Grower's Choice 3K-R 315 Watt Single Ended CMH Bulb

The Grower’s Choice 315w CMH Lamps are suitable for use in all standard 315w CMH fixtures. The 3K-R is an enhanced version of the 3K lamp that is designed specifically for plants that are prized for their resin production. It is similar to the original 3K, but it has contains a few subtle differences. Grower's Choice 3000K 315 Watt SE CMH Bulb Features A slight increase in UV light to promote resin production A taller peak in the far-red to stimulate metabolic activity during flowering Slightly higher PAR for better flower density Increased intensity in red Specifications Spectrum: 3000K - ideal for bloom Lumens Per Watt: 110 CRI: 90 Lumens At 100 Hours: 33000 Photon Flux: 540 umol/s Lifespan: 15,000 hours See the full spec sheet here.