| | Plastic Y Branch 250-200/200-150/200-150 | | | |
| | Y250/200/200 Insulated plastic Y-body only | | | |
| | Y300/250/250 Insulated plastic Y-body only | | | |
| | Y350/300/300 Insulated plastic Y-body only | | | |
| | Y400/350/350 Insulated plastic Y-body only | | | |
| | Y450/400/400 Insulated plastic Y-body only | | | |