BH404a

BH Simple Outdoor Garden Hose to Indoor Shower Hose Adapter

Adapts your Brush Hero for use with a common standard shower hose and many sinks.

This is a basic adapter piece that narrows the attachment point:

Converts mGHT to 1/2 mNPT
(In human speak...converts an outdoor garden hose attachment to an indoor shower hose. Also works for some sinks.)  

You need this if you have an existing standard shower hose which you want to simply screw a Brush Hero or other accessory onto.