315W CMH (LEC) Grower's Choice Bulbs - Price Match Guaranteed – PowerGrow Systems & Utah Hydroponics
Amazon.com : PROTOPIA CMH 315W 4000K Grow Light Bulb,Full Spectrum,33000Lumens,Richest Spectrum on The Market with a CRI of 90,Great for Commercial Applications,1-Pack : Patio, Lawn & Garden
Amazon.com: Vegelumax CMH 315W 3K-Red Grow Light Bulb Lamp Full Spectrum 3000K HID Ceramic Metal Halide High Efficiency Low Heat Superior Master Color CDM for Flowering, Enhanced 660nm Red Light,PGZX18 Socket :
315W CMH Agro - reliability and performance- BoulderLamp, Inc.
315W CMH CDM Bulb Full Spectrum Ceramic Metal Halide Grow light 3100K/4200K | eBay