| PART # | DESCRIPTION |
| AT31HC500 | 16mm Cupler |
| AT31HC600 | 18mm Coupler |
| AT31HC700 | 20mm Coupler |
| AT31HC800 | 22 mm Coupler |
| AT31HE66 | 18mm Elbow |
| AT31HE77 | 20mm Elbow |
| AT31HE88 | 22mm Elbow |
| AT31HT666 | 18mm Tee |
| ATHT66S | 18mm x 18mm x FHT Tee |
| ATHT77S | 20mm x 20mm x fht Tee |
| AT31H6CAP | 18mm End Cap |
| AT31H7CAP | 20mm End Cap |
| AT31H6FVL | 18mm Low Pressure End Flush Out |
| AT31H7FVL | 20mm Low Pressure End Flush Out |
| AT31H8FVL | 22mm Low Pressure End Flush Out |