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About Keystone

... from World War II, Keystone Technologie... ...OEM and distributor customers. Since 194...

Our History

...m if there were any products that were a... ...ware and electrical stores in Philadelph...

Quick Ship Program

...Quick Ship eligible products.   Cli... ...s available.   HID Kits include a C... ...sp;    HID CATEGORY LAMP ...

Statement of Warranty

...ety of Underwriters Laboratories, Inc., ... ....   NO IMPLIED STATUTORY WARRANTY O... ...lusive of all other statutory, written o... ...anties of any kind, statutory or otherwi... ...breach of warranty, tort, strict liabili...

Warranty

...we stand behind our products. We strive ... ...ufacture.   HID BALLASTS: • ... ...nsformers 3 Years HIDs 2 Years Magne...

Score Big with Keystone HID

...ring a Full Line of HID Products: • Metal Ha... ...ssure Sodium • HID Accessories: &... ...re to check out our HID ballasts and acc...

NEMA Premium High Efficiency T8 Ballasts

...0. • Total Harmonic Distortion must be ≤... ...ements for Lighting Products • National ...

Custom Solutions

...ballast innovation, Keystone Technologie... ...ed on this website, Keystone has the cap... ...igning and building custom products to meet your requir...

All Products

... “burned in” at the factory to ensure ex... ...     HID Ballast and Acce... ...ntensity discharge (HID) ballasts are pe... ... the most demanding HID lighting applica... ...ansformers are 100% factory tested to en...

Program Start T8 Ballasts

...rooms • Bathrooms • Storage Facilities ...