Check the listing for details. Suttle DSL In-Line Adapter Single DSL Filter 900LCS-50E ~LINE CONDITIONER JACK. Condition: New. Listed at 14.99 USD. Product Features and Technical Details Suttle 900LCS-50E (1-Line) DSL Filter Suttle (1-Line) DSL Filter The Suttle 900LCS-50E In-line DSL Filter connects between the wall jack and voice device (e.g. phone, fax, answering machine, Caller ID). This DSL filter provides both an unfiltered DSL jack for DSL connection and a filtered jack for one line of voice device communications. Suttle In-line DSL filters eliminate all erratic impedance from telephone equipment that interfere with DSL communications. Suttle 900LCS-50E 1-Line DSL Filter w/Unfiltered DSL Jack Features: - 1 Line Filtered (pins 3 & 4)- 1 Voice jack- 1 Auxiliary DSL jack- Meets ANSI T1.421 standards for DSL filter compliance- FCC Registered; Complies with Part 68, FCC Rules- Dimensions: 2.65" L x .94" H x 1.62" D- Color: Beige