Reef Light Retrofit Upgraded PCB Board Reef Spectrum 2 Channels Replacement for 16" 165W Saltwater Black Box SB Reef Light,VIPARSPECTRA,Mars Aqua,GalaxyHydro,Evergrow float valve and it can be unscrewed

and it can be unscrewed by hand to clean at any time

leak-proof

please make sure you have an emergency overflow system in place

【PRACTICAL AND EASY TO MAINTAIN】Automatic water level control valve is small and does not take up space

Reef Light Retrofit Upgraded PCB Board Reef Spectrum 2 Channels Replacement for 16" 165W Saltwater Black Box SB Reef Light,VIPARSPECTRA,Mars Aqua,GalaxyHydro,Evergrow float valve and it can be unscrewedUpgrade your black box to the better reef lights proprietary layout and spectrum Fits 16x8" Square Black Boxes with round corners (Reference our models) May require swapping of wire clips. Comes with standard Molex 2 pole connector. Fits most of black box with case modification and new glass panel,double check side before placing order The PCB Board is 2 channels,not 3 channels,please double check before you replace old one It comes with optic