A modem including a removable DSL filter cartridge is disclosed. The modem includes a location adapted to receive a filter cartridge. The filter cartridge is designed to fit inside the location provided on the modem. The filter cartridge includes a first end that electrically connects the filter cartridge to the modem and a second end that faces outwards. The second end includes a telephone connector or port so that users can plug telephones directly into the port. The filter cartridge includes a DSL filter to help eliminate unwanted noise on the telephone line and the filter cartridge is designed to be easily removable.