A great accessory for your dive gear kit, this pressure gauge is made to connect to your regulators BCD inflator, and it allows you to test the intermediate pressure from the 1^st stage.  This is an important check as it allows early identification of protentional 1^st stage problems, that could seriously damage your regulator; or indicate when a regulator needs servicing.

Use the gauge after servicing your regulator to adjust the 1^st stage intermediate pressure to the correct value for your regulator model (refer to manufacturers specifications).  The gauge is covers in a rubber boot to protect from damage and increase the life of the gauge.  Rated upto 20 BAR (300 PSI), DO NOT EXCEED PRESSURE RATING OF GAUGE!