Excelsus Z-Blocker Z-350UK ADSL/VDSL filter as supplied by many ISP's.
The Z-350UK is an attractive customer premises equipment filter designed to expedite the service delivery and improve the performance of DSL services over plain old telephone service (POTS). The Z-350UK filters all telephones, facsimile (fax) machines, answering machines, and other telephone equipment. Its filter design electronically isolates the high-speed DSL data stream from the voice-band equipment to provide premium voice quality and optimal DSL data rates.
£4.50(£5.40 inc VAT)
Dispatched today if paid within hrsmins &secs Premium delivery options available.