Frequently Asked Questions

Why Buy ?

If you have bought an ADSL "Wires Only" service you need microfilters to use your phone, fax or set top box. You need a microfilter for each socket in use. The Z-420UKP2J is a BT approved filter and supports caller line ID.

How Do I Install It ?

Simply plug the filter into your BT wall socket. The filter will provide one connection for ADSL and one for your phone, fax or set top box. Plug in your devices and away you go!

What's Included ?

Excelsus Z-420UKP2J BT Approved Microfilter