| Nominal Size | 21 x 21 x 15 in |
| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | Royal Building Products | PLA K1021-15 | TEE STR PROFILE HHH K102115 |
| | Royal Building Products | PLA K1521-15 | T-Y HxHxH K152115 |
| | Royal Building Products | PLA K3021-15 | WYE PROFILE HHH K302115 |
| | Royal Building Products | PLA K3321-15 | WYE PROFILE HHG K332115 |
| | Royal Building Products | PLA K10321-15 | TEE STR PROFILE HHG K1032115 |
| | Royal Building Products | PLA K15821-15 | T-Y with SDR35 Branch HxHxG K1582115 |
