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Keystone Lighting

Valid May 1–31, 2026, until 11:59 PM ET. Limited quantities while supplies last. Cannot be combined with any other coupon, discount, promotion, clearance item, or volume discount. Subject to change at any time.
Valid June 1 - 30th, 2026, until 11:59 PM ET. Limited quantities while supplies last. Cannot be combined with any other coupon, discount, promotion, clearance item, or volume discount. Subject to change at any time.
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  1. keystone-lighting_ktl-f21t5-835-he_1

    Keystone Lighting ktl-f21t5-835-he 21w T5 Linear Fluorescent Lamp 3500K

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  2. keystone-lighting_ktl-f21t5-841-he_1

    Keystone Lighting ktl-f21t5-841-he 21w T5 Linear Fluorescent Lamp 4100K

    Out of stock
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  3. keystone-lighting_ktl-f21t5-850-he_1

    Keystone Lighting ktl-f21t5-850-he 21w T5 Linear Fluorescent Lamp 5000K

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  4. keystone-lighting_kt-led21t8-48p2s-840-d_1

    Keystone Lighting kt-led21t8-48p2s-840-d 21w LED T8 Sign Hero Tube 4000K

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  5. keystone-lighting_kt-led21t8-48p2s-865-d_1

    Keystone Lighting kt-led21t8-48p2s-865-d 21w LED T8 Sign Hero Tube 6500K

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  6. keystone-lighting_kt-led24t8-60gc-840-d

    Keystone Lighting kt-led24t8-60gc-840-d 24w T8 LED Lamp 4000K

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  7. keystone-lighting_kt-led24t8-60gc-850-d

    Keystone Lighting kt-led24t8-60gc-850-d 24w T8 LED Lamp 5000K

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  8. keystone-lighting_kt-ftled22t8-60p-840

    Keystone Lighting KT-FTLED22T8-60P-840 22W 5' T8 LED Frezzer/Cabinet Lamp

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  9. keystone-lighting_kt-ftled22t8-60p-850

    Keystone Lighting KT-FTLED22T8-60P-850 22W 5' T8 LED Frezzer/Cabinet Lamp

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  10. keystone-lighting_kt-led25t5ho-48gc-835-dx2_1

    Keystone Lighting KT-LED25T5HO-48GC-835-DX2 4' 25W Direct Drive T5 LED Tube

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  11. keystone-lighting_kt-led25t5ho-48gc-840-dx2

    Keystone Lighting KT-LED25T5HO-48GC-840-DX2 4' 25W Direct Drive T5 LED Tube

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  12. keystone-lighting_kt-led25t5ho-48gc-850-dx2

    Keystone Lighting KT-LED25T5HO-48GC-850-DX2 4' 25W Direct Drive T5 LED Tube

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  13. keystone-lighting_kt-led25t8-48g-835-dx2

    Keystone Lighting KT-LED25T8-48G-835-DX2 4' 25W Direct Drive T8 LED Tube

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  14. keystone-lighting_kt-led25t8-48g-840-dx2

    Keystone Lighting KT-LED25T8-48G-840-DX2 4' 25W Direct Drive T8 LED Tube

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  15. keystone-lighting_kt-led25t8-48g-850-dx2

    Keystone Lighting KT-LED25T8-48G-850-DX2 4' 25W Direct Drive T8 LED Tube

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  16. keystone-lighting_kt-led21t8-96p1s-840-d-g2

    Keystone Lighting KT-LED21T8-96P1S-840-D-G2 8' 21W LED Sign Tube

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  17. keystone-lighting_kt-led21t8-96p1s-865-d-g2

    Keystone Lighting KT-LED21T8-96P1S-865-D-G2 8' 21W LED Sign Tube

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  18. keystone-lighting_kt-led24t8-108p1s-840-d-g2

    Keystone Lighting KT-LED24T8-108P1S-840-D-G2 9' 24W LED Sign Tube

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  19. keystone-lighting_kt-led24t8-108p1s-865-d-g2

    Keystone Lighting KT-LED24T8-108P1S-865-D-G2 9' 24W LED Sign Tube

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  20. keystone-lighting_kt-led25t8-117p1s-840-d-g2

    Keystone Lighting KT-LED25T8-117P1S-840-D-G2 10' 25W LED Sign Tube

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  21. keystone-lighting_kt-led25t8-117p1s-865-d-g2

    Keystone Lighting KT-LED25T8-117P1S-865-D-G2 10' 25W LED Sign Tube

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  22. keystone-lighting_kt-led21t8-48p2s-840-d-g2

    Keystone Lighting KT-LED21T8-48P2S-840-D-G2 4' 21W LED Sign Tube

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  23. keystone-lighting_kt-led21t8-48p2s-865-d-g2

    Keystone Lighting KT-LED21T8-48P2S-865-D-G2 4' 21W LED Sign Tube

    Out of stock
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  24. keystone-lighting_kt-led25.5t5ho-48gc-865-s_1

    Keystone Lighting KT-LED25.5T5HO-48GC-865-S 4' 25.5W Smart Drive T8 LED Tube

    Out of stock
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    20 - 25 W
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Fixture Wattage
  1. 5 - 10 W 84items
  2. 10 - 15 W 145items
  3. 15 - 20 W 87items
  4. 20 - 25 W 27items
  5. 25 - 30 W 34items
  6. 30 - 35 W 16items
  7. 35 - 40 W 7items
  8. 40 - 45 W 20items
  9. 45 - 50 W 4items
  10. 50 - 100 W 16items
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  1. 3000K 1item
  2. 3500K 3items
  3. 4000K 11items
  4. 5000K 6items
  5. 6000K 1item
  6. 6500K 5items

What customers says

Keystone Lighting

Keystone Technologies aims to make lighting simple, hassle-free and enjoyable. With nearly 70 years of manufacturing experience building quality lighting components, the brand delivers easy-to-use products such as troffer LED retrofit kits. Their HID replacement lamps listed for dry and wet locations are a favorite for commercial applications. Keystone LED shop lights product line provides you with the ideal task lighting, including T8 LED tubes and T5 LED lamps. Buy reliable, long-lasting and efficient products from a trusted manufacturer with Keystone Technologies.