400w HPS Grow light bulb for hydroponics

• Optimized spectrum: Dural spectrum and high PAR (Photosynthetic Active Radiation) to promote healthy plant growth in vegetative or flowering stages;
• Long lifetime: Lifetime as long as 24,000 hours, maintaining over 90% of initial lumen (51000LM) output after running for 5,000 hours;
• Wide application range: with more energy in yellow and red spectrum to enhance flowering, these horticultural high pressure sodium lamps can be better used in plant flowering;
• HPS bulbs can be compatible with both electronic and magnetic ballasts;
• What you get: Friendly customer service and 1x E40 400W HPS grow light bulbs with optimized spectrum;(See more detailed specifications from product description/Band may be various)

Product Description

Size:400W

Specifications: 
Lumens:250w - 31,000lm; 400w - 51,000lm;600w - 90,000lm; 1000w - 140,000lm; 
Color Temp: 2,100k 
CRI: Color Rendering Index: 250w - 24Ra; 400w - 24Ra;600w - 22Ra; 1000w - 25Ra; 
Rated Life: 24,000 hrs 
Base Type: E40 
Bulb Shape: 250w/400w/600w -- T46;1,000w -- ET25 
Features: 
1. This Super HPS grow lamp allows you to stretch your growing season to 365 days a year. 
2. Fine-tune your lighting system to provide optimum spectral energy levels that promote vigorous plant growth. 
3. Super HPS grow lamps provide up to 15% more available energy for plant growth than the standard high pressure sodium lamp. 
4. Super HPS grow lamp's enhanced spectral energy distribution is designed to grow a wider variety of plants. 
Package Contains: 1 x HPS grow light lamp 
Our HPS bulbs can be compatible with both electronic and magnetic ballasts! GWELL grow light bulbs ---have both Blue spectum (Growth Stage) and Red Spectrum (Flowering Stage)-- a better growing for you plants! 

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