Smoke Diagnostic Leak Detector Adapter

This versatile adaptor creates an airtight seal with any vehicles EVAP system at the filler neck, eleminating the need for searching for the EVAP service port. Includes a capless adaptor for capless filler necks. Compatible with any smoke machine. Contains: (Qty.) (1) Universal Filler Neck Connector, (1) Capless Fuel Tank Adaptor, (12) Sealing Discs.