Check the listing for details. 2WIRE DSL Filter™ LFT4-1-PT • DSL/HPNA PHONE Filter. Condition: New. Listed at 2.75 USD. Item up for SALE 2WIRE DSL FILTER™ LFT4-1-PT • DSL/HPNA PHONE Description: New 2Wire 1-Line Inline Filter™ are for single line telephones or phone line devices (such as fax machines, answering machines, and analog computer modems). The 1-line inline filter installs easily between the phone jack and telephone device. Application: A DSL filter prevents signals or echoes from an analog device from compromising performance and causing connection issues with DSL service. High-performance in-line DSL filter for phones or telephone equipment sharing a single phone jack. Meets ANSI T1.421 standards for voice quality and data performance with five filters on the line. Isolates DSL and home phone-line networking (HPN) signals from voice signal for peak data performance and voice quality. Effectively filters one or more phone devices (standard or cordless phone, answering machine, dial-up modem, fax machine, etc.). Please view the photos as they are an important visual part of the item description, what is pictured is what is shipped. Please ask any questions or request additional photos. Each item has been researched, tested where applicable, and described accurately to the best of our ability. 30 Day Seller Warranty. Thank you for looking!Location: Shelf A1_Bin-4