Propane Gauge/Leak Detector

Camco 59023 Propane Gauge/Leak DetectorThe Camco RV propane or 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 or OPD connection.Features: Type 1 connection for gas grills, RVs and boats 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