For connecting threaded pipe and hose. National Hose Thread. Male hose thread on one side with a dual pipe thread on the other side. 1/2 NPT female inside and 3/4 NPT male on the outside.
GILMOUR MFG 800044-1001 Light-Duty Hose Cap, 3/4 in, Female Threaded, Polymer
Plumb Pak PP850-81 Hose Coupling, 5/8 x 3/4 in, Hose x FHT
Gilmour 807704-1001 Hose Adapter, 3/4 x 3/4 in, MNH x FNPT, Brass, For: Garden Hose
Landscapers Select GB9615 Hose Connector, 3/4 in, Male and Female, Brass, Brass