Metro Marine Full Spectrum Hub - 2 Outputs [F-HB-2-FS5] Intercoms It can cause internal corrosion

It can cause internal corrosion which can destroy underwater lighting fixtures from the inside-out

360° Ceramic Protection against UV

Model: 000-13210-002

Cap is threaded 1/2" NPT to accept a barb fitting if you wish to vent overboard

Metro Marine Full Spectrum Hub - 2 Outputs [F-HB-2-FS5] Intercoms It can cause internal corrosionFull Spectrum Hub 2 Outputs Our F HB 2 FS5 Hub simplifies installation allowing for 2 RGBW fixtures to be connected to one power source. It also allows you to daisy chain the data signal between those 2 fixtures, as well as between additional fixtures on other hubs. Features: ABYC Compliant IP68 & IPX8 Tested