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LEDVANCE Sylvania 21120 Compact Fluorescent Light Bulb, 13W, 4100K, Glass, Double Tube
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Vendor: LEDVANCE
Type: light-bulbs
Sku: WBLSDB004YWBGXA
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.
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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 21120 Compact Fluorescent Light Bulb, 13W, 4100K, Glass, Double Tube
$7.90
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Frequently Asked Questions
- Q: What are the dimensions of the Sylvania 21120 bulb? A: The Sylvania 21120 bulb measures one point thirty-eight inches in length, one point thirty-eight inches in width, and four point eighty-eight inches in height.
- Q: What is the wattage of the Sylvania 21120 bulb? A: The Sylvania 21120 bulb uses thirteen watts of energy.
- Q: What is the color temperature of the Sylvania 21120 bulb? A: The color temperature of the Sylvania 21120 bulb is four thousand one hundred Kelvin.
- Q: What type of base does the Sylvania 21120 bulb have? A: The Sylvania 21120 bulb has a two-pin base.
- Q: What is the brightness output of the Sylvania 21120 bulb? A: The Sylvania 21120 bulb provides seven hundred eighty lumens of brightness.
- Q: Is the Sylvania 21120 bulb suitable for outdoor use? A: No, the Sylvania 21120 bulb is designed for indoor use only.
- Q: How do I install the Sylvania 21120 bulb? A: To install the Sylvania 21120 bulb, align the two-pin base with the socket and push firmly until it clicks into place.
- Q: Can I use the Sylvania 21120 bulb in a standard light fixture? A: No, the Sylvania 21120 bulb is compatible only with fixtures designed for two-pin compact fluorescent bulbs.
- Q: How do I properly dispose of the Sylvania 21120 bulb? A: The Sylvania 21120 bulb should be disposed of at a recycling center that accepts fluorescent lamps to ensure safe handling of hazardous materials.
- Q: What is the lifespan of the Sylvania 21120 bulb? A: The Sylvania 21120 bulb has a lifespan of approximately ten thousand hours.
- Q: Is the Sylvania 21120 bulb energy efficient? A: Yes, the Sylvania 21120 bulb is considered energy efficient, using only thirteen watts to produce bright light.
- Q: Does the Sylvania 21120 bulb flicker when first turned on? A: Yes, some users report a brief flicker when turning on the Sylvania 21120 bulb, which is normal for compact fluorescent lighting.
- Q: Can the Sylvania 21120 bulb be used with a dimmer switch? A: No, the Sylvania 21120 bulb is not compatible with dimmer switches.
- Q: Is the Sylvania 21120 bulb safe for use in enclosed fixtures? A: Yes, the Sylvania 21120 bulb can be safely used in most enclosed fixtures as long as there is adequate ventilation.
- Q: What is the CRI (Color Rendering Index) of the Sylvania 21120 bulb? A: The Sylvania 21120 bulb has a Color Rendering Index of eighty-two, which provides good color accuracy.