The OTC CEA-01 is a 3-1/2" diameter exhaust cone. It is an accessory for the OTC 6521 Leak Tamer Plus EVAP Smoke Diagnostic Machine. Model # CEA-01 Features: 3-1/2" diameter exhaust cone It is an accessory for the OTC 6521 Leak Tamer Plus EVAP Smoke Diagnostic Machine.
