T8 retrofit kits

At Warehouse-Lighting.com we carry a wide selection of t8 conversions or retrofit light kits for all applications. Our kits come in assorted lengths and width for converting you old t12’s to more brighter and more energy efficient t8’s fluorescents. T8 kits come for converting strip lights both 4 and 8 foot and troffers 2 x 2, 1 x 4, and 2 x 4 sizes with very little work. We offer many options in re-lamping these fixtures with a multitude of bulb and ballast factor to conform to your local and national rebates offer form Low, Normal and high.

28 products
LED Magnetic Strip Retrofit Kit for 2FTx4FT Troffer or Industrial Strip Fixtures, 50 watt, 120-277V

2 x 4 Foot LED Magnetic Strip Retrofit Kit for Troffer or Industrial Strip Fixtures, 50 watt, 120-277V

19 Reviews

  • Brand: WareLight
  • Wattage / Lumens:
    • 50 / 7050
  • Voltage: 120-277
  • CRI: 80
  • CCT: 5000K
  • Listings: DLC Premium, ETL
  • 5 year warranty
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ITEM: R6-24TR50W50K

Regular price $73.50 Sale price$56.18
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LED Magnetic Strip Retrofit Kit for 4 Foot Troffer or Industrial Strip Fixtures, 32 watt, 120-277V

4 Foot LED Magnetic Strip Retrofit Kit for Troffer or Industrial Strip Fixtures, 32 watt, 120-277V

19 Reviews


  • Brand: WareLight
  • Wattage: 32
  • Lumens: 4500
  • Voltage: 120-277
  • CRI: 80
  • Color Temp: 4000K
  • Listings: DLC Premium, ETL
  • 5 year warranty
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ITEM: R6-24TR32W40K

Regular price $56.00 Sale price$42.80
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LED Magnetic Strip Retrofit Kit for 2FTx2FT Troffer Fixtures, 20 watt, 120-277V

2 x 2 Foot LED Magnetic Strip Retrofit Kit for Troffer Fixtures, 20 watt, 120-277V

19 Reviews

  • Brand: WareLight
  • Wattage / Lumens:
    • 20 / 2445
  • Voltage: 120-277
  • CRI: 80
  • Color Temp: 4000K, 5000K
  • Listings: DLC Premium, ETL
  • 5 year warranty
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ITEM: R6-22TR20W40K

Regular price $44.80 Sale price$34.24
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8 Foot Lensed LED Magnetic Strip Retrofit Kit for Strip Fixtures, 50 watt, 120-277V

8 Foot Lensed LED Magnetic Strip Retrofit Kit for Strip Fixtures, 50 watt, 120-277V

19 Reviews

  • Brand: WareLight
  • Wattage: 50
  • Voltage: 120-277
  • Lumens: 6100
  • CRI: 80
  • Color Temp: 5000K
  • Listings: DLC and ETL
  • 5 year warranty
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ITEM: R4-28TRF4S50W50K

Regular price $90.30 Sale price$69.02
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2x4 Troffer Retrofit Kit 2 Lamps x F32T8 (shown with specular reflector)

2 x 4 Foot Troffer Retrofit Kit 2 Lamps x F32T8

  • Brand: WareLight
  • Changes fixture from T12 to T8
  • Lamp Type: 32 Watt T8 - 4' (not included)
  • Number of Lamps: 2
  • Reflector Type: White or Specular (included)
  • Ballast Not Included.
  • Usually Ships 3-5 Business Days

ITEM: RF-T4WH232

Regular price $33.23 Sale price$19.01
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LED Magnetic Strip Retrofit Kit for 2'x4' Troffer or Industrial Strip Fixtures

4 Foot LED Magnetic Strip Retrofit Kit for Troffer or Industrial Strip Fixtures, 20 watt, 120-277V

19 Reviews

  • Brand: WareLight
  • Wattage / Lumens:
    • 20 / 2500
  • Voltage: 120-277
  • CRI: 80
  • Color Temp: 4000K
  • Listings: DLC and ETL
  • 5 year warranty
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ITEM: R2-14TR20W40K

