Check the listing for details. DSL / U-Verse In Line Noise Eliminator filter kit. (4) Pack / Set Filters. Condition: Open box. Listed at 3.00 USD. DSL / U-Verse Filter Kit -- (4) Inline Filters w/DSL/U-Verse Jack You are bidding on a DSL/U-verse Filter Kit Main Features Eliminate interference between DSL or U-Verse line and analog lines Clear, clean lines for telephone calls and data transmission DSL filters eliminate interference between DSL or U-Verse and analog lines in the home. Just attach a filter between a telephone wall jack and each device in use (such as a fax machine, answering machine or analog modem) for noise-free telephone lines. Key Features: Eliminates interference between DSL / U-Verse and analog lines Ensures optimized DSL / U-Verse connection and clear telephone calls over the same line simultaneously Delivers more than twice the isolation between voice and DSL / U-Verse than other filters Use as many as six filters without degradation in service Compatible with HomePNA 1.0 and 2.0 home phone networks Included in this package: (4) Inline DSL/U-Verse Filters w/DSL/U-Verse Modem Jack *****On rare occasions it has taken up to 3 weeks for a package to be delivered. (USA) If you order (4) or more kits they will be shipped Priority Mail..