Replacement Light Bulb for JOHNLITE FL-4D Full Spectrum - 4 Watts 6500K G5 Base

Replacement for the JOHNLITE FL-4D provides a 4 watt T5 full spectrum bulb designed specifically for SAD lighting fixtures that require a 6500K color temperature and G5 miniature bipin base.

Key Features & Benefits

• Produces 115 lumens at 6500K color temperature
• Rated for 6000 hours of service life
• CRI of 62 with white bulb finish
• T5 shape with G5 miniature bipin base
• Direct fit for fixtures using T5 G5 base

Product Specifications

• Watts: 4
• Color Temp: 6500
• Lumens: 115
• Life: 6000 hours
• Base: G5 MINIATURE BIPIN

Compatible with fixtures using T5 G5 base and serves as direct replacement for JOHNLITE FL-4D and similar models in SAD and full spectrum applications.

Discover the Perfect Replacement

Confirm your fixture requires a T5 G5 base bulb and select this 4 watt 6500K option to restore proper SAD lighting performance.

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.