The ifm efector E4 Series Gasket offers reliable sealing of temperature and level sensors to containers, tanks, and pipes. The E43911 features an FKM sealing ring on the sensor side and is designed for temperature sensors. The E43323 features an EPDM sealing ring on the sensor side and is designed for level sensors. Both gaskets have PEEK material on the process side and fit G1/2 sealing cones.