Amazon
Easy way to determine if there is still enough UV-B radiation Measures the intensity of UV-B rays, UV-B fluorescent lamps or UV-B compact lights Contents: 2 UV-B quick test cards Novel non-toxic high-tech detection material Each card can be reused up to 500 times
Easy way to determine if there is still enough UV-B radiation Measures the intensity of UV-B rays, UV-B fluorescent lamps or UV-B compact lights Contents: 2 UV-B quick test cards Novel non-toxic high-tech detection material Each card can be reused up to 500 times