Triton Alfie Clamp Bracket Shower Head Holder 20mm White - 22011840 (22013500)
In full white, Old part number - 22011840. TRITON HAVE NOW CHANGED THE DESIGN OF THIS HOLDER. IT USED TO BE PUSH BUTTON, BUT IS NOW RATCHET OPERATED. NEW PART NUMBER IS 22013500. (would also fit many 19mm rails).