GRUOTVSZAK 590umol Ceramic Metal Halide 315W 4200K CMH CDM Full Spectrum Indoor Vegging Grow Light Bulb Pack of 2
- HIGH PAR PPF: Output as 590μmol/s, designed for plant growth.
- WELL-BALANCED FULL SPECTRUM: Vegging favorable spectrum with suitable UVA, Gruotvszak CMH CDM 315W make your plant strong and healthy.
- SAFE and COMPATIBLE:Standard PGZX18 base with double jacketed bursting proof design,fits all suitable fixtures both high or low frequncy,Low Frequency is recommended.
- LONG LIFE: Over 20,000 hours total life time, premium 90% output maintanence for 10000 hours efficient grow,quality guaranteed.
- WARM UP and COOL DOWN: 5 mins warm up time to achieve working tempreture, stands at least 7 mins to cool down after use.