Persian 
English 
Purpose
A long joint that improves grip with various connection joints.
specification
| format | Connection diameter | remarks |
|---|---|---|
| HPA-J1 | G1/8 female → G1/4B male | -- |
| HPA-J2 | G1/4 female → G1/8B male | -- |
| HPA-J3 | G1/8 male → G1/4B male | -- |
| HPA-J4 | G1/8→G1/8B male | -- |
| HPA-LJ | Inlet G1/8 female Outlet G1/8B male | long joint |
| HPA-TG | G1/8→G1/8 | -- |
