3/4/6.5mm Dia - DC 3 Wire (Connector Type) Filters Product Image | Model Number | Diameter | Sensing Distance | Function Sensing Distance Diameter Function Type Housing Length BIT6.5-PN2FL-CM836.5mm2mmPNP NOBIT6.5-PC2FL-CM836.5mm2mmPNP NCBIT6.5-NN2FL-CM836.5mm2mmNPN NOBIT6.5-NC2FL-CM836.5mm2mmNPN NC