| 17 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/750 | $1.03 | $.97 | $.90 | $.86 | $.84 | |
| 17 x 7 x 7" | ECT-32-B Corrugated | 25/750 | 1.73 | 1.62 | 1.51 | 1.45 | 1.41 | |
| 17 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/500 | 1.28 | 1.20 | 1.12 | 1.07 | 1.04 | |
| 17 x 8 1/2 x 9 5/16" | ECT-44 Single Wall Corrugated | 25/600 | 8.51 | 7.98 | 7.45 | 7.13 | 6.92 | |
| 17 x 9 x 9" | ECT-32 Single Wall Corrugated | 25/250 | 1.47 | 1.38 | 1.29 | 1.23 | 1.19 | |
| 17 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/250 | 1.69 | 1.58 | 1.48 | 1.41 | 1.37 | |
| 17 x 11 x 8" | ECT-32 Single Wall Corrugated | 25/500 | 2.39 | 2.24 | 2.09 | 2.00 | 1.94 | |
| 17 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/300 | 2.56 | 2.40 | 2.24 | 2.14 | 2.08 | |
| 17 x 12 x 10" | ECT-32 Single Wall Corrugated | 25/250 | 1.98 | 1.86 | 1.74 | 1.66 | 1.61 | |
| 17 x 12 x 12" | ECT-32 Single Wall Corrugated | 25/250 | 2.41 | 2.26 | 2.11 | 2.02 | 1.96 | |
| 17 x 13 x 5" | ECT-32 Single Wall Corrugated | 25/500 | 1.69 | 1.59 | 1.48 | 1.42 | 1.38 | |
| 17 x 13 x 7" | ECT-32 Single Wall Corrugated | 25/300 | 2.94 | 2.76 | 2.57 | 2.46 | 2.39 | |
| 17 x 13 x 13" | ECT-32 Single Wall Corrugated | 25/250 | 2.43 | 2.28 | 2.13 | 2.04 | 1.98 | |
| 17 x 14 x 5" | ECT-32 Single Wall Corrugated | 25/250 | 1.84 | 1.72 | 1.61 | 1.54 | 1.49 | |
| 17 x 14 x 9" | ECT-32 Single Wall Corrugated | 25/250 | 2.33 | 2.18 | 2.04 | 1.95 | 1.89 | |
| 17 x 14 x 10" | ECT-32 Single Wall Corrugated | 25/250 | 2.30 | 2.16 | 2.02 | 1.93 | 1.87 | |
| 17 x 14 x 12" | ECT-32 Single Wall Corrugated | 25/250 | 2.46 | 2.31 | 2.15 | 2.06 | 2.00 | |
| 17 x 14 x 14" | ECT-32 Single Wall Corrugated | 25/250 | 2.68 | 2.51 | 2.34 | 2.24 | 2.18 | |
| 17 x 17 x 4" | ECT-32 Single Wall Corrugated | 25/300 | 2.31 | 2.16 | 2.02 | 1.93 | 1.87 | |
| 17 x 17 x 6" | ECT-32 Single Wall Corrugated | 20/240 | 2.42 | 2.27 | 2.12 | 2.03 | 1.96 | |
| 17 x 17 x 8" | ECT-32 Single Wall Corrugated | 20/240 | 2.64 | 2.47 | 2.31 | 2.21 | 2.14 | |
| 17 x 17 x 9" | ECT-32 Single Wall Corrugated | 25/300 | 4.29 | 4.02 | 3.75 | 3.59 | 3.48 | |
| 17 x 17 x 9 5/16" | ECT-44 Single Wall Corrugated | 10/240 | 13.28 | 12.45 | 11.62 | 11.12 | 10.79 | |
