20 Gallon Pneumatic Vacuum Generating Head - Model N301S

20 Gallon Pneumatic Vacuum Generating Head – Model No. N301S

20 Gallon Pneumatic Vacuum Generating Head – S Venturi W 1½” Inlet – Model No. N301S

Mount a Guardair Vacuum Generating Head on any standard 20-gallon drum* for an instant, high-performance vacuum capability. Ideal for vacuuming up chips, dust, debris, liquids or sludge. Powered by compressed air, always dependable and trouble-free with no motors or moving parts to wear out, Guardair Vacuum Generating Heads produce exceptional vacuum lift and vacuum flow while operating quietly and efficiently. Medium vacuum lift (S venturi) version available. Factory-installed options include Liquid Shutoff Assembly, HEPA Filtration, and Extra Silent Exhaust. *18 gauge minimum to prevent drum collapse. Non-returnable item.


  • The vacuum generating head with exhaust silencer.
  • Standard cartridge filter.
  • Air shutoff valve with 1/2″ FNPT inlet; equipped with 1/2″ NPT connector.


Product Contains:

  • Vacuum Generating Head.




Model Number Air Inlet
FNPT (in)
Min. Compressor Required (hp) Noise Level (dB) Flow (cfm) Vacuum Flow (cfm) Vacuum Lift (in H20) Dimensions
(L” x W” x H”)
Weight (lbs)
N301S 1/2 4.4 95 21 61 105 24 x 23.3 x 17.5 23.8


Prop. 65 Warning: Cancer and Reproductive Harm www.P65Warnings.ca.gov

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