Horizontal Negative Pressure Fume Extractor

Winged Sentry & Winged Sentry w/ Lid

Model # SS-300-WS & Model # SS-300-WSL

Dual Arm Fume Extractor
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The Model 300 Winged Sentry is a benchtop fume extraction unit that offers a unique design and horizontal airflow pattern. It features infinitely adjustable “wing flaps” to assist in directing contaminated air towards the unit’s inlet and into the filter chamber while the operator works between the wings. This system offers hood-like containment without the confinements of working within an actual hood. The operator can place these wings in the most effective position for their application, or they can be placed flat against the sides of the unit to conserve space. This system offers a standard variable speed controller and an optional clear, hinged acrylic lid (SS-300-WSL) for those seeking further containment.

Typical applications performed in conjunction with the Winged Sentry are chemical fume extraction, soldering, light grinding, pharmaceutical applications like powder and capsule filling, R&D, solvent and epoxy fume control, and many other applications that involve VOC fumes and dusts.

Appropriate filtration media is selected for the Winged Sentry based on the application being performed by the operator. HEPA [up to 99.97% efficient on particles 0.3 microns and larger], ASHRAE [up to 95% efficient on particles 0.5 microns and larger], Activated Carbon, and specialty-blended filter media [i.e. Acid Gas, Mercury, Aldehyde, Ammonia] are the most common options for this unit. The Winged Sentry allows multiple filter media to be housed inside the filter chamber for applications that emit both particulates and fumes.

The Winged Sentry is also available in a smaller model [Model SS-200-WS].

Winged Sentry (SS-300-WS)
Winged Sentry w/ Lid (SS-300-WSL)
14.5"L x 13"W x 15.5"H
Work Area
w/out Lid:
14"L x 28"W
Work Area
w/ Lid:
14"L x 28"W x 13"H
40 lbs.
Cabinet Material:
16 ga. carbon steel w/ polyester epoxy coating on all surfaces
Fractional Horsepower
Available Filter
HEPA Filter - Up to 99.97% efficient on particles down to 0.3 microns in size.
ASHRAE Filter - Up to 95% efficient on particles down to 0.5 microns in size.
ULPA Filter - Up to 99.9995% efficient on particles down to 0.12 microns in size.
Activated Carbon & Specialty-Blended Filters - Efficiency varies per chemical.
Air Volume:
Variable Speed Control Standard
350 CFM High, Down to 50 CFM Low
115/1/60, 2 amps
220/1/50, .75 amps
Sound Level:
61 to 66 dba (Blower Speed: Low to High)
Limited two-year warranty from date of shipment on defects due to materials or workmanship.
Patented Design:
U.S. PATENT #5,843,197
U.S. PATENT #8,353,745

All specifications are nominal and subject to change without notice. Not intended for explosive or highly flammable applications. (i.e. when the Lower Flammability Limit is exceeded for any given chemical). Please consult the specific MSDS for questions regarding flammability limits.


Quick Change Pre-Filter
Allows easy access to pre-filters.
Remote Control Box
Controls unit operation remotely.
Hour Counter
Displays hours unit has
been in operation.

100 Series (Up to 80 CFM)
200 Series (Up to 100 CFM)
300 Series (Up to 350 CFM)
400 Series (Up to 700 CFM)
450 Series (Up to 950 CFM)
500 Series (Up to 1300 CFM)
Extractor Arms (Exhaust Hoses)
Accessories (For All Products)

Additional Configurations 300 Series - Up To 350 CFM