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M33V Air Filtration System

Applications: Local Exhaust Ventilation | Portable Air Cleaners
  • M33V air filtration unit with arm
  • M33V air filtration unit

The self-contained M33 air cleaner is a media filtration system designed for general background or ducted for source capture applications. The M33V is a portable version that maximizes flexibility in use. Both air filtration systems can be ordered with three-stage filtration which will effectively remove a broad range of airborne contaminants including fine dusts, smoke, soot, vapors mist, VOC’s and more at a rate of up to 1300 cfm. A variety of filter configurations are available.

Learn more about the M33 and M33V media air cleaners with the information below. Features and benefits on our Local Exhaust Ventilation (LEV) / Source Capture Arm solutions can be found here. We also carry parts for our M33 and M33V air cleaners.

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M33V Media Air Cleaner

M33V media air cleaner

The M33V from Air Quality Engineering, Inc. is a self-contained media air cleaning system designed for use in source capture applications where mobility is desired. The M33V can be ordered in a three-stage filtration configuration which will effectively remove a broad range of airborne contaminants including fine dust, smoke, soot, vapors, mist, VOC’s and more at a rate of up to 1250 cfm.


DIMENSIONS73″H x 31.13″W x 41.25″L
WEIGHT274.5 lbs. installed weight
324 lbs. shipping weight
Optional carbon module adds 44 lbs. to the installed and shipping weight
CABINET16 gauge welded steel cabinet with a baked enamel, textured coated finish. Built-in sump and drain connection for oil mist removal. Four heavy-duty swivel locking casters.
MECHANICAL ARM13′ externally supported arm swings 180º on its axis and reaches from floor to 13′ high. Once this arm is positioned, the hood and hose remain in place until moved.
00266208 – 2406016.8 – 6.6
PRIMARY FILTER12″ x 24″ x 26″ 5 pocket, 42 sq. ft. of synthetic filter media. Optional filter will increase filter media to 100 sq. ft.
Filter PNFilter Efficiency*
41182MERV 14 Bag
41181MERV 13 Bag
41136MERV 14 ESF
41137MERV 13 ESF

* Efficiency based on ASHRAE 52.2

PREFILTER30-35% efficiency, pleated 12″ x 24″ x 4″. Filter media is a cotton and synthetic blend. Total prefilter media area is 15 sq. ft.
MOTOR1 HP sealed ball bearings and thermally protected. Adjustable motor sheave allows for field adjustments to the rated air flow.
Forward curved, ball bearing, belt driven centrifugal blower. This blower is capable of moving 2250 cfm free air.
Minihelic Gauge – Factory installed pressure gauge designed to determine filter replacement cycle.
Indicator Light – Light indicates that the blower motor is energized properly.
Side load track system with hinged access door.
67 dBa at 9′, 66 dBa at 15′.
OPTION – PN 07125
22 lbs. activated, refillable carbon module. If the carbon filter module is to be used as the third stage of filtration behind the prefilter and primary filter, then the optional rigid filter will be substituted for the standard bag to allow room for the carbon filter. Please note that the maximum air flow rating for the carbon module is 500 cfm if the carbon filter is ordered, the air flow will be factory set at 500 cfm.


  • 36 month parts warranty
  • One externally supported 13′ arm with 8″ or 6″ diameter smooth pipe with hood
  • 1 HP maintenance-free motor
  • 35% efficient 4″ pleated prefilter
  • 10′ power cord with molded plug


  • Halogen light and hood control
  • 22 lb. carbon module
  • 1.5 HP and 2 HP motor upgrades available
  • 65% efficient pleated prefilter
  • Extended service filters

M33V media air cleaner - inside

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