Lumichrome® 1XC Full Spectrum Fluorescent Bulb F20W T12 24'' – 5000K / 96 CRI

$18 per bulb | Beautiful Fluorescent Light
Please select the correct length and diameter bulb (T8 = 1'' tubes, T12 = 1.5'' tubes).

Designed for the highest Color Rendering Index (CRI) using Lumiram’s patented phosphor blends, providing a unique color unseen before. The light of the 1XC can be compared to outdoor lighting at Noon, the time of day when light has equal parts blue and red in its spectrum. Applications of this lamp are general and environmental lighting of all types.

Made in Germany to the highest standards.

* The F40 1XC has been phased out and is replaced by F40 1XZ.

Fluorescent tubes are final sale. Please double-check that you have selected the correct length and diameter bulb (T8 = skinnier 1'' diameter tubes, T12 = 1.5'' diameter tubes). If you're unsure, please contact customer service for assistance finding the correct sized tube for your application. 

Appearance + Specs

F15W-1XC 5000°K 96CRI
CRI: 96
Description: 18″ T8
Diameter: 1″
Length: 18″
Lumens: 740

F20W-1XC 5000°K 96CRI
CRI: 96
Description: 24″ T12
Diameter: 1 ½″
Length: 24″
Lumens: 1,710

F40W-1XCZ 5700K 96CRI
CRI: 97
Description: 48″ T12
Diameter: 1 ½″
Length: 48″
Lumens: 3,380

Shipping + Returns

Please note: due to the inherently fragile nature of fluorescent tubes, fluorescent bulbs are non-returnable.


We ship to the US + Canada! We ship to Hawaii, Alaska, and Puerto Rico.  

We are often able to ship same day for orders placed weekdays before 1:00 PM EST!

Damages + Breakage

If your package experienced extra turbulence on the road, not to worry - we're here to help! Product(s) damaged in shipping to our US based customers will either be replaced or credited at no cost to you. Please email info@healthlighting.comwith your order number, and a quick image of the damage/breakage within 7 days of receipt of order to submit a damage claim.