Replacement Fluorescent Bulb FT55DL/21-840 - 55W, Cool White, Long Twin Tube, 4-Pin Base

This 55-watt long twin tube CFL is a direct replacement for the FT55DL/21-840 bulb. With its 2G11 (4-Pin) base, it's designed for use in standard compatible fixtures.

Operating at 55 watts with a 4100K cool white color temperature, this lamp delivers 4800 lumens bulb. With a CRI of 82, colors appear natural and true.

Key Features & Benefits

• Task-Ready Illumination: 4100K cool white supports focus and productivity.
• Excellent Output: 4800 lumens ensures bright, even coverage.
• True Color Performance: 82 CRI supports accurate color perception.
• Standard 2G11: 2G11 (4-Pin) for easy installation in compatible fixtures.
• Energy Efficient: 55-watt design provides good output at moderate energy consumption.

Product Specifications

• MPN: FT55DL/21-840
• Wattage: 55 Watts
• Color Temperature: 4100K (Cool White)
• Lumens: 4800
• CRI: 82
• Base Type: 2G11 (4-Pin)
• Bulb Shape: Long Twin Tube (PLL)
• Condition: Brand New

Common Applications

This long twin tube CFL is commonly found in:

• Commercial Downlights
• Office Fixtures
• Task Lighting
• Recessed Lighting

During the checkout process, you can choose from expedited services such as overnight delivery to standard ground shipping. We aim to ensure your order is delivered promptly and reliably, wherever you are.

All returns must be made within 30 days of purchase with the invoice. (After 30 days, Interlight credit only, Minimum 25% restocking fee, no returns after 60 days, special items order just for you are not returnable.)

At Interlight, your satisfaction is our priority. We offer a 30-day money-back guarantee on eligible products, provided they are returned in resalable condition with the original invoice.