M18 Cable Type Filters Product Image | Model Number | Diameter | Sensing Distance | Function Sensing Distance Diameter Function Type Housing Length BIR18-NN8S-NFO18mm8mmNPN NOBIR18-PN8S - NFO18mm8mmPNP NOBIR18-PN8S-FO18mm8mmPNP NOBIR18-NN8S-FO18mm8mmNPN NOBIR18-NN8S18mm8mmNPN NOBIR18-PN8S18mm8mmPNP NO