Sunbox is closed 6/19 – 6/25 . We will be back in the office Wednesday 6/26 and purchases made during the closure will ship on that day.

Please email and we will respond as quickly as possible. Please include your phone number if you would like a return call on the days we are not in the office. Thank you for your understanding, stay well and have a sunny day!

FML55 Replacement Bulb – SunLight Jr., SunSation, SunLight Plus & SunBox DL (not for SunUp Desk Lamp) FREE SHIPPING (lower 48 states only)! NO RETURNS OR REFUNDS!

SKU: SB-689 Category:


Special Internet Price
Replacement bulbs are non-returnable and non-refundable.

**Exclusive to The SunBox brand only.**


This is the replacement bulb for SunLight Jr., SunBox DL & SunSation. Please note this bulb does not fit the SunUp Lamp. Call us to order replacement bulbs for the SunUp DL.

Click here to download the FML 55 Spectral Distribution Graph.

Forget how to change the bulb? Download your Bulb Replacement Instructions here:


SunBox now offers these new energy-efficient 10,000 lux bright light bulbs. Low mercury technology means less mercury and a environmentally safer bulb.

These new bulbs provide a brighter white and higher color rendering. This new technology makes this the perfect time to replace your old bulbs!

  • Easy to Install
  • Replaces: FML55E50 & Quad 55WB, FML 55/5000K
  • Fits: SunLight Jr., SunBox DL, SunSation, & SunLight Plus (does NOT fit the SunUp DL)
  • Exclusive to the Sunbox Brand ONLY
  • Watts: 55
  • Instructions: Takes only one bulb per light.

Please open and inspect your package within 7 days of receipt.

Replacement bulbs are non-returnable and non-refundable

97 Monocacy Blvd, Suite C, Frederick, MD 21701 240-651-3286 1-800-548-3968