T12 LED (light emitting diode) linear light bulb with bi-pin base. Provides and easy way to replace linear fluorescent light bulbs with a more efficient and energy saving bulb. Requires an instant start ballast with no modifications to the existing fixture that it houses and no rewiring necessary. Ideal for general lighting applications where fluorescent lighting is used. Also works well with frequent on/off switching cycles like laundry rooms, kitchens, garages, and commercial use in offices and hospitals. Offers a safe and sustainable solution featuring durable glass-free design. Operates well in cold temperatures and does not contain any mercury.