2x ADSL/2+ BT SKY PLUS NET VIRGIN TALKTALK Broadband Splitter Micro Filter RJ11
Why do I need ADSL filters (microfilters) and where do they go?. PREMIUM BT APPROVED MICROFILTER NOT A WHITE LABEL, OR A CHEAP COMPATIBLE VERSION MADE IN CHINA. BT APPROVED MICROFILTER MF-50. Content : 1x Filter.