Allegro 9520-50M Complete High Output Centrifugal Blower System with MVP

Item #9520-50M

  • These Complete Ventilation Systems includes the top requested equipment for your confined space site
  • Includes the blower, 6 ft & 15 ft. of ducting with storage bag and Manhole Ventilation Passthru.
  • Offer lightweight portability with the highest output available
  • High Output Blower included


Features durable ABS housing, metal safeguards, and steel fan 3/4 HP motor for higher CFM output. 12A/115V/230V System includes: blower, 6' and 15' of ducting with storage bag and Manhole Ventilation Passthru. Free Air: 1570 CFM One 90 degree Bend: 1100 CFM Two 90 degree Bends: 900 CFM

For environments that require faster purge time or larger confined spaces, this High Output Blower offers the same features as the Standard Blower, with a cage-enclosed 3/4 hp motor for higher CFM output. Tough polyethylene housing offers lightweight durability, and the metal safeguards and steel fan offer greater safety.

The Manhole Ventilation Passthru combines the low profile manhole air vent, 90 degree elbow and built-in mounting all in one easy assembly. Made from Linear Low Density Polyethlene. The low profile elbow fits underneath the lower cross bar of the guardrail. The manhole cover fits into flat channeled corner for stabilization. Duct is collapsible for easy entry - springs back into shape once the worker is down into the manhole. Weighs only 11 pounds! Click image above for image of High Output Blower.

Please click here for the Ventilation Information and Reference Sheet

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