Sylvania’s GroXpress SHP‑T 250W E40 is a high‑pressure sodium horticulture lamp designed for greenhouses and indoor gardens. It draws 250 W and uses an E40 base, delivering a warm Gro‑Lux spectrum around 2000 K with strong red content for flowering. The official datasheet cites 33,000 lm output and a nominal lifetime of 24,000 hours; the lamp weighs about 0.141 kg and has a 48 mm maximum diameter. Retail guidance places the 250 W GroXpress in roughly an 80×80 cm grow area. Use with appropriate HPS control gear/ballast.
