NMEA 2000 Blanking Cap

Seal and safeguard your NMEA 2000 network with reliable blanking caps designed to cover unused couplers and tee connectors. These protective caps help keep your system clean and secure by blocking dust, moisture, and debris, preserving signal integrity and preventing unwanted corrosion in harsh marine environments. Ideal for new installs, seasonal layups, or system upgrades, they offer a simple, tool-free way to maintain an organized and weather-resistant backbone. Comes in a 2-Pack.