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EarthLED Total Product Insight
Performance Specifications
Replacement for: T8 or T12 4 Foot Fluorescent Tube
Brightness (Lumens): 2000
Color Temperature: 4000K | 5000K
Color Accuracy (CRI): 80
Dimensions 1.02” x 47.2”
Power Consumption: 18 Watts
Voltage: 120-277 Volts
Dimmable: No
Dimensions / Additional Data
Certifications: UL, DesignLights (DLC) 
Product/Order Code: 4000K - 18WT8P-4F-40K-BYP
5000K - 18WT8P-4F-50K-BYP
Lifespan / Cost To Run
Projected Life:
@3 hrs/Day
50,000 Hrs
Yearly Energy Cost:
3 hrs/Day @ .11 kWh
$2.17
Warranty 5 Year Thinklux Lighting Limited Warranty
EarthLED Product Protection Plan is Available
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Thinklux LED Fluorescent Replacement Tube - 4 Foot - 18 Watt - Ballast Bypass - DLC Qualified - Shatterproof

  • $10.99 + FREE Shipping!
  • Thinklux LED Fluorescent Replacement Tube - 4 Foot - 18 Watt - Ballast Bypass - DLC Qualified - Shatterproof 4.9 191
  • Buy More and Save: Just $ per bulb in a 100 pack.

Unit Type Price Qty Inventory
  • 1 Piece $12.99$10.99 In Stock
  • 20 Pieces $249.00$199.80 In Stock
  • 100 Pieces $1,049.00$899.00 In Stock
  • 1 Piece $12.99$10.99 15 left.
  • 20 Pieces $249.00$199.80 In Stock
  • 100 Pieces $1,049.00$899.00 In Stock
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Volume Quote
Thinklux LED Fluorescent Replacement Tube Light - 2 Foot - 9 Watt - Ballast Bypass - DLC Qualified - Shatterproof
Thinklux LED Fluorescent Replacement Tube
9 Watts, 1000 Lumens
Replaces Up to 20 Watts
Non-Dimmable
120-277V
$7.98
Buy More and Save: Just $ per bulb in a 100 pack.
Best Seller Badge Thinklux LED Fluorescent Replacement Tube - 4 Foot - 18 Watt - Ballast Bypass - DLC Qualified - Shatterproof
Thinklux LED Fluorescent Replacement Tube
18 Watts, 2000 Lumens
Replaces Up to 40 Watts
Non-Dimmable, G13 Bi-Pin(T8/T12)
120-277V
$10.99
Buy More and Save: Just $ per bulb in a 100 pack.

Color Temperature Guide (What's This?)

1600K
6500K
  • Description
  • Specifications
  • Reviews
  • The most affordable way to retrofit to LED.

    LED T8 T12 Fluorescent Replacement Tube Lights from Thinklux

    Spec for Spec, the best value LED retrofit tubelight on the market. 2000 Lumens of Performance!

    Retrofit your existing tube fixtures to LED in a matter of minutes with their ballast bypass design. Designed to replace both T8 and T12 fluorescents,Thinklux fluorescent replacement tubes are rated for an L70 lifetime of 50,000 hours, these LED tube lights will also save you on maintenance time and costs since they will continue running many times over the typical fluorescent tube life with no flickering or ballast issues.

    Install Notes: Please read our Installation Guide before purchasing. Ballast must be disconnected before use. Looking for ballast compatible tube lights? (Click Here)

      • Thinklux LED Retrofit tube is T8 (1 in.) diameter but works in both T8 or T12 fixtures once ballast is disconnected.
      • Retrofitting a T8 (1 in.) Tube? Be sure to purchase One (1) non-shunted tombstone/lampholder for each tube light: Purchase Here
      • Have a T12 (1.5 in.) Tube? You are all set! No tombstone change required.
      • Not for use with dimmers.

    Key Features

    • 18 watt Low Power and High Performance
    • 2000 Lumens Output
    • Shatterproof polycarbonate construction
    • C-UL-US E349551 Certified
    • UL-US E347350 Certified - LED tube and Internal driver system
    • Rated Lifetime: 50,000 hours
    • Opaque Frosted Lens to Mimic Traditional Fluorescent Tube
    • Easy, fast & safe installation: wire to one end
    • Design Lights (DLC) Qualified Rebate Ready

    Downloads and Documentation

    Installation Guide
  • EarthLED Total Product Insight
    Performance Specifications
    Replacement for: T8 or T12 4 Foot Fluorescent Tube
    Brightness (Lumens): 2000
    Color Temperature: 4000K | 5000K
    Color Accuracy (CRI): 80
    Dimensions 1.02” x 47.2”
    Power Consumption: 18 Watts
    Voltage: 120-277 Volts
    Dimmable: No
    Dimensions / Additional Data
    Certifications: UL, DesignLights (DLC) 
    Product/Order Code: 4000K - 18WT8P-4F-40K-BYP
    5000K - 18WT8P-4F-50K-BYP
    Lifespan / Cost To Run
    Projected Life:
    @3 hrs/Day
    50,000 Hrs
    Yearly Energy Cost:
    3 hrs/Day @ .11 kWh
    $2.17
    Warranty 5 Year Thinklux Lighting Limited Warranty
    EarthLED Product Protection Plan is Available
    break

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Why buy from EarthLED?