Caprock
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Caprock Full Spectrum Bulb - T4 12W 6400K - Simulates Natural Daylight Circline Fluorescent
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Caprock Full Spectrum Bulb - T4 12W 6400K - Simulates Natural Daylight Circline Fluorescent
This bulb provides bright daylight illumination with a Kelvin temperature of 6400 degrees. It has a 4 pin brass connector and is designed to fit lamps with 4.75 inches outside diameter.
Caprock Full Spectrum Bulb - T4 12W 6400K - Simulates Natural Daylight Circline Fluorescent
Item #: 46579421

Caprock Full Spectrum Bulb - T4 12W 6400K - Simulates Natural Daylight Circline Fluorescent

85% of respondents would recommend this to a friend

Item #: 46579421

GYD 6815

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This bulb provides bright daylight illumination with a Kelvin temperature of 6400 degrees. It has a 4 pin brass connector and is designed to fit lamps with 4.75 inches outside diameter.
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What Stands Out

Natural Light Simulation
Mimics natural daylight with a color temperature of 6400K, enhancing visual comfort and reducing eye strain, perfect for any workspace or home setting.
Energy Efficient
Consuming just 12W, this bulb offers high brightness while being environmentally friendly, saving on electricity bills and reducing carbon footprint.
Versatile Use
Ideal for various applications, including indoor gardening, offices, and artistic projects, providing balanced lighting that enhances colors and details.

Product Details

Get the T4 12W 6400K Full Spectrum Fluorescent Bulb that Simulates Natural Daylight. Shop Now from Ubuy Guyana - Your Global Shopping Destination.
  • Replaces 12W Victory Full Spectrum Bulb
  • 6400 degrees Kelvin for simulated daylight illumination
  • 4.75 inches outside diameter
  • 4 pin brass connector, pins face outside the lamp
  • T4 tubing is one-half inch in diameter
  • Designed for magnifiers and desk lamps, swiveling collar for adjustable illumination
Light TypeFluorescent
Additional FeaturesReplaces Victory-brand lamp no longer available
Wattage12
Bulb Shape SizeT4
Specific Uses For ProductLamp
Light ColorDaylight White
Color Temperature6400 Kelvin
Light Source TypeFluorescent
Light Source Wattage12 watts
Control MethodApp
Controller TypePush Button
Connectivity TechnologyNormal bulb
ShapeCircular
Brand NameCaprock
Number of Items1
ManufacturerCaprock
Manufacturer Part NumberFSL/T4/6400/4.75
Unit Count1 Count
Item Dimensions W x H4.75"W x 4.75"H
Material TypeGlass
BrandCaprock
Special FeatureReplaces Victory-brand lamp no longer available

Who Should Buy?

Suitable For
  • Photography Enthusiasts

    Provides natural daylight simulation, ideal for accurate color representation in photography and videography.

  • Indoor Plant Growers

    Full spectrum light promotes healthy growth in indoor plants, essential for thriving foliage and blooming.

  • Workspace Lighting

    Bright and natural light reduces eye strain and boosts productivity in home or office environments.

Not Suitable For
  • Low Light Areas

    Less effective in dimly lit spaces, as it may not provide adequate illumination for some settings.

Product Description

Caprock Full Spectrum Bulb - T4 12W 6400K - Simulates Natural Daylight Circline Fluorescent

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is a Full Spectrum Bulb and why should I use it?

    Answer: A Full Spectrum Bulb mimics natural daylight, providing a balanced spectrum of light that is ideal for various applications such as plant growth, photography, or general illumination. This 12W T4 bulb specifically emits at 6400K, replicating the cool, bright light of a sunny day, which can enhance mood and productivity. Full Spectrum bulbs are particularly beneficial for those working in environments with limited natural light, as they help in reducing eye strain and improving focus during long hours of work.
  • Question: Can I use the Full Spectrum Bulb for plant growth?

    Answer: Yes, the Full Spectrum Bulb is excellent for plant growth! Its 6400K color temperature promotes healthy photosynthesis and supports optimal growth during the vegetative stage of plants. This is especially useful for indoor gardening, where sunlight may be limited. Using a Full Spectrum Bulb can provide your plants with the necessary light they need to flourish, whether you are growing herbs, flowers, or vegetables indoors.
  • Question: Is the T4 12W bulb energy-efficient?

