Shower Spray I'm Looking For A Shower Spray That Fits Onto A Mixer Tap?

I'm looking for a shower spray that fits onto a mixer tap? - shower spray

My heart is broken shower and I am doing my bathroom completely redone in 6 weeks. I am looking for a spray hand that will fit into a mixer, so you can shower. I tried B & Q, Homebase, and eBay. Can someone help me?
Thanks