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Goodbulb 28-Watt T5 Fluorescent Light Bulb - 4100K Cool White, 2900 Lumens, 40 Count Pack
WELCOME5: Use code WELCOME5 for 5% off on your first order
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Vendor: GoodBulb
Type: light-bulbs
Sku: WBLSDB08HR8KW7X
Availability: In Stock
Sold by LightsDaddy, an authorized reseller.
Returns accepted within 30 days | support@lightsdaddy.com
Shipping Information
- Free Standard Shipping — United States only
- Processing Time: 1–3 business days
- Estimated Delivery: 3–5 business days after dispatch
- Securely packed to protect your lighting fixtures during transit
- Tracking number sent via email once dispatched
- Orders over $250 require signature upon delivery. Taxes calculated at checkout.
Returns & Refund
Returns accepted within 30 days of delivery.
Damaged or Defective Item
Free return shipping + replacement or full refund
Wrong Item Received
Free return shipping + replacement or full refund
Change of Mind
Return shipping at customer's expense · Item must be unused & in original packaging
All returns require a Return Authorization (RA) number before sending.
View Full Return & Refund Policy
Safety & Compliance
⚠️
California Proposition 65 Warning
Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
www.P65Warnings.ca.gov
⚡
Electrical Safety Warning
All electrical products must be installed by a qualified electrician in accordance with local wiring regulations. Incorrect installation may result in fire, electric shock, or injury.
Always disconnect power at the circuit breaker before installation.
💡
Bulb & Usage Advisory
Do not exceed the maximum wattage specified on the fixture label. Keep away from flammable materials. Allow adequate ventilation around the fixture.
Keep out of reach of children. Not suitable for wet locations unless rated IP65 or higher.
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Goodbulb 28-Watt T5 Fluorescent Light Bulb - 4100K Cool White, 2900 Lumens, 40 Count Pack
$247.15
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Frequently Asked Questions
- Q: What are the dimensions of the GoodBulb fluorescent light bulb? A: Each GoodBulb fluorescent light bulb measures three inches in length, width, and height. These compact dimensions make them suitable for various fixtures.
- Q: How many bulbs come in a pack? A: The GoodBulb fluorescent light bulbs come in a pack of forty. This bulk packaging is ideal for commercial and residential use.
- Q: What is the color temperature of the GoodBulb light bulb? A: The GoodBulb light bulb has a color temperature of four thousand one hundred Kelvin. This cool white light creates a bright and inviting atmosphere.
- Q: How do I install the GoodBulb fluorescent light bulbs? A: Installation is straightforward; simply replace existing bulbs with the GoodBulb fluorescent light bulbs. They have a medium bi-pin base for easy compatibility.
- Q: Are these bulbs compatible with F28T5 fixtures? A: Yes, these bulbs are fully compatible with F28T5 fixtures and ballasts. They can directly replace any existing F28T5 bulbs.
- Q: Can I use these bulbs in a home or office setting? A: Yes, these bulbs are perfect for both home and office settings. They provide high output and durability, making them ideal for various environments.
- Q: What is the lifespan of the GoodBulb fluorescent light bulb? A: The lifespan of each GoodBulb light bulb exceeds thirty-six thousand hours. This longevity helps reduce replacement frequency and costs.
- Q: Do I need any special tools for installation? A: No, no special tools are required for installation. Just ensure your fixture is compatible and you can replace the bulbs easily.
- Q: How should I care for my GoodBulb light bulbs? A: To keep your GoodBulb light bulbs in good condition, handle them carefully during installation. Avoid touching the glass with bare hands to prevent oil buildup.
- Q: Are these bulbs safe to use in enclosed fixtures? A: Yes, these bulbs are safe for use in enclosed fixtures. Ensure proper ventilation to maintain optimal performance.
- Q: What should I do if a bulb arrives damaged? A: If a bulb arrives damaged, contact customer support for a replacement. Keep the original packaging for any return claims.
- Q: What kind of warranty do these bulbs have? A: The GoodBulb fluorescent light bulbs come with a limited warranty covering defects. Check the packaging for specific details.
- Q: Are these bulbs energy-efficient? A: Yes, these bulbs are energy-efficient, consuming only twenty-eight watts while providing twenty-nine hundred lumens of brightness.
- Q: How do GoodBulb bulbs support social causes? A: A portion of every GoodBulb purchase helps provide solar-powered LED lanterns to families without electricity. This initiative supports global community welfare.
- Q: Can these bulbs be used outdoors? A: These bulbs are designed for indoor use. For outdoor applications, ensure they are in a suitable fixture to avoid moisture exposure.
- Q: What is the CRI of these bulbs? A: The Color Rendering Index (CRI) of these bulbs is eighty-five. This high CRI ensures accurate color representation in illuminated spaces.