AXIS TP3905 ACI Conduit Adapter 1" Compatible with Axis 1″ NPS (M25) conduits Spring clip included Plastic, for indoor installations AXIS TP3905 ACI Conduit Adapter 1" is used for attaching 1″ NPS conduits to Axis products with a 1″ conduit interface. Compatible products Mounts AXIS T94G01P Conduit Back Box AXIS T94S01P Conduit Back Box AXIS TP3601 3/4" Conduit Adapter AXIS TP3603 Conduit Back Box AXIS TQ1601-E Conduit Back Box