Superior color quality. Crisp white light. 4200k color temperature High 92cri 34 300 initial lumens (109Lm/W). High 90% lumen maintenance at 8 000 hr. /High 85% PPF maintenance at 20 000 hr. Unique Open Rated Lamp construction reduces radiant heat from the arc tube and is suitable for open fixture use. Important: Until the lamp has achieved a least 10 hours of operation the lamp should never be turned off sooner than 2 minutes including during the installation test.
Visit Summit Lighting to find out about their high quality CMH fixtures with a 5yr warranty and built in Colorado.
Summit Lighting Website: Summit Lighting
I’ve been using philips CMH for years think they are more reliable than a lot of the new stuff out there.
starramus (verified owner) –
You can’t beat Philips, quality, and durability. Green Lighting’s pricing is the best that can be had.