Philips Master Greenpower Bulb 400 W

The classic High-Pressure Sodium (HPS) lamp,
which has ensured rich yields for years.

The Philips Master GreenPower 400 W is one of the most legendary
HPS lamps on the market – built for strong root development,
dense buds, powerful flowers, and maximum light intensity during the flowering phase.

With its optimized red/orange spectrum output, it delivers
massive output, high penetration, and even illumination
for all growers who rely on classic lamp technology
or are looking for a reliable addition to LED.

Robust, productive, and globally proven. 🔥🌱

Woodpecker’s Key Facts

💡 400 W HPS flowering lamp – Master GreenPower Series

🌸 Red/orange-heavy spectrum → perfect for flowering

🔥 High light intensity & strong deep penetration

💪 Robust Philips quality – durable & stable

🏕️ Ideal for 80×80, 100×100, 120×120 grow tents

⚡ Compatible with all 400-watt ballasts (magnetic & digital)

📈 Classic HPS performance for heavy yields

🧱 Ready in seconds – full light power instantly

💸 Excellent price/performance for flowering & full-spectrum setups

Why the GreenPower 400 W?

HPS light has been a yield standard for 20 years

Perfect for growers who:

want deep penetration

prefer very dense flowers

combine LED and HPS

are looking for affordable pro-watt performance

Works perfectly as a main or supplementary lamp

Technical Data

Model: Philips MASTER GreenPower 400 W

Power: 400 Watt

Base: E40

Technology: HPS (High-Pressure Sodium lamp)

Spectrum: Flowering-optimized (Red/Orange)

Luminous flux: very high → strong PPFD

Lifespan: 12,000+ hours (recommended: change every 9–12 months)

Application

1. Insert into an E40 socket

2. Connect to a 400 W ballast

3. Switch on the lamp

4. Enjoy perfect flowering performance 🌸💡

Tip:
Use a Cooltube or a powerful exhaust fan –
HPS generates heat.

Woodpecker’s Conclusion

The Philips 400 W GreenPower is one of the best HPS lamps
ever built – reliable, powerful, and
to this day a favorite in the flowering tent.

Woodpecker approved. 💡🔥🦜