| 17 x 17 x 10" | ECT-32 Single Wall Corrugated | 25/250 | 2.85 | 2.67 | 2.49 | 2.38 | 2.31 | |
| 17 x 17 x 12" | ECT-32 Single Wall Corrugated | 25/250 | 3.22 | 3.02 | 2.82 | 2.70 | 2.62 | |
| 17 x 17 x 14" | ECT-32 Single Wall Corrugated | 25/125 | 3.44 | 3.23 | 3.01 | 2.88 | 2.80 | |
| 17 x 17 x 17" | ECT-32 Single Wall Corrugated | 25/150 | 3.57 | 3.34 | 3.12 | 2.99 | 2.90 | |
| 17 x 17 x 17" | 15,13,11" | 25/150 | 3.44 | 3.23 | 3.01 | 2.88 | 2.80 | |
| 17 x 17 x 17" | ECT-48 Double Wall Corrugated | 10/90 | 9.89 | 9.27 | 8.65 | 8.28 | 8.03 | |
| 17 1/4 x 11 1/4 x 4" | ECT-32 Single Wall Corrugated | 25/500 | 1.36 | 1.27 | 1.19 | 1.14 | 1.10 | |
| 17 1/4 x 11 1/4 x 5" | ECT-32 Single Wall Corrugated | 25/500 | 1.45 | 1.36 | 1.27 | 1.21 | 1.18 | |
| 17 1/4 x 11 1/4 x 6" | Double Ream | 25/500 | 1.48 | 1.39 | 1.30 | 1.24 | 1.21 | |
| 17 1/4 x 11 1/4 x 6" | 4" | 25/500 | 1.54 | 1.45 | 1.35 | 1.29 | 1.25 | |
| 17 1/4 x 11 1/4 x 6" | White | 25/500 | 1.69 | 1.59 | 1.48 | 1.42 | 1.38 | |
| 17 1/4 x 11 1/4 x 6" | ECT-44 Single Wall Corrugated | 25/250 | 2.05 | 1.92 | 1.80 | 1.72 | 1.67 | |
| 17 1/4 x 11 1/4 x 7" | Double Ream | 25/500 | 1.61 | 1.51 | 1.41 | 1.35 | 1.31 | |
| 17 1/4 x 11 1/4 x 8" | Double Ream | 25/500 | 1.61 | 1.51 | 1.41 | 1.35 | 1.31 | |
| 17 1/4 x 11 1/4 x 8" | 6" | 25/500 | 1.72 | 1.61 | 1.50 | 1.44 | 1.40 | |
| 17 1/4 x 11 1/4 x 8" | White | 25/500 | 1.89 | 1.77 | 1.65 | 1.58 | 1.53 | |
| 17 1/4 x 11 1/4 x 8" | ECT-44 Single Wall Corrugated | 25/250 | 2.28 | 2.13 | 1.99 | 1.91 | 1.85 | |
| 17 1/4 x 11 1/4 x 9" | ECT-32 Corrugated | 25/300 | 2.93 | 2.75 | 2.57 | 2.46 | 2.38 | |
| 17 1/4 x 11 1/4 x 10" | Double Ream | 25/250 | 1.90 | 1.78 | 1.66 | 1.59 | 1.54 | |
| 17 1/4 x 11 1/4 x 10" | White | 25/250 | 2.07 | 1.95 | 1.82 | 1.74 | 1.69 | |
| 17 1/4 x 11 1/4 x 10" | ECT-44 Single Wall Corrugated | 25/250 | 2.36 | 2.22 | 2.07 | 1.98 | 1.92 | |
| 17 1/4 x 11 1/4 x 11 1/2" | Double Ream | 25/250 | 2.00 | 1.87 | 1.75 | 1.67 | 1.62 | |
| 17 1/4 x 11 1/4 x 12" | 10,8,6" | 25/250 | 2.16 | 2.02 | 1.89 | 1.81 | 1.75 | |
| 17 1/4 x 11 1/4 x 12" | ECT-44 Single Wall Corrugated | 25/250 | 2.71 | 2.54 | 2.37 | 2.27 | 2.20 | |
| 17 1/4 x 11 1/4 x 14 1/4" | ECT-32 Single Wall Corrugated | 20/240 | 2.48 | 2.32 | 2.17 | 2.08 | 2.01 | |
