We know you value convenience and efficiency, so make Keystone your one-stop-shop for all your lighting needs. You’ll find the latest in LED lamps, drivers and retrofit kits as well as more conventional fluorescent and HID ballasts. Whatever technology you need, you can count on Keystone for quality and reliability.

Keystone Featured Products

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Signhero 360 double side tube 72"

Sign Hero Double-Sided 72" LED Sign Tube HO Lamp Replacement

SKU: KT-LED31T8-72P2S-865-D 6500K
Product Line: Keystone

LED replacement for fluorescent lamps, fits into existing HO T-12 lamp sockets

  • A perfect solution for retrofits or new sign installations

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28 In Stock*
UOM : EA
Signhero 180 single side tube 96"

Sign Hero Single-Sided 96" LED Sign Tube HO Lamp Replacement

SKU: KT-LED21T8-96P1S-865-D 6500K
Product Line: Keystone

LED replacement for fluorescent lamps, fits into existing HO T-12 lamp sockets

  • A perfect solution for retrofits or new sign installations

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19 In Stock*
UOM : EA
Signhero 360 double side tube 96"

Sign Hero Double-Sided 96" LED Sign Tube HO Lamp Replacement

SKU: KT-LED42T8-96P2S-865-D 6500K
Product Line: Keystone

LED replacement for fluorescent lamps, fits into existing HO T-12 lamp sockets

  • A perfect solution for retrofits or new sign installations

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97 In Stock*
UOM : EA
HID replacement LED bulb for 400watt

100W DirectDrive HID LED Lamp

SKU: KT-LED100HID-EX39-850-D 5000K
Product Line: Keystone

LED replacement for HID metal halide lamps

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9 In Stock*
UOM : EA