'- Suttle in-line DSL filter with splitter- The In-line Adapter connects between the wall jack and voice device (e.g. phone, fax, answering machine, Caller ID) providing both an unfiltered DSL jack for DSL connection and a filtered jack for a single line of voice device communications- Eliminates all erratic impedance from telephone equipment that interfere with DSL communications- FCC Registered; Complies with Part 68- ANSI T1. 421- Materialis flame retardant thermoplastic compliant with UL 94V-0- Minimum 50 micro-inch of gold and nickel- Small compact design- Customer installable