... pharmaceutical,food industry and biology research, be used for product surface ,water and air's disinfections, the food stores and ... the photo chemistry responds UV Germicidal lamp 1. the both ends are made of aluminium or ... ceramic.2. the lamp tube can be made of quartz and boric glass3. ... others wattage:H---4W,6W,8W,12W,13W,etc.lamp cap:ceramic ,4pins