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Ledvance Sylvania 21278 Compact Fluorescent Tube, 5W, 4000K, Glass, 1 Count
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Vendor: LEDVANCE
Type: light-bulbs
Sku: WBLSDB0088BHUHE
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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Ledvance Sylvania 21278 Compact Fluorescent Tube, 5W, 4000K, Glass, 1 Count
$8.61
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Frequently Asked Questions
- Q: What are the dimensions of the Sylvania 21278 Compact Fluorescent bulb? A: The Sylvania 21278 bulb measures four point nineteen inches in length, one point twenty-five inches in width, and approximately one point thirty-eight inches in height.
- Q: What material is the Sylvania 21278 bulb made of? A: The Sylvania 21278 bulb is made of glass, which provides durability and effective light transmission.
- Q: What is the wattage and brightness of this compact fluorescent lamp? A: This lamp uses five watts of energy and produces two hundred fifty-seven lumens of brightness.
- Q: How do I install the Sylvania 21278 Compact Fluorescent bulb? A: To install, simply align the two pins of the bulb with the socket and gently twist it into place until secure.
- Q: Is the Sylvania 21278 bulb suitable for residential use? A: Yes, this bulb is ideal for residential applications, providing efficient lighting for various rooms.
- Q: Can this bulb be used in outdoor fixtures? A: No, the Sylvania 21278 bulb is designed for indoor use only and should not be exposed to outdoor elements.
- Q: How do I clean the Sylvania 21278 bulb? A: To clean the bulb, turn it off and allow it to cool, then wipe it gently with a soft, dry cloth to remove dust.
- Q: What is the lifespan of the Sylvania 21278 bulb? A: The Sylvania 21278 bulb has an average lifespan of ten thousand hours, ensuring long-lasting use.
- Q: Is this bulb energy efficient? A: Yes, at five watts, the Sylvania 21278 bulb is energy efficient, helping to reduce electricity costs.
- Q: What type of ballast is compatible with this bulb? A: The Sylvania 21278 bulb is compatible with magnetic ballasts, which are commonly used in fluorescent lighting systems.
- Q: How does the color temperature of the bulb affect its lighting? A: The bulb has a color temperature of four thousand Kelvin, providing a neutral white light that enhances visibility.
- Q: Can I use this bulb in a dimmer switch? A: No, the Sylvania 21278 bulb is not compatible with dimmer switches and should be used with standard on/off switches.
- Q: What should I do if the bulb arrives damaged? A: If the bulb arrives damaged, contact the retailer for a replacement or refund according to their return policy.
- Q: Is there a warranty for the Sylvania 21278 bulb? A: Yes, the product typically comes with a warranty, but check with the retailer for specific details.
- Q: What if the bulb flickers after installation? A: If the bulb flickers, ensure it is securely installed and check the compatibility with the ballast.
- Q: Where can I purchase the Sylvania 21278 bulb? A: The Sylvania 21278 bulb is available at major home improvement stores and online retailers.