PAR Pro LEC Bulb 315 Watt 4200K Lamp
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4,200° K color temperature, excellent 97.5 CRI, 31,127 initial lumens. The 4,200° K has very high 1.70 PPFD per second light source. Good lumen maintenance and excellent PPF performance throughout lamp life. Unique open-rated lamp construction, including a ceramic arc tube contained in a protective quartz glass shroud with PGZX18 base, reduces radiant heat from the arc tube and makes these lamps suitable for open-rated fixture use.