Par Pro LEC 4200K Veg Bulb
Best lighting solution for indoor gardeners maximizing vegetative plant growth.
Optimize your plant's vegetative growth with the Par Pro LEC 4200K Veg Bulb. Engineered for clean white light, this bulb delivers 31,127 lumens and a high CRI of 97.5 for accurate plant observation. Its unique open-rated design with a protective quartz glass shroud manages heat effectively, making it safe for open fixtures. Enjoy consistent light intensity and excellent PPF performance throughout its operational life, promoting robust development during the crucial vegetative stage.
$115.99
Owner Satisfaction
4.6
/ 5
Category Rank
36
/ 213
#36 in Light Bulbs
Price vs Category Average
+9%
Above average
Wattage
315
/ W
Who it's for
- Indoor gardeners seeking dense, healthy vegetative plant development
- Budget-conscious growers aiming to minimize electricity and cooling costs
- Quality-focused cultivators prioritizing natural light spectrum and bulb longevity
Who should skip it
- Shoppers on a strict budget avoiding high upfront equipment costs
- Growers lacking compatible LEC or CMH ballast hardware
- Users wanting a single bulb for the entire growth cycle
Performance breakdown
Vegetative Growth Efficiency
Optimized spectrum delivers the precise light needed for vigorous plant development.
Color Accuracy
High CRI ensures you can easily spot nutrient deficiencies or pests.
Thermal Management
Open-rated design and quartz shroud keep heat levels safely under control.
Lumen Output
Strong initial brightness provides excellent coverage for your vegetative canopy.
PPF Consistency
Maintains steady photosynthetic photon flux throughout the bulb's operational lifespan.
Fixture Compatibility
Versatile design allows for safe installation in most open-style fixtures.
Key Specs
Wattage
315W
Color Temperature
4200K
Initial Lumens (4200K)
31,127
CRI (4200K)
97.5
PPF (4200K)
1.70 PPF per second
Base Type
PGZX18
Construction
Ceramic arc tube in protective quartz glass shroud
Features
- Optimized spectrum for vegetative growth
- High color rendering for accurate observation
- Open-rated design for heat management
- Protective quartz glass shroud
- Maintains PPF performance over time
- High initial lumen output
- Designed for open fixtures
What customers say
Users consistently highlight the exceptional reliability and superior light quality of the Par Pro LEC 4200K bulb. Growers appreciate the robust construction and the consistent, powerful spectrum delivered throughout the vegetative cycle. This bulb is frequently noted for its dependable performance, minimizing the need for frequent replacements or adjustments. The overall consensus points toward a high quality investment that delivers predictable results, justifying the initial cost through longevity and efficiency.
Know before you buy
Yes, the Par Pro LEC 4200K is specifically engineered with an open-rated design and a protective quartz glass shroud, making it safe and effective for use in open lighting fixtures.
The 4200K spectrum is optimized to support the vegetative stage of plant growth. It provides a clean, white light that encourages robust development before your plants transition to the flowering phase.
A Color Rendering Index (CRI) of 97.5 means the light provides excellent color accuracy. This allows you to inspect your plants more clearly, making it easier to spot signs of nutrient deficiencies, pests, or general health issues.
No, this bulb uses a PGZX18 base type. It is designed for use with compatible 315W LEC (Light Emitting Ceramic) ballasts and fixtures, not standard household sockets.
This bulb is designed to maintain consistent PPF performance and light intensity throughout its operational lifespan, ensuring your plants receive steady light levels as they grow.
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$116