Regular price $51.88 Sale price$39.65
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2 x 4 Foot Lensed Recessed Troffer Retro Fit Kit 40 watt

2 x 4 Foot Lensed Recessed Troffer Retro Fit Kit 40 watt

  • Brand: Maxlite
  • Wattage: 40
  • Voltage: 120-277
  • CCT / Lumens:
    • 3500K / 4060
    • 4100K / 4130
    • 5000K / 4180
  • CRI: >80
  • 0-10V Dimming
  • L70 Life (Hours): 50000
  • Warranty: 5 year limited
  • Listings: DLC, UL Damp
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ITEM: LRK24D4035

As low as $191.56
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8 Foot Low Profile LED Strip Retrofit, 24 Watt, 120-277V, 3657 Lumens, 4000K or 5000K

8 Foot Low Profile LED Strip Retrofit, 24 Watt, 120-277V, 3657 Lumens, 4000K or 5000K

  • Brand: Industrial Lighting Products
  • Wattage: 24
  • Voltage: 120 - 277
  • Lumens: 3657
  • CCT: 4000K or 5000K
  • CRI: >80
  • Life: 100000 hours
  • Listings: ETL, DLC Premium
  • Warranty: 5 Years
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ITEM: RX8-24W-U-40

As low as $84.00
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2x 4 LED Troffer Retrofit Kit, Series Center Basket

2 x 4 Foot LED Troffer Retrofit Kit, Center Basket

  • Brand: Saylite
  • Size: 2x4
  • Wattage: 28, 32, 48, 57 or 62
  • Lumen Output: 28 Watt= 3900Lm, 32 Watt= 4650Lm, 48 Watt=6750Lm, 57 Watt= 7800Lm, 62 Watt=8100Lm
  • Voltage: 120V-277V
  • Dimming: 0-10V
  • Color Temp: 3000K, 3500K, 4000K or 5000K
  • Reflector: Perforated Basket or Ribbed Acrylic
  • Call for more options i.e. wireless dimming and emergency backup
  • 5 Year Warranty
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ITEM: DFUCLL24LF

Regular price $159.00 Sale price$128.95
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2x2 Troffer Retrofit Kit 2 Lamps x F17T8

2 x 2 Foot Troffer Retrofit Kit 2 Lamps x F17T8

  • Brand: WareLight
  • Changes fixture from T12 to T8
  • Lamp Type: 17 Watt T8 - 2' (not included)
  • Number of Lamps: 2
  • Reflector Type: 91% White Reflector
  • Ballast Not Included
  • Socket Type: Shunted
  • Usually Ships 3-5 Business Days

ITEM: RF-T2WH217

Regular price $27.68 Sale price$19.00
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2x2 Troffer Retrofit Kit 2 Lamps x F17T8

2 x 2 Foot Troffer Retrofit Kit 2 Lamps x F17T8 - Includes Ballast

  • Brand: WareLight
  • Changes fixture from T12 to T8
  • Lamp Type: 17 Watt T8 - 2' (not included)
  • Number of Lamps: 2
  • Reflector Type: 91% White Reflector
  • Ballast: Instant Start (included)
  • Ballast Factor: Normal (NBF-0.88) or High (HBF-1.25)
  • Usually Ships 3-5 Business Days

ITEM: RF-T2WH217UINN

Regular price $41.54 Sale price$23.77
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2'x2' LED Built In Frame Troffer Retrofit Kit, 25W or 30W

2 x 2 Foot LED Built In Frame Troffer Retrofit Kit, 25W or 30W

  • Brand: ILP
  • Wattage/Lumens:
    • 25 / 2,447
    • 30 / 3,017
  • Voltage: 120-277
  • CCT: 4000K
  • CRI: >80
  • 0-10V dimmable driver
  • Installs into existing fixture housing (no tools required)
  • 5 year warranty
  • DLC, UL listed
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ITEM: BIF22

