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Lighting > Bulbs, Shades & Components > Light Bulbs > Part #: SB-594
SKU #: SBX1021

Sunbox 31W Light Bulb

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Sunbox 31W Light Bulb

These 31 watt full spectrum bulbs will make splendid replacement bulbs for any Sunray or Sunsquare light boxes.


  • Replacement bulb for sunray and sunsquare bulbs
  • Appliable for all sunray and sunsquare light box models
  • Order quantity 4 to replace all bulbs in your SunRay, SunRay II, or SunRay II+
  • Order quantity 6 to replace all bulbs in your SunSquare or SunSquare+
  • Researchers recommend replacing all the bulbs in your light box every 2 years to maintain the correct light output
  • Please remember to order the correct quantity of bulbs for your particular SunBox model
  • Most of our customers, in practice, replace bulbs every 3-4 years with regular use
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  • Overall Height - Top to Bottom: 23"

Sunbox 31W Light Bulb

Weights & Dimensions

  • Overall Height - Top to Bottom: 23"


Product Type: Light therapyBulb Color: White
Wattage: 31 Watts (W)Country of Manufacture: United States

About the Manufacturer

As the original light box company, Sunbox has more years of experience in the field than any of their competitors. Over the years, their product line has changed considerably, as they have incorporated new technologies, such as energy-efficient electronics, lighter weight (but durable) materials, and better quality bulbs, into their designs and have taken advances in clinical research reports, such as higher-intensity 10,000 lux light output and tilted angle designs, into account.

To maintain their status as one of of the leading manufacturers in therapeutic lighting, Sunbox keeps up to date with ongoing clinical studies and medical research to stay consistent in developing the most innovative and highest quality therapeutic lighting products that you will find anywhere.

Sunbox's mission is to help people live healthier, happier lives by providing excellent, reliable products at a fair price.

Sunbox 31W Light Bulb

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When you buy a Sunbox 31W Light Bulb online from Wayfair, we make it as easy as possible for you to find out when your product will be delivered. You can check on a delivery estimate for the Sunbox Part #: SB-594 here. If you have any questions about your purchase or any other Light Bulbs product for sale our customer service representatives are available to help.Whether you just want to buy a Sunbox 31W Light Bulb or shop for your entire home, Wayfair has a zillion things home.

Sunbox 31W Light Bulb

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Return Policy

We want you to love it. If you don't, you may return your purchase within 30 days of delivery. All you need to do is visit our Self-Service Return Center for instructions. Return credits are issued within 24 hours once the item is received and inspected. Please note that shipping charges are non-refundable. The cost of return shipping will be deducted from your refund.

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31W Light Bulb is also sometimes listed under the following manufacturer numbers: SB-594