40 Watt UV C Germicidal Bulb - Aprilaire Model 1930 - Air UV Purification

18" High Intensity UV (ultraviolet) bulb designed to disinfect molds, bacteria or reduce VOC Contamination.

- Operates at 253.7 nm, ideal for air UV disinfection, good for use at any velocities, temperatures ranging from 30 - 170 degrees F
- They are a High Output (HO), T5 (15mm) diameter, UV bulb yielding 2/3 more output than standard UV lamps of the same