This is a top mount, screw on, can taper.
It will screw on top of the new style "Self-Sealing" cans.
The hose connection is called 1/2" ACME threads.
Includes Cap with internal o-ring
***Also Includes a adapter.
The adapter can be removed.
The smaller hose connection is called 1/4" Male Flare.
The Larger Hose connection is called 1/2" ACME Male.
It is very important to use the new correct can taper on the new "self-Sealing Cans" or you will damage the seal disk and refrigerant will leak out the can.