| CWJO12 Joiner/Extra Coupling - 12 x 12 - Galv | Hammond Manufacturing | | |
| CWRD108 Reducer - 10 x 10 to 8 x 8 - Steel/Gray | Hammond Manufacturing | | |
| CWSC1212 Straight Section with KO - 12 x 12 x 12 - Steel/Gray | Hammond Manufacturing | | |
| CWSC1236NK Straight Section w/o KO - 12 x 12 x 36 - Steel/Gray | Hammond Manufacturing | | |
| CWSC224NK Straight Section w/o KO - 2.5 x 2.5 x 24 - Steel/Gray | Hammond Manufacturing | | |
| CWSC248 Straight Section with KO - 2.5 x 2.5 x 48 - Steel/Gray | Hammond Manufacturing | | |
| CWSC436 Straight Section with KO - 4 x 4 x 36 - Steel/Gray | Hammond Manufacturing | | |
| CWSC472 Straight Section with KO - 4 x 4 x 72 - Steel/Gray | Hammond Manufacturing | | |
| CWSC6120 Straight Section with KO - 6 x 6 x 120 - Steel/Gray | Hammond Manufacturing | | |
| CWSC624 Straight Section with KO - 6 x 6 x 24 - Steel/Gray | Hammond Manufacturing | | |