| 17 1/4 x 11 1/2 x 6" | ECT-32 Single Wall Corrugated | 25/500 | 1.86 | 1.74 | 1.63 | 1.56 | 1.51 | |
| 17 1/4 x 11 1/2 x 11" | 9,7,5" | 25/250 | 1.96 | 1.84 | 1.72 | 1.64 | 1.59 | |
| 17 1/4 x 11 1/2 x 12" | 10,8,6" | 25/250 | 2.01 | 1.89 | 1.76 | 1.68 | 1.63 | |
| 17 1/4 x 14 1/4 x 10" | ECT-32 Single Wall Corrugated | 25/250 | 2.53 | 2.37 | 2.21 | 2.12 | 2.06 | |
| 17 1/2 x 12 x 3" | ECT-32 Single Wall Corrugated | 25/500 | 2.39 | 2.24 | 2.09 | 2.00 | 1.94 | |
| 17 1/2 x 14 3/4 x 12 1/2" | ECT-32 Single Wall Corrugated | 25/125 | 4.70 | 4.40 | 4.11 | 3.93 | 3.82 | |
| 18 x 4 x 4" | ECT-32 Single Wall Corrugated | 25/1000 | .98 | .92 | .86 | .82 | .80 | |
| 18 x 6 x 4" | ECT-32 Single Wall Corrugated | 25/750 | .95 | .89 | .83 | .80 | .77 | |
| 18 x 6 x 6" | ECT-32 Single Wall Corrugated | 25/750 | 1.09 | 1.02 | .95 | .91 | .88 | |
| 18 x 6 x 45" | ECT-44 Single Wall Corrugated | 5/120 | 13.70 | 12.84 | 11.98 | 11.47 | 11.13 | |
| 18 x 7 x 52" | ECT-44 Single Wall Corrugated | 5/120 | 17.04 | 15.97 | 14.91 | 14.27 | 13.84 | |
| 18 x 8 x 4" | ECT-32 Single Wall Corrugated | 25/500 | 1.23 | 1.15 | 1.07 | 1.03 | 1.00 | |
| 18 x 8 x 6" | ECT-32 Single Wall Corrugated | 25/500 | 1.20 | 1.12 | 1.05 | 1.00 | .97 | |
| 18 x 8 x 8" | ECT-32 Single Wall Corrugated | 25/500 | 1.37 | 1.28 | 1.20 | 1.14 | 1.11 | |
| 18 x 9 x 9" | ECT-32 Single Wall Corrugated | 25/250 | 1.54 | 1.44 | 1.35 | 1.29 | 1.25 | |
| 18 x 10 x 4" | ECT-32 Single Wall Corrugated | 25/500 | 1.29 | 1.21 | 1.13 | 1.08 | 1.05 | |
| 18 x 10 x 6" | ECT-32 Single Wall Corrugated | 25/500 | 1.38 | 1.30 | 1.21 | 1.16 | 1.12 | |
| 18 x 10 x 8" | ECT-32 Single Wall Corrugated | 25/500 | 1.58 | 1.48 | 1.38 | 1.32 | 1.28 | |
| 18 x 10 x 10" | ECT-32 Single Wall Corrugated | 25/250 | 1.77 | 1.66 | 1.55 | 1.48 | 1.44 | |
| 18 x 12 x 2" | ECT-32 Single Wall Corrugated | 25/250 | 2.79 | 2.61 | 2.44 | 2.33 | 2.26 | |
| 18 x 12 x 3" | ECT-32 Single Wall Corrugated | 25/450 | 2.68 | 2.51 | 2.34 | 2.24 | 2.18 | |
| 18 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/250 | 1.54 | 1.45 | 1.35 | 1.29 | 1.25 | |
| 18 x 12 x 5" | ECT-32 Single Wall Corrugated | 25/250 | 1.72 | 1.62 | 1.51 | 1.44 | 1.40 | |
| 18 x 12 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 1.64 | 1.54 | 1.43 | 1.37 | 1.33 | |
