UVL 39W T5 V-HO Super Actinic Bulb 420NM

Professional Series. 180 degree Reflective Lamp
100% Blue spectrum, peaks at 420nm
Best used for reef applications
Blue chlorophyll absorption utilized in natural photosynthesis
True 420nm T5 (Super Actinic).
Utilizes a proprietary blend of unique phosphors exclusive only to UVL (URI).
Dual coated phosphor and long mounted filaments to achieve long life.
No color shift.
Useful life: 4500 hours
A coating of silver oxide on half cylinder of tube. These new reflector lamps are estimated to produce 20% more PAR than non-Internal Reflector lamps of the same type