The Brand New 2Wire DSL Filter Kit DSLAP2WD is a set of 4 in-line DSL filters designed to provide clear and stable internet connections on boats. Manufactured by 2Wire, this kit includes everything needed to improve connectivity in a marine environment. This product is a new old stock item, ensuring that it is up-to-date and ready to use. Perfect for those looking to enhance their boat's electronics and navigation systems, this filter kit is a reliable solution for a smoother sailing experience.