Check the listing for details. 3 Pack Pace DSL Filter For single-line phones 6kROTO1B2WLFT4. Color: Beige, Condition: New. Listed at 7.98 USD. The 3 Pack Pace DSL Filter is a beige unit designed for single-line phones, featuring a 0.5 ft cable length. It has a DSL/Phone (RJ-11) female connector for both the input and output, making it compatible with universal brands. This filter is ideal for networking cables and adapters, specifically for DSL/Phone connections in computer systems. It helps in removing noise and interference from the phone line, providing clear and reliable communication.