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SYLVANIA 400W ED37 MH Unprotected Arc Tube 4000K ANSI M59/S Mogul Base
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Vendor: Sylvania
Type: Light Bulbs
Sku: WBLSDB011Y53RMM
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: 3–5 business days
- Estimated Delivery: 6–10 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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SYLVANIA 400W ED37 MH Unprotected Arc Tube 4000K ANSI M59/S Mogul Base
$50.46
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Frequently Asked Questions
- Q: What is the color temperature of this bulb? A: The color temperature is four thousand Kelvin. This provides a bright, white light that's ideal for various applications.
- Q: What is the shape of this bulb? A: The bulb shape is ED37. This design is commonly used for its efficient light distribution.
- Q: What is the size of this bulb? A: The bulb measures eleven point twenty-six inches in length, five point fifty-one inches in width, and five point fifty-one inches in height.
- Q: What is the ANSI code for this bulb? A: The ANSI code is M59/S. This code helps identify the specific type of ballast required for operation.
- Q: What is the brand of this bulb? A: The brand is SYLVANIA. They are known for producing reliable and high-quality lighting products.
- Q: How do I install this bulb? A: To install, screw the bulb into a compatible mogul base socket. Ensure the power is off before installation for safety.
- Q: Is this bulb suitable for indoor use? A: Yes, this bulb is suitable for indoor use. It's ideal for commercial and industrial lighting applications.
- Q: Can I use this bulb outdoors? A: No, this bulb is not designed for outdoor use. It is an unprotected arc tube and should be used in enclosed fixtures.
- Q: How do I care for this bulb? A: To care for the bulb, avoid touching the glass with bare hands. If cleaning is needed, use a soft, dry cloth.
- Q: What is the lifespan of this bulb? A: The average lifespan is approximately twenty thousand hours. This longevity makes it a cost-effective lighting solution.
- Q: Is this bulb energy-efficient? A: Yes, this bulb is energy-efficient for its type. It provides high lumens per watt, making it suitable for various lighting needs.
- Q: What should I do if the bulb arrives damaged? A: If the bulb arrives damaged, please contact the seller for a replacement or return. Ensure you have the original packaging for the return process.
- Q: Does this bulb come with a warranty? A: Yes, this bulb typically comes with a warranty. Please check the specific warranty terms provided by SYLVANIA.
- Q: Can I return the bulb if I'm not satisfied? A: Yes, you can return the bulb if you are not satisfied. Check the return policy for specific conditions and time frames.
- Q: Is this bulb dimmable? A: No, this bulb is not dimmable. It operates at full brightness once powered on.
- Q: What type of ballast do I need for this bulb? A: You need an M59 ballast for this bulb. This is essential for proper operation and performance.