Keystone Technologies 4ft T8 LED Bulb, 13 Watt, 1950 Lumens, 80+ CRI, Medium Bi-Pin G13 Base, 120-277V / Ballast Dependent

Introducing the 4ft T8 LED Bulb, a cutting-edge lighting solution that combines energy efficiency and easy installation. With a powerful light output of 1950 lumens, this LED bulb effortlessly brightens up any space. Built with hybrid dual technology, it can be seamlessly installed as a plug & play or ballast bypass in single wired line voltage applications.

Upgrading your existing fluorescent bulb to this LED version is a breeze - simply replace the old bulb with the 4ft T8 LED Bulb, and watch your existing fixture transform into an energy-efficient powerhouse. For single-ended direct wire applications, all you need to do is cut the wires to the existing ballast, remove it, and connect 120-277V line voltage to the fixtures' sockets.

Why choose the 4ft T8 LED Bulb? Here are two key features that make it stand out:

• Hybrid Dual Technology: Enjoy the flexibility of plug & play or ballast bypass installations, making it compatible with various setups.
• Energy-Efficiency: With a wattage of only 13 Watts, this LED bulb significantly reduces your energy consumption without compromising on light quality.

Designed by Keystone Technologies, a trusted leader in lighting innovation, this 4ft T8 LED Bulb guarantees exceptional performance and longevity. It has a lifespan of 50,000 hours, ensuring years of reliable operation. The bulb's medium bi-pin G13 base allows for easy installation in a wide range of fixtures.

Providing versatility, this LED bulb comes in three different color temperatures - 3500K, 4000K, and 5000K. Whether you prefer a warm or cool lighting ambiance, there's an option to suit your needs. With a color rendering index (CRI) of 80+, it accurately reproduces colors, enhancing the visual appeal of any space.

Rest assured, the 4ft T8 LED Bulb meets the highest industry standards. It is cULus Listed, ETL Listed, FCC Compliant, RoHS Compliant, and DLC Standard Listed. Backed by a 5-year warranty, you can have peace of mind knowing that your investment is protected against manufacturing defects.

• Input Voltage: 120-277V or Ballast Dependent
• Lumens: 1950
• Lamp Type: LED
• Color Temperature: 3500K, 4000K, 5000K
• CRI: 80+
• Dimmable: No
• Base: Medium Bi-Pin G13
• Certifications: cULus Listed, ETL Listed, FCC Compliant, RoHS Compliant, DLC Standard Listed
• Dimensions: 1.10"D x 47.15"L
• Rated Hours: 50,000
• Warranty: 5 Years

We offer free shipping on all orders within the United States—no hidden fees or charges at checkout. International shipping is available, with rates calculated based on weight and quantity at the time of purchase.

Most orders ship within 1–3 business days, though some items are built to order and may have longer lead times. Orders may ship from multiple locations depending on the brands ordered, and tracking information will be provided for each shipment.

For more details, please visit our Shipping Policy or contact our customer service team for assistance.

We offer a 60-day return policy for eligible items. Products must be unused, in their original packaging, and include proof of purchase.

To start a return, you can use our self-service portal or email customerservice@starsandstripeslighting.com. If approved, we’ll provide a return shipping label and instructions. Returns sent without prior approval will not be accepted.

If your item is damaged, defective, or incorrect, please contact us immediately so we can make it right.

Some items—like custom orders and gift cards—are non-returnable.

To exchange a product, simply return the original item and place a new order once the return is approved.

For EU customers, a 14-day cooling-off period applies under EU law.

Refunds are issued to your original payment method within 10 business days of approval. If it's been more than 15 business days, please contact us for assistance.

For full details, visit our Return Policy.