| 18 x 12 x 6" | 4,2" | 25/250 | 1.87 | 1.75 | 1.63 | 1.56 | 1.52 | |
| 18 x 12 x 6" | White | 25/250 | 2.78 | 2.61 | 2.43 | 2.33 | 2.26 | |
| 18 x 12 x 6" | ECT-48 Double Wall Corrugated | 15/180 | 3.73 | 3.50 | 3.27 | 3.13 | 3.03 | |
| 18 x 12 x 7" | ECT-32 Single Wall Corrugated | 25/250 | 2.13 | 1.99 | 1.86 | 1.78 | 1.73 | |
| 18 x 12 x 8" | ECT-32 Single Wall Corrugated | 25/250 | 1.81 | 1.70 | 1.59 | 1.52 | 1.47 | |
| 18 x 12 x 8" | White | 25/500 | 3.50 | 3.28 | 3.06 | 2.93 | 2.84 | |
| 18 x 12 x 8" | ECT-48 Double Wall Corrugated | 15/180 | 3.10 | 2.91 | 2.71 | 2.60 | 2.52 | |
| 18 x 12 x 9" | ECT-32 Single Wall Corrugated | 25/250 | 1.98 | 1.86 | 1.73 | 1.66 | 1.61 | |
| 18 x 12 x 10" | ECT-32 Single Wall Corrugated | 25/250 | 1.91 | 1.79 | 1.67 | 1.60 | 1.55 | |
| 18 x 12 x 10" | ECT-48 Double Wall Corrugated | 15/180 | 3.38 | 3.17 | 2.96 | 2.83 | 2.75 | |
| 18 x 12 x 12" | ECT-32 Single Wall Corrugated | 25/250 | 1.94 | 1.82 | 1.70 | 1.63 | 1.58 | |
| 18 x 12 x 12" | 10,8,6" | 25/250 | 2.51 | 2.35 | 2.19 | 2.10 | 2.04 | |
| 18 x 12 x 12" | White | 25/250 | 2.58 | 2.42 | 2.26 | 2.16 | 2.10 | |
| 18 x 12 x 12" | ECT-44 Single Wall Corrugated | 25/250 | 2.97 | 2.78 | 2.59 | 2.48 | 2.41 | |
| 18 x 12 x 12" | ECT-48 Double Wall Corrugated | 15/150 | 3.39 | 3.18 | 2.96 | 2.84 | 2.75 | |
| 18 x 12 x 12" | Double Wall with Hand Holes | 15/150 | 5.40 | 5.06 | 4.73 | 4.52 | 4.39 | |
| 18 x 12 x 14" | ECT-32 Single Wall Corrugated | 25/250 | 2.49 | 2.33 | 2.18 | 2.08 | 2.02 | |
| 18 x 12 x 16" | ECT-32 Single Wall Corrugated | 25/250 | 2.79 | 2.61 | 2.44 | 2.33 | 2.27 | |
| 18 x 12 x 18" | ECT-32 Single Wall Corrugated | 25/125 | 2.75 | 2.58 | 2.41 | 2.30 | 2.23 | |
| 18 x 13 x 5" | ECT-32 Single Wall Corrugated | 25/300 | 3.08 | 2.89 | 2.69 | 2.58 | 2.50 | |
| 18 x 13 x 12" | ECT-32 Single Wall Corrugated | 25/250 | 2.75 | 2.57 | 2.40 | 2.30 | 2.23 | |
| 18 x 14 x 4" | ECT-32 Single Wall Corrugated | 25/250 | 1.82 | 1.70 | 1.59 | 1.52 | 1.48 | |
| 18 x 14 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 2.01 | 1.89 | 1.76 | 1.68 | 1.63 | |
| 18 x 14 x 8" | ECT-32 Single Wall Corrugated | 20/240 | 2.00 | 1.88 | 1.75 | 1.68 | 1.63 | |
| 18 x 14 x 10" | ECT-32 Single Wall Corrugated | 25/250 | 2.28 | 2.14 | 1.99 | 1.91 | 1.85 | |
