The Hunter 30851 is the correct replacement UV bulb for the following air purifier models:
The Hunter 30851 Air Purifier UVC Bulb Replacement is a replacement UVC bulb for several Hunter UVC air purifiers, including models 30845, 30846, 30847, 30848, 30849, 30877, and 30878. This UVC bulb for air purifiers helps reduce airborne viruses, germs, mold, and mildew from your indoor air. This UVC bulb utilizes UVC germicidal technology and has an average bulb life of 12 months.
Hunter 30851 Air Purifier UVC Bulb Replacement specifications: