<b>FAQ -1</b>:<br> Question: Is this "YOO.MEE Tub Shower Sprayer" a Permanent installation or just Temporary when I need it?<br>Answer: For this YOO.MEE Tub Shower Sprayer, it is TEMPORARY installation when you need to attach it on your current Tub Faucet for bathing child, washing pets, cleaning tub... It is much easier to install or remove per your need.<br><b>FAQ-2</b>:<br>Question: Is that enclosed "Copper On/Off Valve" should be PERMANENT installed? <br>Answer: Yes, it is important and necessary to install this Brass On/Off Valve between Shower head and Shower Arm (SEE PICTURE 5), it is copper brass material, keep the Valve at "OFF" position when you are Planning to use this Tub Shower Spray on Tub Faucet, and turn the Valve at "ON" position to keep your normal showering by Shower Head.<br><b>FAQ-3</b>:<br>Question: Should I must install this "Flow Diverter" when I need to use "YOO.MEE Tub Shower"? What will happen if I don't install this On/Off Valve? <br>Answer: Yes, you should. Rotate Valve to be "OFF" position when you are using this YOO.MEE Tub Shower Spray. This Flow Valve in "OFF" will guarantee there is NO Water Flow Back from your top Shower Heads when YOO.MEE Tub Shower Sprayer used on your Tub Faucet.<br><b>FAQ-4</b>:<br>Question: Will this work with an Square Tub Spout? We do have a diverter, but the spout is square style?<br><b>Answer: Please read the description and take the measurement of your tub faucet to make sure it will fit: <br>** Only Use On the Tub Spout WITH TOP DIVERTER on Front in Vertical Direction<br>** Only Suitable For the Tub Faucet Height From Top Diverter to Outlet Mouth at 3.150'' MAX and Tub Spout mouth Diagonal Distance at 2.050'' MAX.</b> <br><b>FAQ-5</b>:<br>Question: My spout have a diverter, but the diverter is not at the Front, it at the back of the tub spout, can I install it well?<br>Answer: We think you CANNOT install it on. This YOO.MEE Tub Spout Shower Sprayer ONLY apply for the Tub Spout with Diverter on FRONT.<br>