« Back to previous category In-line air adjusting valve Description Description Code: 811.HAV-501-B Fits neatly in-line at the gun air inlet Increase or decrease working pressure at the gun Calibrated up to 11 Bar (160 psi) Related products DeVilbissAccessoriesGun cleaning brushes Read more DeVilbissAccessoriesProfessional spray gun cleaning kit Read more DeVilbissAccessoriesHigh flow air hose with connections Read more