| 18 x 14 x 10" | ECT-48 Double Wall Corrugated | 15/180 | 5.20 | 4.87 | 4.55 | 4.35 | 4.22 | |
| 18 x 14 x 12" | 12 Ream Legal | 25/250 | 2.29 | 2.14 | 2.00 | 1.91 | 1.86 | |
| 18 x 14 x 12" | 10,8,6" | 25/250 | 3.40 | 3.19 | 2.97 | 2.85 | 2.76 | |
| 18 x 14 x 12" | ECT-48 Double Wall Corrugated | 15/180 | 4.52 | 4.24 | 3.95 | 3.79 | 3.67 | |
| 18 x 14 x 14" | ECT-32 Single Wall Corrugated | 20/240 | 2.75 | 2.58 | 2.40 | 2.30 | 2.23 | |
| 18 x 14 x 14" | ECT-48 Double Wall Corrugated | 15/90 | 4.60 | 4.32 | 4.03 | 3.86 | 3.74 | |
| 18 x 15 x 15" | 13,11" | 10/120 | 3.04 | 2.85 | 2.66 | 2.55 | 2.47 | |
| 18 x 16 x 2" | ECT-32 Single Wall Corrugated | 25/500 | 3.33 | 3.12 | 2.91 | 2.79 | 2.71 | |
| 18 x 16 x 4" | ECT-32 Single Wall Corrugated | 25/500 | 2.11 | 1.98 | 1.85 | 1.77 | 1.71 | |
| 18 x 16 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 2.34 | 2.19 | 2.05 | 1.96 | 1.90 | |
| 18 x 16 x 8" | ECT-32 Single Wall Corrugated | 25/250 | 2.81 | 2.64 | 2.46 | 2.36 | 2.29 | |
| 18 x 16 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 2.71 | 2.54 | 2.37 | 2.27 | 2.20 | |
| 18 x 16 x 12" | ECT-32 Single Wall Corrugated | 25/250 | 2.98 | 2.79 | 2.61 | 2.49 | 2.42 | |
| 18 x 16 x 14" | ECT-32 Single Wall Corrugated | 25/150 | 3.17 | 2.97 | 2.77 | 2.65 | 2.57 | |
| 18 x 16 x 14" | ECT-48 Double Wall Corrugated | 15/90 | 8.60 | 8.06 | 7.52 | 7.20 | 6.98 | |
| 18 x 16 x 16" | ECT-32 Single Wall Corrugated | 20/240 | 3.34 | 3.13 | 2.92 | 2.80 | 2.71 | |
| 18 x 16 x 16" | ECT-48 Double Wall Corrugated | 10/90 | 9.26 | 8.68 | 8.10 | 7.76 | 7.52 | |
| 18 x 18 x 2" | ECT-32 Corrugated | 25/300 | 4.02 | 3.77 | 3.52 | 3.37 | 3.27 | |
| 18 x 18 x 3" | ECT-32 Corrugated | 25/300 | 3.67 | 3.44 | 3.21 | 3.07 | 2.98 | |
| 18 x 18 x 4" | ECT-32 Corrugated | 25/250 | 2.47 | 2.32 | 2.16 | 2.07 | 2.01 | |
| 18 x 18 x 5" | ECT-32 Corrugated | 25/250 | 4.11 | 3.85 | 3.60 | 3.44 | 3.34 | |
| 18 x 18 x 6" | ECT-32 Corrugated | 20/240 | 2.43 | 2.28 | 2.12 | 2.03 | 1.97 | |
| 18 x 18 x 6" | 4,2" | 20/240 | 2.77 | 2.59 | 2.42 | 2.32 | 2.25 | |
| 18 x 18 x 6" | ECT-48 Double Wall Corrugated | 15/180 | 6.03 | 5.65 | 5.27 | 5.05 | 4.90 | |
| 18 x 18 x 8" | ECT-32 Single Wall Corrugated | 25/250 | 2.91 | 2.73 | 2.55 | 2.44 | 2.36 | |
| 18 x 18 x 8" | ECT-48 Double Wall Corrugated | 15/90 | 4.82 | 4.52 | 4.21 | 4.03 | 3.91 | |
