FireLight Infrared Bulb (B-Grade)

Sale price $165 Regular price $240
4.9
Rated 4.9 out of 5 stars
11 Reviews

This item is B-Grade. This means it has minor cosmetic flaws like bubbles and minor color variances in the stained glass. They have the same irradiance levels and spectral output of our A-Grade FireLight® Bulbs.

This item is final sale and cannot be returned, but it is eligible for our standard warranty.

Born from over a decade of research and development, the FireLight® Bulb is the heartbeat of everything we offer. It delivers optimized red and infrared light—concentrated in the near-infrared range and extending into mid and far—for unmatched light and heat therapy. With zero EMFs, no flicker, and no blue light, this hand-blown bulb supports detox, circulation, cellular repair, and calm. Elemental light, biologically tuned for deep transformation.
Select a Voltage
120V USA

Order Processing: 1-7 business days

Financing Available in Checkout

Monthly payments using your credit card. 0% APR interest. Learn more

HSA/FSA-eligible with Learn more

SaunaSpace FireLight Infrared Therapy Bulb

FireLight Infrared Bulb (B-Grade)

Sale price $165 Regular price $240
Order Processing: 1-7 business days
Sale price $165 Regular price $240

No One Does Infrared Like Us

We've spent years crafting the perfect hand-blown sauna bulb. We mimic the best of the sun—with none of the harmful UV—to create full-spectrum infrared therapy that is truly one of a kind.

LEARN MORE

11 Reviews from Happy Customers

4.9
Rated 4.9 out of 5 stars
Based on 11 reviews
Total 5 star reviews: 10 Total 4 star reviews: 1 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
100%would recommend this product
11 reviews
  • DK
    Dennis K.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    1 month ago
    Still Very Effective!

    You honestly can’t tell it’s B Grade. These lights are wonderful! This is used daily in our home. Thank you for providing such quality at a discount!

  • PB
    Peter B.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    2 months ago
    The best!

    Bought two of your bulbs and two inexpensive infrared bulbs from Walmart for my DIY sauna. I can feel and see the difference. There is no doubt that your bulbs are superior and worth every dollar. I will be buying more in the near future. Thank you for making my DIY sauna feel heavenly.

  • NH
    Nancy H.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    2 months ago
    The Best Infrared

    I have been using sauna space bulbs for a few years and I love them! My sauna is the thing I miss most when we travel. I do love the sweaty detox, but even more than that I love how the infrared light helps me feel happy, especially on those cold, foggy days it can feel like a real high especially when followed by a cold shower!! My husband and I also have a beautiful, super expensive, wooden full spectrum red light sauna from one of the major companies and it’s nice, but I definitely prefer the feel I get from my sauna space sauna. When I have been using my sauna space consistently people tell that my skin glows. If I work my muscles too hard if I sauna afterwards it really cuts down on the soreness.

    I also like to keep a bulb near my computer in the morning to counter the blue light.

    The bulbs are kind of a no-brainer to counter life in the modern world.

  • NH
    Nancy H.
    Verified Buyer
    I recommend this product
    Rated 4 out of 5 stars
    3 weeks ago
    Great way to start my day

    I love to use the sauna space bulb first thing in the mornings, it gets my day off to a good start.

  • DF
    DK for a.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    2 months ago
    No more research needed

    I am so glad I purchased a set of 4 "B" grade bulbs.for my home built sauna. They are A+ grade in my book. One bulb died shortly after purchase and was quickly replaced. Every contact with the company is met with a friendly response. The staff appear as passionate about the products as I have become.