | 4.53 | 4.47 | |
| 28 x 24 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 13.69 | 12.17 | 11.79 | 11.56 | 11.41 | |
| 28 x 28 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 6.99 | 6.21 | 6.02 | 5.90 | 5.82 | |
| 28 x 28 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 13.76 | 12.23 | 11.85 | 11.62 | 11.47 | |
| 28 x 28 x 10" | ECT-32 Single Wall Corrugated | 10/150 | 13.04 | 11.59 | 11.23 | 11.01 | 10.87 | |
| 28 x 28 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 7.84 | 6.97 | 6.75 | 6.62 | 6.54 | |
| 28 x 28 x 12" | ECT-48 Double Wall Corrugated | 10/90 | 24.78 | 22.02 | 21.33 | 20.92 | 20.65 | |
| 28 x 28 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 9.80 | 8.71 | 8.44 | 8.28 | 8.17 | |
| 28 x 28 x 22" | ECT-32 Single Wall Corrugated | 10/150 | 15.00 | 13.33 | 12.91 | 12.66 | 12.50 | |
| 28 x 28 x 28" | ECT-32 Single Wall Corrugated | 5/120 | 11.34 | 10.08 | 9.76 | 9.57 | 9.45 | |
| 28 x 28 x 28" | ECT-48 Double Wall Corrugated | 5/90 | 25.73 | 22.87 | 22.15 | 21.73 | 21.44 | |
| 29 x 17 x 3" | ECT-32 Single Wall Corrugated | 25/300 | 5.36 | 4.76 | 4.61 | 4.52 | 4.46 | |
| 29 x 17 x 5" | ECT-32 Single Wall Corrugated | 15/300 | 3.55 | 3.15 | 3.06 | 3.00 | 2.96 | |
| 29 x 17 x 7" | ECT-32 Single Wall Corrugated | 20/240 | 6.23 | 5.53 | 5.36 | 5.26 | 5.19 | |
| 29 x 17 x 9" | ECT-32 Single Wall Corrugated | 15/150 | 4.03 | 3.58 | 3.47 | 3.40 | 3.36 | |
| 29 x 17 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 4.77 | 4.24 | 4.11 | 4.03 | 3.97 | |
| 29 x 17 x 15" | ECT-32 Single Wall Corrugated | 15/150 | 5.10 | 4.53 | 4.39 | 4.30 | 4.25 | |
| 29 x 17 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 6.27 | 5.58 | 5.40 | 5.30 | 5.23 | |
| 29 x 24 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 16.18 | 14.38 | 13.93 | 13.66 | 13.48 | |
| 30 x 5 x 24" | FOL | 10/120 | 3.79 | 3.37 | 3.26 | 3.20 | 3.16 | |
| 30 x 5 x 30" | FOL | 10/120 | 4.89 | 4.34 | 4.21 | 4.13 | 4.07 | |
| 30 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/375 | 1.74 | 1.55 | 1.50 | 1.47 | 1.45 | |
| 30 x 6 x 24" | ECT-44 Corrugated | 10/140 | 10.58 | 9.41 | 9.11 | 8.94 | 8.82 | |
| 30 x 6 x 24" | Inside Telescopic HSC | 10/150 | 6.57 | 5.84 | 5.66 | 5.55 | 5.48 | |
| 30 x 6 x 30" | ECT-44 Corrugated | 10/120 | 12.37 | 11.00 | 10.66 | 10.45 | 10.31 | |
| 30 x 6 x 40" | ECT-44 Corrugated | 10/140 | 15.29 | 13.59 | 13.16 | 12.91 | 12.74 | |
| 30 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/375 | 2.15 | 1.91 | 1.85 | 1.82 | 1.79 | |
| 30 x 10 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 2.64 | 2.35 | 2.28 | 2.23 | 2.20 | |
| 30 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/375 | 4.18 | 3.72 | 3.60 | 3.53 | 3.48 | |
| 30 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 4.26 | 3.78 | 3.66 | 3.59 | 3.55 | |
| 30 x 12 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 3.32 | 2.95 | 2.86 | 2.81 | 2.77 | |