| 18 x 18 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 3.15 | 2.95 | 2.76 | 2.64 | 2.56 | |
| 18 x 18 x 10" | ECT-48 Double Wall Corrugated | 15/90 | 7.85 | 7.36 | 6.87 | 6.57 | 6.38 | |
| 18 x 18 x 12" | ECT-32 Single Wall Corrugated | 20/240 | 2.90 | 2.72 | 2.54 | 2.43 | 2.35 | |
| 18 x 18 x 12" | 10,8,6" | 20/120 | 3.40 | 3.18 | 2.97 | 2.85 | 2.76 | |
| 18 x 18 x 12" | ECT-44 Single Wall Corrugated | 25/125 | 4.19 | 3.93 | 3.66 | 3.51 | 3.40 | |
| 18 x 18 x 12" | ECT-48 Double Wall Corrugated | 10/90 | 5.15 | 4.82 | 4.50 | 4.31 | 4.18 | |
| 18 x 18 x 14" | ECT-32 Single Wall Corrugated | 20/240 | 3.53 | 3.31 | 3.09 | 2.96 | 2.87 | |
| 18 x 18 x 15" | ECT-32 Single Wall Corrugated | 20/120 | 3.86 | 3.62 | 3.38 | 3.23 | 3.14 | |
| 18 x 18 x 16" | ECT-32 Single Wall Corrugated | 20/120 | 3.16 | 2.97 | 2.77 | 2.65 | 2.57 | |
| 18 x 18 x 16" | ECT-48 Double Wall Corrugated | 10/90 | 8.12 | 7.61 | 7.10 | 6.80 | 6.60 | |
| 18 x 18 x 16" | Printed Deluxe Packing Box | 20/120 | 4.44 | 4.16 | 3.88 | 3.72 | 3.61 | |
| 18 x 18 x 18" | ECT-32 Single Wall Corrugated | 20/120 | 3.34 | 3.13 | 2.92 | 2.79 | 2.71 | |
| 18 x 18 x 18" | 16,14,12,10" | 20/120 | 3.77 | 3.54 | 3.30 | 3.16 | 3.07 | |
| 18 x 18 x 18" | White | 20/120 | 5.40 | 5.06 | 4.72 | 4.52 | 4.38 | |
| 18 x 18 x 18" | ECT-44 Single Wall Corrugated | 20/120 | 5.18 | 4.85 | 4.53 | 4.34 | 4.21 | |
| 18 x 18 x 18" | V3c - 350# Single Wall | 10/100 | 22.73 | 21.31 | 19.89 | 19.04 | 18.47 | |
| 18 x 18 x 18" | ECT-48 Double Wall Corrugated | 10/70 | 5.85 | 5.49 | 5.12 | 4.90 | 4.76 | |
| 18 x 18 x 18" | Double Wall with Hand Holes | 10/70 | 9.47 | 8.87 | 8.28 | 7.93 | 7.69 | |
| 18 x 18 x 18" | ECT-71 Double Wall Corrugated | 10/70 | 17.94 | 16.82 | 15.70 | 15.03 | 14.58 | |
| 18 x 18 x 18" | ECT-90 Triple Wall Corrugated | 5/30 | 42.66 | 39.99 | 37.33 | 35.73 | 34.66 | |
| 18 x 18 x 20" | ECT-32 Single Wall Corrugated | 15/120 | 4.18 | 3.92 | 3.66 | 3.50 | 3.40 | |
| 18 x 18 x 24" | ECT-32 Single Wall Corrugated | 15/120 | 4.02 | 3.77 | 3.52 | 3.37 | 3.27 | |
| 18 x 18 x 24" | ECT-48 Double Wall Corrugated | 10/90 | 7.47 | 7.00 | 6.54 | 6.26 | 6.07 | |
| 18 x 18 x 24" | Printed Deluxe Packing Box | 15/120 | 5.46 | 5.11 | 4.77 | 4.57 | 4.43 | |
