The Model 98207 is a bulk pack of fifty ADSL in-line filters which are used to improve the performance of ADSL modems and prevent interference on voice calls in the presence of ADSL modems or Home Phone line Networking. The devices filter all telephone set, facsimile machine, answering machines or other analog telephone devices plugged into one of the two female RJ-11 ports on the filters. The other female RJ-11 jack is an unfiltered jack, which provides a convenient point at which toinstall an ADSL modem at the same telephone wall jack used for the analog device.