Bulbs used for air treatment for residential and small commercial/retail spaces, namely, an air treatment device that provides UV germicidal treatment as it relates to recirculating air in heating, cooling, ventilation systems found in but not limited to residential building and houses, veterinary clinics, retail businesses, cannabis outlets, hospitals, restaurants, medical clinics, dentist offices, animal shelters, schools, classrooms, government buildings, airplane passenger cabins, boat cabins, ship staterooms, senior centers, retirement homes and facilities, commercial buildings public or private, conditioned areas such as industrial and manufacturing buildings