Regular price $157.01 Sale price$84.12
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2'x4' LED Built In Frame Troffer Retrofit Kit, 30W, 37W or 43W

2 x 4 Foot LED Built In Frame Troffer Retrofit Kit, 30W, 37W or 43W

  • Brand: ILP
  • Wattage/Lumens:
    • 30 / 3,162
    • 37 / 4,062
    • 43 / 4,499
  • Voltage: 120-277
  • CCT: 4000K
  • CRI: >80
  • 0-10V dimmable driver
  • Installs into existing fixture housing (no tools required)
  • 5 year warranty
  • DLC, UL listed
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ITEM: BIF24

Regular price $236.67 Sale price$120.17
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2'x4' LED Troffer Retrofit Kit, 36W

2 x 4 Foot LED Troffer Retrofit Kit, 36W

  • Brand: WareLight
  • Wattage/Lumens: 36 / 4,500
  • Voltage: 120-277
  • CCT: 4000K
  • CRI: >83
  • Life: 75,000 hours
  • 0-10V dimmable driver
  • 7 year warranty
  • DLC Premium, UL listed
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ITEM: LTR-24LE-36/840

Regular price $155.82 Sale price$120.20
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2x2 LED Troffer Retrofit Kit, RDI Series Center Basket

2 x 2 Foot LED Troffer Retrofit Kit, RDI Series Center Basket

  • Brand: Saylite
  • Size: 2x2
  • Wattage: 24, 28 or 35
  • Voltage:0-10V Dimmer orMulti - Volt120V-277V
  • Color Temp: 3000K, 3500K, 4000K or 5000K
  • Reflector:Perf Basket orRibbed Acrylic
  • See spec sheet and call for more options.
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ITEM: IRC22L

Regular price $322.40 Sale price$152.44
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LED 2'x2' Flat Lens Troffer Retrofit Kit

2 x 2 Foot LED Flat Lens Troffer Retrofit Kit, 30 Watt, 3385 Lumens, 120-277V

  • Brand: ILP
  • Wattage: 30
  • Voltage: 120-277
  • Color Temp: 4000K
  • CRI: >80
  • Lumens: 3385
  • Lumens Per Watt: 113
  • L70 Life: >100,000 hours
  • 0-10V Dimmable Driver
  • Listings: DLC, ETL
  • Warranty: 5 Years



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ITEM: FLTR22-30WLED-UNIV-40

As low as $136.00
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LED 2'x2' Flat Lens Troffer Retrofit Kit

2 x 2 Foot LED Flat Lens Troffer Retrofit Kit, 45 Watt, 4735 Lumens, 120-277V

  • Brand: ILP
  • Wattage: 45
  • Voltage: 120-277
  • Color Temp: 4000K
  • CRI: >80
  • Lumens: 4735
  • Lumens Per Watt: 107
  • L70 Life: >100,000 hours
  • 0-10V Dimmable Driver
  • Listings: DLC, ETL
  • Warranty: 5 Years



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ITEM: FLTR22-45WLED-UNIV-40

As low as $139.00
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LED 2'x4' Flat Lens Troffer Retrofit Kit

2 x 4 Foot LED Flat Lens Troffer Retrofit Kit, 26 Watt, 3244 Lumens, 120-277V

  • Brand: ILP
  • Wattage: 26
  • Voltage: 120-277
  • Color Temp: 4000K
  • CRI: >80
  • Lumens: 3244
  • Lumens Per Watt: 126
  • L70 Life: >100,000 hours
  • 0-10V Dimmable Driver
  • Listings: DLC, ETL
  • Warranty: 5 Years



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ITEM: FLTR24-26WLED-UNIV-40

As low as $157.00
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LED 2'x4' Flat Lens Troffer Retrofit Kit

