Adapter: 18.5mm x 1 male to 55/64
Adapter: 18.5mm x 1 male to 55/64Adapter: 18.5mm x 1 male to 55/64

Free to AquaPurr owners

 for initial installation

Adapter connects the 18.5mm x 1 female threads of your faucet to 55/64"-27 female threads of the diverter valve.

NOTE - If your aerator does not have a blue o-ring, like the one shown on this adapter, don't order this.  Please contact me.  Send me a photo of your aerator and I can tell you which adapter you need.