index

Triangle Bulbs F39T5/841/HO Fluorescent Tube Light Bulb Pack of 10, 39-Watt, Copper

  • $150.62
  • Regular price $215.17
Promo IconWELCOME5: Use code WELCOME5 for 5% off on your first order

Hurrify, 10 item(s) left in stock!

Join Waitlist
Wishlist

Vendor: Triangle Bulbs

Type: light-bulbs

Sku: WBLSDB007ZRWR98

Availability: In Stock

Sold by LightsDaddy, an authorized reseller.

Returns accepted within 30 days  |  support@lightsdaddy.com

✓ Verified
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.

To initiate a return, contact us:

support@lightsdaddy.com +1 281-456-3664
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.

Guarantee safe checkout

Triangle Bulbs F39T5/841/HO Fluorescent Tube Light Bulb Pack of 10, 39-Watt, Copper

$150.62

Frequently Asked Questions

  • Q: What type of base does this fluorescent bulb use? A: This bulb uses a miniature bi-pin base called G5. It is designed for T5 fluorescent fixtures.
  • Q: What is the wattage of the F39T5/841/HO bulb? A: The wattage of this bulb is thirty-nine watts. This power level ensures bright and efficient lighting.
  • Q: What is the color temperature of this bulb? A: The color temperature is four thousand one hundred Kelvin, producing a cool white light. This makes it ideal for workspaces and retail environments.
  • Q: How long is the F39T5/841/HO bulb? A: The bulb measures thirty-four inches in length. This size fits standard T5 fluorescent fixtures.
  • Q: What is the average lifespan of this bulb? A: The average lifespan of this bulb is twenty thousand hours. This longevity reduces the frequency of replacements.
  • Q: How many bulbs are included in the pack? A: The pack includes ten bulbs. This bulk offering is perfect for larger installations.
  • Q: How do I install this fluorescent tube light bulb? A: To install, first ensure the power is off, then align the G5 pins with the fixture sockets and gently twist into place. Always follow safety guidelines.
  • Q: Is this bulb suitable for residential lighting? A: Yes, this bulb is suitable for various residential lighting applications. Its cool white light enhances visibility in kitchens, garages, and basements.
  • Q: Can I use this bulb in an enclosed fixture? A: No, this bulb should not be used in enclosed fixtures. It requires proper ventilation to prevent overheating.
  • Q: How do I clean the F39T5/841/HO bulbs? A: To clean, turn off the power and use a dry cloth to wipe the exterior. Avoid using harsh chemicals or water on the bulb.
  • Q: What is the proper way to store unused bulbs? A: Store unused bulbs in a cool, dry place away from direct sunlight. Ensure they are kept upright to prevent damage.
  • Q: Is this bulb energy-efficient? A: Yes, this bulb is energy-efficient, providing high lumens output with relatively low wattage. It helps reduce electricity costs over time.
  • Q: What should I do if the bulb arrives damaged? A: If the bulb arrives damaged, contact customer support for a replacement or return. Keep the original packaging for easy processing.
  • Q: Does this bulb contain hazardous materials? A: No, this bulb does not contain hazardous materials. It is safe for standard use and complies with safety regulations.
  • Q: What is the lumen output of this bulb? A: The lumen output is three thousand three hundred lumens. This brightness is suitable for illuminating larger areas.