[Connection Diameter: Male 1 4 x Male 1 4]

[Connection diameter: 1 4 male x 1 4 female (knurling)]

[Connection diameter: 3 8 male x 3 8 female (knurling)]

Pressure Resistance: 3.5 MPa
Attaches to the end of the charging hose to prevent the refrigerant from being blown out.
Attaches to vacuum pump to prevent oil backflow and air contamination.
For services, please do not place it on plumbing for regular use.
Connection diameter: 3/8" male x 3/8" female (knurled)