SKU: 50360550228
400w grow light bulb

400w grow light bulb LUMii

Sale price$23.10 Regular price$25.67
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Description

400w grow light bulb LUMiiRADIUM High Pressure Sodium Lamp 400W E40 Ultra Warm White 2100K Industrial & Horticultural Lighting The RADIUM High Pressure Sodium Lamp RNP T LR 400W is a powerful, professional grade lighting solution designed for demanding industrial and horticultural applications. Delivering an impressive 56,500 lumens with a high luminous efficacy of 141 lm W, this lamp ensures excellent light output and energy efficiency for large areas. With its ultra warm


  • RADIUM High Pressure Sodium Lamp 400W E40 – Ultra Warm White 2100K – Industrial & Horticultural Lighting

    The RADIUM High Pressure Sodium Lamp RNP-T/LR 400W is a powerful, professional-grade lighting solution designed for demanding industrial and horticultural applications. Delivering an impressive 56,500 lumens with a high luminous efficacy of 141 lm/W, this lamp ensures excellent light output and energy efficiency for large areas.

    With its ultra warm white light (2100K) and classic E40 base, this high pressure sodium lamp is ideal for greenhouses, street lighting, warehouses, and other commercial environments where reliable, high-intensity illumination is required. Manufactured by RADIUM, a trusted name in professional lighting, this lamp is built for consistent performance when used with standard transformers.


    🔧 Key Features & Benefits

    • High light output: 56,500 lumens for wide and powerful illumination

    • Efficient performance: 141 lm/W luminous efficacy

    • Ultra warm white light: 2100K for natural, comfortable lighting

    • Professional quality: Designed for industrial & horticultural use

    • Long-established technology: Reliable high pressure sodium lamp


    📋 Technical Specifications

    • Article Number: RA34411127

    • Manufacturer: RADIUM

    • Lamp Type: High Pressure Sodium Lamp (RNP-T/LR)

    • Power Consumption: 400 W

    • Energy Efficiency Class: E

    • Energy Consumption: 440 kWh / 1,000 h

    • Operating Voltage: 230 V

    • Frequency: 50 Hz

    • Socket/Base: E40

    • Light Colour: Ultra Warm White

    • Colour Temperature: 2100 K

    • Luminous Flux: 56,500 lm

    • Luminous Efficacy: 141 lm/W

    • Colour Rendering Index (CRI): Ra 20

    • Average Luminance Density: 750 cd/cm²

    • Lamp Current: 4.4 A

    • Compensation Capacitor: 45 µF

    • Mercury Content: 24.0 mg

    • EPREL Number: 869016

    • WEEE: 0.13


    📐 Dimensions

    • Length: 28.5 cm

    • Diameter: 4.7 cm


    ⚠️ Important Notes

    • Not suitable for use in luminaires with or without safety glass

    • For use with standard transformers only

    • Professional installation recommended


    📦 Package Contents

    • 1 × RADIUM High Pressure Sodium Lamp 400W (E40)


    This RADIUM 400W High Pressure Sodium Lamp is an excellent choice for professionals seeking strong, reliable, ultra warm white lighting with proven efficiency. Perfect for industrial, commercial, and horticultural applications.

    If you want, I can also:

    • Optimize this for eBay item specifics

    • Create a short mobile-friendly description

    • Rewrite it for horticulture-only or industrial-only buyers

    You said:
    LUMII 400W SUNBLASTER HPS GROW LAMP The 400w LUMii SunBlaster Auto HPS grow lamp could possibly be the perfect dual spectrum grow lamp. With increased output and an emphasis on the blue spectrum, they’ll encourage equal amounts of growth during the vegetative stage and bloom, meaning no need to change lamps for optimum flower production. The crystal glass used on the 400w LUMii SunBlaster has a constant thickness that allows the light to emit evenly. LUMii also avoided using a barium film which can darken or blacken the glass, giving reduced output, so with less gas impurities, the emitted light is a lot cleaner and more stable. Combined with an E40 mechanical double layer fitting, the SunBlaster has a lifespan of 32,000 hours and the output is as follows: 140 lumens per watt / 56000 lumens in total Now do the same for this.
    ChatGPT said:

    Here’s an SEO-rich, eBay-optimized product description for the LUMii 400W SunBlaster HPS Grow Lamp, written to convert buyers while ranking well in search.


    LUMII 400W SUNBLASTER HPS GROW LAMP – DUAL SPECTRUM – E40 – HIGH OUTPUT

    The LUMii 400W SunBlaster HPS Grow Lamp is a premium dual spectrum high pressure sodium grow light, engineered to deliver outstanding results throughout both vegetative growth and flowering stages. With enhanced blue spectrum output, this lamp promotes strong, balanced plant development—eliminating the need to swap lamps between growth cycles.

    Designed for serious growers, the SunBlaster uses high-quality crystal glass with uniform thickness, ensuring consistent and even light distribution across your grow area. Unlike many standard HPS lamps, no barium film is used, preventing glass blackening over time and maintaining maximum light output for longer. The result is a cleaner, more stable light spectrum with reduced gas impurities.

    Featuring a robust E40 double-layer mechanical fitting, the LUMii SunBlaster offers excellent durability and a long operational life, making it a reliable and cost-effective choice for indoor growing environments.


    🌱 Key Features & Benefits

    • Dual spectrum HPS grow lamp – suitable for veg & bloom

    • Enhanced blue spectrum for strong vegetative growth

    • No lamp change required between growth stages

    • Crystal glass construction for even light emission

    • No barium film – prevents darkening & output loss

    • Stable, clean light output with reduced impurities

    • Long lifespan – up to 32,000 hours


    💡 Performance & Output

    • Power: 400W

    • Luminous Efficacy: 140 lumens per watt

    • Total Light Output: 56,000 lumens


    🔧 Technical Specifications

    • Brand: LUMii

    • Model: SunBlaster

    • Lamp Type: HPS (High Pressure Sodium) Grow Lamp

    • Spectrum: Dual Spectrum (Veg & Flower)

    • Base / Socket: E40

    • Fitting: Mechanical double layer

    • Rated Lifespan: 32,000 hours

    • Application: Indoor growing, hydroponics, horticulture


    📦 Package Contents

    • 1 × LUMii 400W SunBlaster HPS Grow Lamp


    ✅ Ideal For

    • Indoor grow rooms & grow tents

    • Hydroponic systems

    • Soil & coco growing setups

    • Growers wanting one lamp for the full grow cycle


    The LUMii 400W SunBlaster HPS Grow Lamp delivers professional-level performance, stability, and efficiency—making it a trusted choice for growers who demand reliable results from seed to harvest.




Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 50360550228

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I order paper plates all the time and these paper plates are very good they’re strong they’re so thick they look great and I’ll order them again I do however wish the price point a bit better it is not outrageous though.
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Reviewed in the United States on September 5, 2025
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Tom Sugden
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Was sick of buying 50 plates at a time from the grocery store all the time. These are durable, not thin or flimsy like most. Even moist food wont leak through. Good stuff
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Pawtucket, US
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