2 x 4 Foot LED Flat Lens Troffer Retrofit Kit, 35 Watt, 4217 Lumens, 120-277V

  • Brand: ILP
  • Wattage: 35
  • Voltage: 120-277
  • Color Temp: 4000K
  • CRI: >80
  • Lumens: 4217
  • Lumens Per Watt: 120
  • L70 Life: >100,000 hours
  • 0-10V Dimmable Driver
  • Listings: DLC, ETL
  • Warranty: 5 Years



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ITEM: FLTR24-35WLED-UNIV-40

As low as $159.00
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LED 2'x4' Flat Lens Troffer Retrofit Kit

2 x 4 Foot LED Flat Lens Troffer Retrofit Kit, 45 Watt, 5174 Lumens, 120-277V

  • Brand: ILP
  • Wattage: 45
  • Voltage: 120-277
  • Color Temp: 4000K
  • CRI: >80
  • Lumens: 5174
  • Lumens Per Watt: 115
  • L70 Life: >100,000 hours
  • 0-10V Dimmable Driver
  • Listings: DLC, ETL
  • Warranty: 5 Years



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ITEM: FLTR24-45WLED-UNIV-40

As low as $160.00
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2 x 2 Foot Lensed Recessed Troffer Retro Fit Kit 30 watt

2 x 2 Foot Lensed Recessed Troffer Retro Fit Kit 30 watt

  • Brand: Maxlite
  • Wattage: 30
  • Voltage: 120-277
  • CCT / Lumens:
    • 3500K / 2640
    • 4100K / 2740
  • CRI: >80
  • 0-10V Dimming
  • L70 Life (Hours): 50000
  • Warranty: 5 year limited
  • Listings: DLC, UL Damp
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ITEM: LRK22D3035

As low as $128.56
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Troffer Retro Kit With LED lamps

2 x 2 Foot Retrofit Kit White or Mirrored Reflector for Troffer Body 4500-5625 Lumen 2 or 3 15W LED 4000K Lamps Included

  • Color: 4000K 
  • Finish: White 
  • Light Source: LED T8 Tube 18 Watt 
  • Lumen Output 2 Lamp 4500 Lm, 3 Lamp 5625 Lm
  • Lamps Included
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ITEM: 22C2M20BL11X1LI15W40

As low as $39.73
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Troffer Retro Kit With LED lamps

2 x 4 Foot Retrofit Kit White or Mirrored Reflector for Troffer Body 4500-5625 Lumen 2 or 3 18W LED 4000K Lamps Included

  • Color: 4000K 
  • Finish: White 
  • Light Source: LED T8 Tube 18 Watt 
  • Lumen Output 2 Lamp 4500 Lm, 3 Lamp 5625 Lm
  • Lamps Included
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ITEM: 24C2M20BL11X1LI18W40

As low as $44.91
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Troffer Retro Fit Wiring Harness

Troffer Retro Fit Wiring Harness

  • Brand: Keystone Technologies
  • Number of Lamps: 2, 3, 4, 6
  • Requires single end powered LED tubes (not included)


Four Lamp Wiring Harness Shown

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ITEM: KT-SOCKET-T8-U-S-2-W

As low as $10.33
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4 Foot Low Profile LED Strip Retrofit, 12 Watt, 120-277V, 1821 Lumens, 4000K or 5000K

4 Foot Low Profile LED Strip Retrofit, 12 Watt, 120-277V, 1821 Lumens, 4000K or 5000K

  • Brand: Industrial Lighting Products
  • Wattage: 12
  • Voltage: 120 - 277
  • Lumens: 1821
  • CCT: 4000K or 5000K
  • CRI: >80
  • Life: 100000 hours
  • Listings: ETL, DLC Premium
  • Warranty: 5 Years
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ITEM: RX4-12W-U-40

As low as $44.00
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Our goal is to be able to turn your T8 retrofit kit orders quickly from order date to your door for installation on the job. Our industry lighting knowledge and service makes your choice easy when looking for quality t8 retro fit kits or conversion kits for your fixtures. Please shop the products below and if you have any questions at all contact us by phone, email, or live chat.