Orbiq Tap 4212 O Ring Kit 9.54212.
Available for the Perrin & Rowe Orbiq Tap 4212.
Designed to replace the existing O rings on the base of the spout. You will need to do this if there is water coming out of the joint between the spout and the body of the Phoenician tap or alternatively if the spout has become very loose. See here for further details on the Perrin & Rowe Orbiq Tap 4212 O Ring Kit and its components.