Philips 315W CDM 942 – Full-Spectrum 4200K Elite Grow Lamp

The Philips 315W CDM 942 Elite Grow Lamp delivers crisp, full-spectrum white light at 4200K — engineered for professional indoor plant cultivation. With a high 92 CRI and 34,300 initial lumens (109 lm/W), it produces the quality and intensity needed for vigorous plant development across all growth stages.

Key Specifications

• Wattage: 315W CDM (Ceramic Discharge Metal Halide)
• Colour Temperature: 4200K
• Colour Rendering Index: 92 CRI
• Initial Output: 34,300 lumens / 109 lm/W
• Lumen Maintenance: 90% at 8,000 hours
• PPF Maintenance: 85% at 20,000 hours

Open-Rated Construction

Unique open-rated lamp design reduces radiant heat from the arc tube, making it suitable for use in open fixtures — offering greater flexibility in your lighting setup.

Important Usage Note

During the first 10 hours of operation, do not switch the lamp off for longer than 2 minutes. If this occurs, allow 1 hour before switching on again to avoid ignition issues.