Lumatek 315W CMH 4200K

Optimized for Vegetative Growth – With a colour temperature of 4200K , this lamp delivers a blue/white-enhanced spectrum that promotes compact, bushy plant structure, making it ideal for clones, mother plants, and the vegetative stage High PAR Output & Efficiency – Delivers a PAR output of 615 µmol/s with a luminous flux of 38,000 lumens, providing high-energy, full-spectrum light with low heat for healthier plant growth and larger yields Advanced Ceramic Arc Tube Technology – The PCA (Polycrystalline Alumina) ceramic arc tube allows the lamp to operate at higher internal temperatures, improving colour rendering, output, and efficiency while maintaining PAR/PPF levels throughout its lifespan Universal Compatibility (PGZX18) – Features the industry-standard PGZX18 twist-lock base, making it compatible with most 315W CMH fixtures. Long-Lasting & Reliable – Pulse-start technology ensures faster ignition and restrike times, while the robust construction delivers a rated life of up to 14,000 hours, reducing replacement frequency and overall running costs