Master Of Light F40CW 4ft tube with cool white 4100K illumination.
Master Of Light F40CW delivers 3200 lumens for bright task lighting.
Master Of Light F40CW features 56 CRI for accurate color rendering.
Master Of Light F40CW 4ft tube shows base-to-base measurement detail.
Master Of Light F40CW four-pack ready for easy replacement.

Master Of Light

Master Of Light F40CW 4ft Fluorescent Tube Bulb – 40W, 4100K Cool White, 4-Pack

High-performance tools and home improvement made for confident daily results

$75.59

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Why customers choose TaskHolt Tools

Overview

Meet the Master Of Light F40CW 4ft fluorescent tubes, a practical choice for everyday spaces that need dependable, consistent brightness. This 4-pack delivers cool white illumination at 4100K, designed to help areas like offices, workshops, retail displays, and kitchens stay clearly lit without glare.

With a solid lumen profile and a reliable color rendering index, these tubes are built to support task-focused environments where visibility matters. The four-tube pack offers convenient replacement and reduces the frequency of reordering, making it a straightforward upgrade for compatible fixtures.

Key specs

  • 4-foot length, 1.5-inch diameter T12 fluorescent tube
  • 4100 Kelvin cool white light
  • 3200 lumens total; 79 lumens per watt
  • 56 CRI for authentic color rendering
  • 20,000 hours rated life; non-dimmable
  • G13 medium bi-pin base; preheat/rapid start circuit
  • Pack includes four tubes

Ideal environments and real-life use cases

  • Offices and workstations where clear, balanced lighting supports productivity
  • Retail display areas that benefit from bright, true-to-color presentation
  • Workshops and garages requiring dependable daytime-like illumination
  • Kitchens and commercial spaces where tasks demand sharp, unobstructed visibility

Notes: The bulb may have a slight end-to-end rattle as part of the factory design; this is normal and not a sign of defect. We are a USA-based small business, and we encourage you to reach out with any order concerns so we can assist promptly.

Why choose Master Of Light

  • Consistent brightness with a practical 4100K cool white tone
  • Solid lumen output and color accuracy suitable for everyday spaces
  • Long-lasting design paired with a simple replacement setup
  • Support and service from a U.S.-based small business

Note: This description emphasizes possibilities and practical benefits based on the data provided. Individual results may vary by fixture and usage. This product is intended as a straightforward replacement option for compatible T12 fixtures with a G13 base.

FAQ

Q: What is included in the 4-pack Master Of Light F40CW?

A: A four-tube set for 4ft fixtures with 4100K cool white light; includes preheat/rapid-start circuitry and G13 bases.

Q: Is the F40CW compatible with existing F40T12 fixtures?

A: Yes. These tubes fit standard G13-based T12 fixtures and replace multiple F40-series models listed in the product name.

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