The Camco RV Propane/Gauge Leak Detector is designed to allow you to see at a glance when your propane level is low.Fits a DOT propane cylinder manufactured after 1995 that have the ACME/OPD connection.

Type 1 connection for gas grills, RVs and boats
Fits a DOT propane cylinder manufactured after 1995 that have the ACME/OPD connection
See at a glance when your propane pressure level is low
Provides excess flow protection in case of a broken gas line and thermal protection in case of fire
Will not read levels immediately: begins working when propane is flowing