Reducer. Reduces a 1/2" female compression fitting to a 3/8" male compression fitting. About 95% of bathrooms in North America use the standard 3/8" fitting which comes standard with each cold version. If you happen to have a 1/2" stop valve, then you will need to purchase one of these reducers.
NB It is important that all Hand Held Bidet Sprays are installed according to the Water Regulations Advisory Service guidelines. The shower head must not be installed in a way that the head can reach or come into contact with the water contained in the toilet bowl.