Sylvania GroXpress 400W
The Sylvania GroXpress 400W is an SHP-TS discharge lamp designed specifically to meet the needs of plants during the flowering cycle. Its light spectrum is maximized for red light, which is ideal for perfect flowering. This horticultural bulb offers an enriched spectrum, making it much more efficient than standard HPS bulbs, providing superior light output.

Discreet packaging and protected

Delivery 24 to 48 hours - Free from € 100

Exchange for 30 days - 2 year warranty
The Sylvania GroXpress 400W is an economical and high-performance solution for growers looking to optimize plant flowering indoors. With a luminous output of 55,000 lumens, it perfectly covers an area of 0.75 to 1.25 m². This bulb is specifically designed to enhance crop productivity and deliver exceptional results.
It should be used with a 400W ballast and is ideal for flowering, thanks to its enriched light spectrum. With a color temperature of 2050 Kelvin, it promotes optimal plant growth during the flowering phase.
Key Features:
- Technology: HID
- Socket: E40
- Power consumption: 410 watts
- Voltage: 100 Volts
- Light output: 55,000 lumens
- Color temperature: 2050 Kelvin (special for horticulture)
- Lifespan at maximum power: 20,000 hours
- Total lifespan: 28,000 hours
- Luminous efficacy: 137.5 lm/W
Benefits:
- Maximized red spectrum for perfect flowering
- High light output for better area coverage
- Long lifespan with reliable performance
- Superior efficiency compared to standard HPS bulbs
Applications:
- Ideal for plant flowering phases
- Indoor gardening (0.75 to 1.25 m²)
- Use with 400W ballast