| 30 x 13 x 13" | ECT-32 Single Wall Corrugated | 20/240 | 5.94 | 5.28 | 5.12 | 5.02 | 4.95 | |
| 30 x 14 x 7" | ECT-32 Single Wall Corrugated | 10/120 | 2.67 | 2.37 | 2.30 | 2.26 | 2.23 | |
| 30 x 14 x 10" | ECT-32 Single Wall Corrugated | 10/120 | 3.52 | 3.13 | 3.03 | 2.97 | 2.93 | |
| 30 x 15 x 15" | ECT-32 Single Wall Corrugated | 15/120 | 4.61 | 4.09 | 3.97 | 3.89 | 3.84 | |
| 30 x 15 x 15" | ECT-48 Double Wall Corrugated | 10/90 | 12.30 | 10.93 | 10.59 | 10.39 | 10.25 | |
| 30 x 17 x 16" | ECT-32 Single Wall Corrugated | 15/150 | 4.35 | 3.86 | 3.74 | 3.67 | 3.62 | |
| 30 x 17 x 16" | 14,12,10" | 15/150 | 5.60 | 4.98 | 4.82 | 4.73 | 4.67 | |
| 30 x 17 x 17" | ECT-51 Double Wall Corrugated | 5/75 | 9.49 | 8.44 | 8.18 | 8.02 | 7.91 | |
| 30 x 18 x 16" | ECT-32 Corrugated | 15/150 | 8.97 | 7.97 | 7.72 | 7.57 | 7.47 | |
| 30 x 18 x 18" | ECT-32 Single Wall Corrugated | 10/120 | 5.81 | 5.16 | 5.00 | 4.91 | 4.84 | |
| 30 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/90 | 15.55 | 13.82 | 13.39 | 13.13 | 12.96 | |
| 30 x 20 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 4.20 | 3.74 | 3.62 | 3.55 | 3.50 | |
| 30 x 20 x 8" | ECT-32 Single Wall Corrugated | 15/150 | 6.68 | 5.94 | 5.76 | 5.64 | 5.57 | |
| 30 x 20 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 5.07 | 4.51 | 4.37 | 4.28 | 4.23 | |
| 30 x 20 x 12" | ECT-32 Single Wall Corrugated | 15/150 | 5.58 | 4.96 | 4.81 | 4.71 | 4.65 | |
| 30 x 20 x 18" | ECT-32 Single Wall Corrugated | 15/150 | 9.88 | 8.78 | 8.51 | 8.34 | 8.23 | |
| 30 x 20 x 20" | ECT-32 Single Wall Corrugated | 10/120 | 6.70 | 5.95 | 5.77 | 5.65 | 5.58 | |
| 30 x 20 x 20" | ECT-44 - 18,16,14,12" | 10/120 | 9.08 | 8.07 | 7.82 | 7.67 | 7.56 | |
| 30 x 20 x 20" | ECT-48 Double Wall Corrugated | 10/70 | 12.24 | 10.88 | 10.54 | 10.33 | 10.20 | |
| 30 x 24 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 7.70 | 6.84 | 6.63 | 6.50 | 6.42 | |
| 30 x 24 x 12" | ECT-32 Single Wall Corrugated | 15/120 | 7.05 | 6.27 | 6.07 | 5.95 | 5.88 | |
| 30 x 24 x 12" | 10,8,6,4" | 15/120 | 8.79 | 7.82 | 7.57 | 7.42 | 7.33 | |
| 30 x 24 x 12" | ECT-48 Double Wall Corrugated | 10/70 | 11.28 | 10.03 | 9.72 | 9.53 | 9.40 | |
| 30 x 24 x 20" | ECT-32 Single Wall Corrugated | 15/150 | 10.79 | 9.59 | 9.29 | 9.11 | 8.99 | |
| 30 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 13.95 | 12.40 | 12.01 | 11.78 | 11.63 | |
| 30 x 26 x 24" | ECT-32 Single Wall Corrugated | 10/150 | 12.99 | 11.54 | 11.18 | 10.97 | 10.82 | |
| 30 x 30 x 6" | ECT-32 Single Wall Corrugated | 15/150 | 8.95 | 7.96 | 7.71 | 7.56 | 7.46 | |
| 30 x 30 x 8" | ECT-32 Single Wall Corrugated | 10/120 | 7.93 | 7.05 | 6.83 | 6.69 | 6.61 | |
| 30 x 30 x 10" | ECT-32 Single Wall Corrugated | 15/150 | 8.88 | 7.89 | 7.65 | 7.50 | 7.40 | |
| 30 x 30 x 12" | ECT-32 Single Wall Corrugated | 10/120 | 10.61 | 9.43 | 9.14 | 8.96 | 8.85 | |
| 30 x 30 x 12" | ECT-48 Double Wall Corrugated | 5/75 | 18.66 | 16.59 | 16.07 | 15.76 | 15.55 | |
