moonrock w what is the advantage of "oil filled" ?
ANDREY Y first that comes to mind - it wont get fogged (although if it does - the gauge is done), second thought - has less corrosion as oil seals metal parts.
ANDREY Y first that comes to mind - it wont get fogged (although if it does - the gauge is done), second thought - has less corrosion as oil seals metal parts.
JOHN B Smoother operation.
MICHAEL S oil isn't compressible so gauge wont crush
ANDRES M Last longer and the reading is more acurate