Block Ends are manufactured using 28 gauge galvanized steel.
| Part Number | Description | UOM | Ctn.Qty |
| CPLHD04 | 4″ SPIRAL COUPLING | EA | 10 |
| CPLHD05 | 5″ SPIRAL COUPLING | EA | 8 |
| CPLHD06 | 6″ SPIRAL COUPLING | EA | 9 |
| CPLHD07 | (M) 7″ SPIRAL COUPLING | EA | 2 |
| CPLHD08 | 8″ SPIRAL COUPLING | EA | 21 |
| CPLHD10 | 10″ SPIRAL COUPLING | EA | 8 |
| CPLHD12 | 12″ SPIRAL COUPLING | EA | 10 |
| CPLHD14 | 14″ SPIRAL COUPLING | EA | 10 |
| CPLHD16 | 16″ SPIRAL COUPLING | EA | 2 |
| CPLHD18 | 18″ SPIRAL COUPLING | EA | 2 |
| CPLHD20 | (M) 20″ SPIRAL COUPLING | EA | 2 |
| CPLHD22 | (M) 22″ SPIRAL COUPLING | EA | 2 |
| CPLHD24 | 24″ SPIRAL COUPLING | EA | 2 |
Block Ends are manufactured using 28 gauge galvanized steel.
Anchor strap is manufactured using 18 gauge galvanized steel.
Round to oval end boots are manufactured with 30 gauge galvanized steel. Connects round pipe to oval opening in floor/wall at 90 degrees with long dimension perpendicular to air flow.
Tee’s are available in aluminum.