Wondurdog brand: see on Amazon https://a.co/d/iEtUeRs
It attaches to either the shower outlet or the hose and then you can switch back-and-forth between this and the regular showerhead. It has a silicone head so you can wash dogs, and a very long hose. It works great; we just remodeled and had a long hose installed, so don’t need it
Dog Wash Showerhead & Hose (North Seattle (Roosevelt))
This offer has been gifted to someone and is no longer available.