| 30 x 30 x 16" | ECT-32 Single Wall Corrugated | 10/120 | 9.39 | 8.35 | 8.09 | 7.93 | 7.83 | |
| 30 x 30 x 16" | ECT-48 Double Wall Corrugated | 5/90 | 19.81 | 17.61 | 17.06 | 16.73 | 16.51 | |
| 30 x 30 x 20" | ECT-32 Single Wall Corrugated | 10/150 | 17.50 | 15.55 | 15.07 | 14.77 | 14.58 | |
| 30 x 30 x 20" | ECT-48 Double Wall Corrugated | 5/90 | 22.32 | 19.84 | 19.22 | 18.85 | 18.60 | |
| 30 x 30 x 25" | ECT-32 Single Wall Corrugated | 5/120 | 11.27 | 10.02 | 9.70 | 9.52 | 9.39 | |
| 30 x 30 x 30" | ECT-32 Single Wall Corrugated | 5/120 | 13.47 | 11.97 | 11.60 | 11.37 | 11.22 | |
| 30 x 30 x 30" | ECT-48 Double Wall Corrugated | 5/75 | 22.20 | 19.73 | 19.11 | 18.74 | 18.50 | |
| 30 x 30 x 30" | ECT-90 Triple Wall Corrugated | 5/30 | 60.09 | 53.42 | 51.75 | 50.75 | 50.08 | |
| 30 1/2 x 6 1/2 x 24" | Outside Telescopic HSC | 10/150 | 6.89 | 6.13 | 5.94 | 5.82 | 5.75 | |
| 31 x 16 x 9" | ECT-32 Corrugated | 10/120 | 6.17 | 5.48 | 5.31 | 5.21 | 5.14 | |
| 32 x 6 x 6" | ECT-32 Corrugated | 25/375 | 1.88 | 1.67 | 1.62 | 1.58 | 1.56 | |
| 32 x 8 x 8" | ECT-32 Corrugated | 25/375 | 2.12 | 1.88 | 1.82 | 1.79 | 1.76 | |
| 32 x 10 x 6 1/2" | ECT-32 Corrugated | 20/240 | 3.69 | 3.28 | 3.18 | 3.12 | 3.08 | |
| 32 x 10 x 10" | ECT-32 Corrugated | 20/240 | 4.45 | 3.95 | 3.83 | 3.76 | 3.71 | |
| 32 x 12 x 10" | ECT-32 Corrugated | 20/240 | 2.97 | 2.64 | 2.56 | 2.51 | 2.48 | |
| 32 x 12 x 12" | ECT-32 Corrugated | 20/240 | 3.31 | 2.94 | 2.85 | 2.79 | 2.76 | |
| 32 x 16 x 16" | ECT-32 Corrugated | 15/150 | 8.19 | 7.28 | 7.05 | 6.91 | 6.82 | |
| 32 x 18 x 8" | ECT-32 Corrugated | 15/150 | 4.55 | 4.04 | 3.92 | 3.84 | 3.79 | |
| 32 x 18 x 12" | ECT-32 Corrugated | 15/150 | 5.15 | 4.58 | 4.43 | 4.35 | 4.29 | |
| 32 x 18 x 18" | ECT-32 Corrugated | 15/150 | 7.14 | 6.34 | 6.15 | 6.03 | 5.95 | |
| 32 x 24 x 24" | ECT-32 Corrugated | 15/150 | 12.30 | 10.93 | 10.59 | 10.39 | 10.25 | |
| 32 x 24 x 24" | ECT-44 - 22,20,18,16,14" | 10/120 | 12.42 | 11.04 | 10.70 | 10.49 | 10.35 | |
| 32 x 24 x 24" | ECT-48 Double Wall Corrugated | 5/75 | 15.23 | 13.54 | 13.11 | 12.86 | 12.69 | |
| 32 x 32 x 8" | ECT-32 Single Wall Corrugated | 10/150 | 16.67 | 14.82 | 14.36 | 14.08 | 13.89 | |
| 32 x 32 x 12" | ECT-32 Single Wall Corrugated | 10/150 | 13.60 | 12.09 | 11.71 | 11.49 | 11.34 | |
| 32 x 32 x 32" | ECT-32 Single Wall Corrugated | 5/120 | 14.54 | 12.92 | 12.52 | 12.28 | 12.12 | |
| 32 x 32 x 32" | ECT-48 Double Wall Corrugated | 5/90 | 26.36 | 23.43 | 22.70 | 22.26 | 21.97 | |
| 33 x 8 1/2 x 5" | ECT-32 Single Wall Corrugated | 25/375 | 2.86 | 2.54 | 2.46 | 2.41 | 2.38 | |
| 34 x 10 x 6" | ECT-32 Single Wall Corrugated | 10/300 | 2.54 | 2.26 | 2.19 | 2.14 | 2.12 | |
| 34 x 21 x 6" | ECT-32 Single Wall Corrugated | 10/120 | 8.95 | 7.96 | 7.71 | 7.56 | 7.46 | |
| 34 x 34 x 34" | ECT-32 Single Wall Corrugated | 5/120 | 16.52 | 14.68 | 14.22 | 13.95 | 13.77 | |