Siemens 8MR6311-5DL40 Description Description Siemens VENT ROOF, 405M3; 345X265MM115V; IP44 Related products SIEMENS 1790L811A SIEMENS 1FT5066-0AC01-2-Z SIEMENS 1FT5066-1AF71-4AA0 SIEMENS 1FK6042-6AF71-1TH0 SIEMENS 1FK7042-5AF71-1EA0 SIEMENS 1FN3050-4SA00-0AA0