New Spray Dampening Video! New Spray Dampening Video! August 23, 2017 By August 23, 2017 In MAC News Visit our YouTube channel to see our latest video featuring our fluid valve technology in the Spray Dampening industry! Also visit the Liquid Microdosing Valve and Bullet Valve® pages for more information! More by Share000 Tags FeatureNews 37 Newer MAC Releases Micro Dosing Video! Older MAC Valves featured in PETplanet Insider Magazine!