New Pulse Valve Video! New Pulse Valve Video! November 8, 2017 By November 8, 2017 In MAC News Check out MAC’s LATEST VIDEO featuring the Pulse Valve and see how this advanced technology performs well on pulse valve dust collectors. Also visit our PULSE VALVE page for more information on this amazing product! More by Share000 Tags FeatureNews 39 Older MAC's Latest: JD Norman Testimonial Video!