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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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Keystone Lighting > All Products

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  1. keystone-lighting_ktl-f28t5-835-he_1

    Keystone Lighting ktl-f28t5-835-he 28w T5 Linear Fluorescent Lamp 3500K

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  2. keystone-lighting_ktl-f28t5-841-he_1

    Keystone Lighting ktl-f28t5-841-he 28w T5 Linear Fluorescent Lamp 4100K

    Out of stock
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  3. keystone-lighting_ktl-f28t5-850-he_1

    Keystone Lighting ktl-f28t5-850-he 28w T5 Linear Fluorescent Lamp 5000K

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  4. keystone-lighting_ktl-f25t8-835-hp_1

    Keystone Lighting ktl-f25t8-835-hp 25w T8 Linear Fluorescent Lamp 3500K

    Out of stock
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  5. keystone-lighting_ktl-f25t8-841-hp_1

    Keystone Lighting ktl-f25t8-841-hp 25w T8 Linear Fluorescent Lamp 4100K

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  6. keystone-lighting_ktl-f25t8-850-hp_1

    Keystone Lighting ktl-f25t8-850-hp 25w T8 Linear Fluorescent Lamp 5000K

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  7. keystone-lighting_ktl-f28t8es-835-hp_1

    Keystone Lighting ktl-f28t8es-835-hp 28w T8 Linear Fluorescent Lamp 3500K

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  8. keystone-lighting_ktl-f28t8es-841-hp_1

    Keystone Lighting ktl-f28t8es-841-hp 28w T8 Linear Fluorescent Lamp 4100K

    Out of stock
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  9. keystone-lighting_ktl-f28t8es-850-hp_1

    Keystone Lighting ktl-f28t8es-850-hp 28w T8 Linear Fluorescent Lamp 5000K

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  10. keystone-lighting_kt-led26t8-60p2s-840-d_1

    Keystone Lighting kt-led26t8-60p2s-840-d 26w LED T8 Sign Hero Tube 4000K

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  11. keystone-lighting_kt-led26t8-60p2s-865-d_1

    Keystone Lighting kt-led26t8-60p2s-865-d 26w LED T8 Sign Hero Tube 6500K

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  12. keystone-lighting_kt-led28t8-64p2s-840-d_1

    Keystone Lighting kt-led28t8-64p2s-840-d 28w LED T8 Sign Hero Tube 4000K

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  13. keystone-lighting_kt-led28t8-64p2s-865-d_1

    Keystone Lighting kt-led28t8-64p2s-865-d 28w LED T8 Sign Hero Tube 6500K

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  14. keystone-lighting_kt-led25.5t5ho-48gc-830-s

    Keystone Lighting kt-led25.5t5ho-48gc-830-s 25.5w T5 LED Lamp 3000K

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  15. keystone-lighting_kt-led25.5t5ho-48gc-835-s

    Keystone Lighting kt-led25.5t5ho-48gc-835-s 25.5w T5 LED Lamp 3500K

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  16. keystone-lighting_kt-led25.5t5ho-48gc-840-s

    Keystone Lighting kt-led25.5t5ho-48gc-840-s 25.5w T5 LED Lamp 4000K

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  17. keystone-lighting_kt-led25.5t5ho-48gc-850-s

    Keystone Lighting kt-led25.5t5ho-48gc-850-s 25.5w T5 LED Lamp 5000K

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  18. keystone-lighting_kt-led27t5ho-48gc-830-s

    Keystone Lighting kt-led27t5ho-48gc-830-s 27w T5 LED Lamp 3000K

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  19. keystone-lighting_kt-led27t5ho-48gc-835-s

    Keystone Lighting kt-led27t5ho-48gc-835-s 27w T5 LED Lamp 3500K

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  20. keystone-lighting_kt-led27t5ho-48gc-840-s

    Keystone Lighting kt-led27t5ho-48gc-840-s 27w T5 LED Lamp 4000K

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  21. keystone-lighting_kt-led27t5ho-48gc-850-s

    Keystone Lighting kt-led27t5ho-48gc-850-s 27w T5 LED Lamp 5000K

    Out of stock
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  22. keystone-lighting_kt-led25t5ho-48gc-830-d-g2

    Keystone Lighting kt-led25t5ho-48gc-830-d-g2 25w T5 LED Lamp 3000K

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  23. keystone-lighting_kt-led25t5ho-48gc-835-d-g2

    Keystone Lighting kt-led25t5ho-48gc-835-d-g2 25w T5 LED Lamp 3500K

    Out of stock
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  24. keystone-lighting_kt-led25t5ho-48gc-840-d-g2

    Keystone Lighting kt-led25t5ho-48gc-840-d-g2 25w T5 LED Lamp 4000K

    Out of stock
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    25 - 30 W
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  1. 5 - 10 W 84items
  2. 10 - 15 W 145items
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  4. 20 - 25 W 27items
  5. 25 - 30 W 34items
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  1. 3000K 3items
  2. 3500K 6items
  3. 4000K 12items
  4. 5000K 7items
  5. 6000K 2items
  6. 6500K 4items

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.