Replacement for Panasonic 21138 - 28W, FML Quad Tube, 4-Pin Base

This 28-watt quad tube CFL is a direct replacement for the Panasonic 21138. Featuring a 2G11 (4-Pin) base, it's designed for compatible fixtures in residential, commercial, and task lighting applications.

Operating at 28 watts, this lamp delivers 1600 lumens of light output. With a CRI of 84, colors appear natural and accurate.

Key Features & Benefits

• Strong Light Output: 1600 lumens provides effective illumination for task areas.
• Good Color Rendering: CRI of 84 ensures colors appear natural and accurate.
• 2G11 Base: 2G11 (4-Pin) connection for compatible fixtures.
• Energy Efficient: 28-watt design provides good output at moderate energy consumption.

Product Specifications

• MPN: 21138
• Wattage: 28 Watts
• Lumens: 1600
• CRI: 84
• Base Type: 2G11 (4-Pin)
• Bulb Shape: Quad Tube
• Condition: Brand New

Common Applications

This quad tube CFL is commonly found in:

• Commercial Fixtures
• Residential Lighting
• Office Applications

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.