Brand: Endress+Hauser Item: Flooding protection tube For Use With: Endress+Hauser FMR10B-1009/0, FMR20B-12X0/0 and FMR30B-11U4/0 level sensors Material: Polybutylene terephthalate (PBT)/polycarbonate Thread Size: 1-1/2in female NPT Endress+Hauser flooding protection tube, polybutylene terephthalate (PBT)/polycarbonate, 1-1/2in female NPT. For use with Endress+Hauser FMR10B-1009/0, FMR20B-12X0/0 and FMR30B-11U4/0 level sensors.