What tap & Washer renewal

[A Cable]

Can someone please tell me what tap this is and how do I access washer for renewal?

 

[JCplumb]

If you mean the long necked tap on the right, it looks like a drinking water tap, there will be a replaceable filter under the sink.
The cap comes off the end of the handle, there will be a screw under that you need to undo.
Then the valve will come off using a deep socket or suitably sized spanner (use something like grips to stop the tap body from turning), there you will see the washer if it is a pillar type valve, it is likely to be 1/2'' or 3/8''.
If your tap is a quarter turn type, you'll need to take the valve to a good plumbers merchants to find a replacement 1/4 turn ceramic valve.

 

[jtsplumbing]

Best thing to do with those filter taps when they get that bad is to replace them, that one looks in poor condition.

 

[A Cable]

Thank you for your replies

 

[richard978]

needs replacing, it will almost certainly have a cartridge anyway and the chances of getting a match is slim. have a look at pozzani water filters....i fit those when asked about filters.