Precautions:

To adjust filter pressure: pull the pressure adjustment knobupward, turn it clockwise to raise pressure andcounter-clockwise to lower pressure, push the knobdownward into place to fix it afterwards. DO NOT turn knobforcefullyoruse toolswhen it is at its utmost position (thepressure remains intact) as it may get damaged.

Assemble along,instead of against air flow direction.Toprevent damage,secure the gauge with wrench rather thanbyholding its enclosureby hand.

TransparentPC bowlsare made ofplasticpolycarbonatematerial, DO NOT use with synthetic oil, organic solvents,chemicals, cutting oil, volatile gases,and in environmentswith these materials to prevent unsafe use due to materialdamage

DO NOT place product inareas with shock and heavyvibration; avoid outdoor locationswith chemicals andcorrosive air environment.

Secure the device in correct direction (bowlbottom pointingdownward) to ensurebestproduct performance.

DO NOT remove PCbowlduring operation and useinorderto prevent danger; lock PCbowl in positionbypressing the latch into place before using it for air supply.