Excelsus Z-D250 Z-Blocker & Suttle 630-LCCP-50BS DSL Filters – New Sealed Lot
Excelsus Technologies Z-Blocker Model Z-D250. Made by Excelsus Technologies Inc. Suttle 630-LCCP-50BS Line Conditioner X-DSL Filter. Here's what you're getting Perfect for use with DSL internet services.