This IonAdapter has a male 55/64"-27 in. thread on the bottom and a 3/8"-18 in. female thread on the top. This product is made with lead free brass material which has passed by NSF42 standard and also meets California new required AB-1953 Standard.
Connects regular-sized faucet appliances that have male threads
55/64"-27 in. x 3/8"-18 in. connections
No tools necessary for easy installation
***Caution- Overtightening may cause damaged to the fitting and void the warranty.