Lamona Arno Chrome Mono Mixer Tap2422 Aerator 1232RAerator:
Found at the tip of the spout. Most aerators can be screwed onto the end of the spout, creating a non-splashing stream and often delivering a mixture of water and air (sometimes referred to as the 'champagne' effect).
This is a Genuine Spare Part.
BREXIT: No additional charges on delivery once your Order before shipping charges is less than £135.