| Code(s) | Option | Overall dimensions |
| 1800-0000 | W 16" D 16" | W 16" D 16" H 2" |
| 1800-0001 | W 16" D 18" | W 16" D 18" H 2" |
| 1800-0002 | W 18" D 18" | W 18" D 18" H 2" |
| 1800-0003 | W 18" D 20" | W 18" D 20" H 2" |
| 1800-0004 | W 20" D 20" | W 20" D 20" H 2" |
| 1800-0005 | W 20" D 22" | W 20" D 22" H 2" |
| Code(s) | Option | Overall dimensions |
| 1800-0000 | W 16" D 16" | W 16" D 16" H 2" |
| 1800-0001 | W 16" D 18" | W 16" D 18" H 2" |
| 1800-0002 | W 18" D 18" | W 18" D 18" H 2" |
| 1800-0003 | W 18" D 20" | W 18" D 20" H 2" |
| 1800-0004 | W 20" D 20" | W 20" D 20" H 2" |
| 1800-0005 | W 20" D 22" | W 20" D 22" H 2" |
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