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 :
SupremeLux 315W CMH Light Bulb | GrowAce.com
Best of Grow BL 3154 — PCA Hydro
Philips GreenPower CMH Lamp – 315w, 4200K° - Global Garden