T12 Tubes (1.5-inch Diameter)

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T12 fluorescent tubes are the original standard linear fluorescent format, featuring a 1.5-inch tube diameter designed for magnetic ballast systems. While largely superseded by T8 tubes in new construction, T12 lamps remain widely used in shop lights, garages, warehouses, and older commercial buildings with existing magnetic ballast fixtures.

This category includes 4-foot T12 tubes (F40T12, F34T12) — the most common size for shop lights and garage fixtures — 8-foot T12 tubes (F96T12) in slimline, high-output, and very high-output configurations, and U-bend T12 tubes (FB40T12) for 2×2 troffer fixtures in offices and commercial spaces.

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