| 18 x 18 x 28" | ECT-32 Single Wall Corrugated | 10/120 | 5.53 | 5.19 | 4.84 | 4.63 | 4.50 | |
| 18 x 18 x 28" | 350#DW Printed Deluxe Packing Box | 5/60 | 10.51 | 9.86 | 9.20 | 8.81 | 8.54 | |
| 18 x 18 x 30" | ECT-32 Single Wall Corrugated | 10/120 | 7.12 | 6.68 | 6.23 | 5.97 | 5.79 | |
| 18 x 18 x 36" | ECT-32 Single Wall Corrugated | 10/120 | 6.66 | 6.25 | 5.83 | 5.58 | 5.41 | |
| 18 x 18 x 40" | Inside Telescopic HSC | 10/90 | 15.93 | 14.93 | 13.93 | 13.34 | 12.94 | |
| 18 x 18 x 48" | ECT-32 Single Wall Corrugated | 10/120 | 9.32 | 8.74 | 8.15 | 7.80 | 7.57 | |
| 18 1/2 x 12 1/2 x 6" | ECT-32 Single Wall Corrugated | 25/250 | 1.74 | 1.63 | 1.52 | 1.46 | 1.41 | |
| 18 1/2 x 12 1/2 x 7" | ECT-32 Single Wall Corrugated | 25/250 | 1.85 | 1.73 | 1.62 | 1.55 | 1.50 | |
| 18 1/2 x 12 1/2 x 8" | ECT-32 Single Wall Corrugated | 25/250 | 2.32 | 2.18 | 2.03 | 1.95 | 1.89 | |
| 18 1/2 x 12 1/2 x 9" | ECT-32 Single Wall Corrugated | 25/250 | 2.07 | 1.94 | 1.81 | 1.73 | 1.68 | |
| 18 1/2 x 12 1/2 x 10" | ECT-32 Single Wall Corrugated | 20/240 | 2.13 | 2.00 | 1.87 | 1.79 | 1.73 | |
| 18 1/2 x 12 1/2 x 12" | ECT-32 Single Wall Corrugated | 20/240 | 2.68 | 2.51 | 2.34 | 2.24 | 2.17 | |
| 18 1/2 x 12 1/2 x 14" | ECT-32 Single Wall Corrugated | 20/240 | 2.59 | 2.43 | 2.27 | 2.17 | 2.10 | |
| 18 1/2 x 18 1/2 x 9" | ECT-32 Single Wall Corrugated | 20/240 | 3.12 | 2.93 | 2.73 | 2.62 | 2.54 | |
| 18 1/2 x 18 1/2 x 40" | Outside Telescopic HSC | 10/90 | 16.50 | 15.47 | 14.44 | 13.82 | 13.41 | |
| 19 x 6 x 4" | ECT-32 Single Wall Corrugated | 25/1000 | 1.44 | 1.35 | 1.26 | 1.20 | 1.17 | |
| 19 x 12 x 3" | ECT-32 Single Wall Corrugated | 25/500 | 2.41 | 2.26 | 2.11 | 2.02 | 1.96 | |
| 19 x 12 x 4" | ECT-32 Single Wall Corrugated | 25/250 | 1.67 | 1.57 | 1.46 | 1.40 | 1.36 | |
| 19 x 12 x 7" | ECT-32 Single Wall Corrugated | 25/300 | 3.25 | 3.04 | 2.84 | 2.72 | 2.64 | |
| 19 x 13 x 6" | ECT-32 Single Wall Corrugated | 25/300 | 3.24 | 3.03 | 2.83 | 2.71 | 2.63 | |
| 19 x 13 x 10" | ECT-32 Single Wall Corrugated | 25/300 | 3.69 | 3.46 | 3.23 | 3.09 | 3.00 | |
| 19 x 13 x 13" | ECT-32 Single Wall Corrugated | 25/250 | 2.74 | 2.57 | 2.40 | 2.30 | 2.23 | |
| 19 x 19 x 19" | ECT-32 Single Wall Corrugated | 10/120 | 4.55 | 4.26 | 3.98 | 3.81 | 3.69 | |