Replacement Light Bulb for DONSBULBS F20T4/D-20.5 SAD - 20W 6400K G5

Replacement for DONSBULBS F20T4/D-20.5 delivers 20W output at 6400K color temperature with 1350 lumens for SAD and full spectrum applications. This T4 shape bulb features daylight finish and 10000 hour rated life with CRI 82.

Key Features & Benefits

• 20W power consumption with T4 shape and daylight bulb finish
• 6400K color temperature and 1350 lumens output
• CRI 82 rating for full spectrum lighting needs
• 10000 hour life rating with G5 miniature bipin base

Product Specifications

• Watts: 20
• Color Temp: 6400
• Lumens: 1350
• Shape: T4
• Life: 10000
• CRI: 82
• Bulb Finish: DAYLIGHT
• Base: G5 MINIATURE BIPIN

Replacement Compatibility

Replaces DONSBULBS F20T4/D-20.5 and similar T4 fluorescent models in compatible SAD and full spectrum fixtures.

Discover the Perfect Replacement

Confirm your fixture requirements and select this replacement bulb to maintain original performance specifications.

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.