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Optimised for Flowering – With a colour temperature of 2000K–2100K and a red‑enhanced spectrum, this lamp is specifically designed to promote abundant, resinous flowers and maximise yields during the flowering phase High Light Output & Efficiency – Delivers 33,000 lumens with an efficacy of 132 lm/W, providing intense, energy‑efficient light for healthy plant development Advanced Ceramic Arc Tube Technology – The high‑quality PCA (Polycrystalline Alumina) arc tube allows the lamp to operate at higher internal temperatures, improving colour consistency, output, and PAR/PPF maintenance over its entire lifespan Universal Compatibility (E40) – Features a standard E40 screw base, making it compatible with most 250W HPS magnetic and electronic ballasts, as well as open reflectors, ventilated hoods, and cooltubes Long‑Lasting & Reliable – Pulse‑start technology ensures faster ignition and restrike times, while the robust construction delivers a rated life of up to 28,000 hours, reducing replacement frequency and overall running costs