Color :As the picture shows
Size :90mm x 74mm
Package :1pc valve
Model : HV-02/HV-03/HV-04
Note:
The difference is in the size of the interface
HV-02 : Interface thread diameter 12MM. (2 points connector 1/4)
HV-03 : Interface thread diameter 16MM. (3points connector 3/8)
HV-04 : Interface thread diameter 20MM. (4points connector 1/2)