    Answer: Absolutely, the T4 12W Full Spectrum Bulb is designed to be energy-efficient while providing ample light output. Compared to traditional incandescent bulbs, fluorescent bulbs typically consume less energy and have a longer lifespan. This makes them a more sustainable choice for both home and professional environments, allowing you to save on electricity costs while still achieving high-quality lighting for various applications.
  • Question: What types of fixtures are compatible with this bulb?

    Answer: The T4 12W Full Spectrum Bulb is compatible with most standard circline fixtures. It is designed to fit easily into existing light setups without any special modifications needed. This makes it a versatile choice for anyone looking to upgrade their lighting solution for both residential or commercial applications. You can use it in kitchens, offices, or even in art studios where accurate color representation is crucial.
  • Question: Does this bulb flicker or hum when turned on?

    Answer: High-quality Full Spectrum Bulbs like the T4 12W are typically engineered to minimize flickering and humming, delivering stable and consistent light. This is particularly important for work environments where concentration is key, as flickering lights can cause distractions and eye discomfort. If you experience any flickering, ensure that your fixture is compatible and functioning properly to enjoy the full benefits of this bulb.
  • Question: What are the benefits of using a Full Spectrum Bulb in my workspace?

    Answer: Using a Full Spectrum Bulb in your workspace can significantly enhance productivity and mood. The bright, natural lighting mimics daylight, which can help reduce fatigue and improve alertness throughout the day. Additionally, such lighting creates an inviting and well-lit atmosphere, which is essential for maintaining a motivated and engaged work environment. This is beneficial in both color-critical jobs like graphic design and general office settings.
  • Question: Is it safe to use in enclosed fixtures?

    Answer: Yes, the T4 12W Full Spectrum Bulb is generally safe to use in enclosed fixtures, provided the fixture is rated for that wattage. It is advisable to check the manufacturer's specifications for the fixture to ensure proper airflow and avoid overheating. Using this bulb in enclosed fixtures allows you to create beautiful lighting effects in spaces like living rooms or display areas while ensuring safety and longevity.
  • Question: How does the 6400K color temperature affect mood?

    Answer: The 6400K color temperature produced by the Full Spectrum Bulb enhances alertness and overall well-being. This cool light mimics the midday sun, promoting a stimulating environment that can combat feelings of lethargy. Many users find that working under such lighting conditions boosts their focus and energy levels, making it a great choice for both office and creative spaces.
  • Question: What is the expected lifespan of the T4 12W Full Spectrum Bulb?

    Answer: The T4 12W Full Spectrum Bulb is designed for longevity and typically lasts significantly longer than traditional incandescent bulbs. Users can expect up to 10,000 hours of use depending on conditions. This makes it an economical choice for anyone looking to reduce the frequency of bulb replacements, especially in areas where lights are frequently used, such as kitchens, workshops, or studios.
  • Question: Where can I buy the Full Spectrum Bulb - T4 12W 6400K?

    Answer: You can purchase the Full Spectrum Bulb - T4 12W 6400K from Ubuy in Guyana. Ubuy offers a wide selection of lighting solutions, ensuring you find the right product that meets your needs.

Caprock Fluorescent Tubes Editorial Review

Caprock Full Spectrum Bulb - T4 12W 6400K - Simulates Natural Daylight Circline Fluorescent is designed to provide bright, daylight white light with a 6400 Kelvin color temperature, making it a great choice for various lighting needs. With easy installation and a design that replaces the discontinued Victory-brand lamp, this 12-watt fluorescent bulb offers a dependable lighting solution. However, some users reported issues with the bulb not functioning properly out of the box, including problems with the connector. Overall, while it can effectively illuminate your space, quality control seems to be a concern for some users.

Customer Reviews & Ratings

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Pros

  • Simulates natural daylight effectively
  • Easy to install for quick use
  • Compact T4 bulb shape fits various fixtures
  • Replaces outdated Victory-brand lamps
  • Fluorescent light source conserves energy

Cons

  • Some bulbs may arrive damaged or non-functional

Platform Trust & Buyer Confidence

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Jasmin
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“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot
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“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
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Adele
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“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
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GYD 6815

Order now and get it around Sunday, October 04

QTY:

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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
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Fastest cross-border delivery

Features & Benefits

  • Provides bright daylight illumination
  • 6400 degrees Kelvin
  • 4 pin brass connector
  • 4.75 inches outside diameter
  • Designed to fit lamps with 4.75 inches outside diameter
  • Cannot be used in fixtures where the pins face inside the lamp

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