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Horizontal Ductless Exhaust Purifier
Shown with optional light and cleanroom bench

Horizontal Ductless Exhaust Purifier Illustration
Horizontal Ductless Exhaust Purifier color key

Horizontal Ductless Exhaust Purifier

This negative-pressure system is designed to ventilate and purify hazardous fumes generated under the hood, allowing safe indoor release of exhaust. It is ideal for such operations as soldering, screen printing, and chemical mixing.

Select the hood material and filter(s) for your application below. They require a work surface that provides at least 44" of depth. All components are delivered as a complete turnkey system, ready for operation.

To Order —

  1. The chart below indicates the system widths available, for two, three or four filter packs. Each filter pack includes a primary filter (generally, an activated charcoal filter), and a final HEPA filter, if exhaust must meet critical cleanliness requirements.
  2. Select the desired voltage for the blower/filter module. Each polypropylene housing incorporates a 1200 CFM impeller blower for each filter pack, ensuring adequate exhaust flow.
  3. Select the hood material for your application.
  4. Order the correct number of filters for your hood size. The activated charcoal filter listed below is 98% effective at removing a wide range of organic fumes. Terra also offers other purification filters designed for specific chemicals, such as sulfur compounds, amines, mercury compounds and formaldehyde. The Charcoal filter contains built-in pre- and post-filters that trap carbon particles that can escape the purification filter.
  5. A fluorescent light is recommended for optimal visibility, especially with a polypropylene or 304 stainless steel hood. Ionizing equipment is available to protect the work area against surface charges that can create electro-static discharge. The optional AirGard® Air Velocity Monitor ensures adequate airflow to remove exhaust fumes effectively.
  6. Horizontal laminar flow hoods require a work surface with 44" of depth.
Before you order,
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Dimensions Blower/Filter Module***
No. of
Filters*
Working
Area**
W" x D" x H"
115VAC,
60Hz
230VAC,
50Hz
Cat. # $/Each Cat. # $/Each
2 28 x 30 x 28 1650-30 Login
1650-30-220 Login
3 42 x 30 x 28 1650-31 Login
1650-31-220 Login
4 56 x 30 x 28 1650-32 Login
1650-32-220 Login
* Indicates number of filter packs that are housed in the corresponding blower/filter module.
Each filter pack includes a primary filter (activated charcoal or HEPA/ULPA). Order filters separately.
** Inside hood dimensions. Including filter/blower housing.
*** Includes one 1200 CFM impeller blower for each filter pack (rated at 0" static pressure).
Dimensions Hoods (Includes access shield of material indicated in parentheses)
No. of
Filters*
Working
Area**
W" x D" x H"
Dissipative PVC
(Dissipative PVC Shield)
Nondissipative PVC
(Nondissipative PVC Shield)
Acrylic***
(Acrylic Shield)
Cat. # $/Each Cat. # $/Each Cat. # $/Each
2 28 x 28 x 28 1682-60B Login
1682-83B Login
1682-86B Login
3 42 x 28 x 28 1682-61B Login
1682-84B Login
1682-87B Login
4 56 x 28 x 28 1682-62B Login
1682-85B Login
1682-88B Login
Dimensions Hoods (Includes access shield of material indicated in parentheses)
No. of
Filters*
Working
Area**
W" x D" x H"
Polypropylene
(Nondissipative PVC Shield)
304 Stainless Steel
(Dissipative PVC Shield)
Cat. # $/Each Cat. # $/Each
2 28 x 28 x 28 1682-89B Login
1682-92B Login
3 42 x 28 x 28 1682-90B Login
1682-93B Login
4 56 x 28 x 28 1682-91B Login
1682-94B Login
* Indicates number of filter packs that are housed in the corresponding blower/filter module.
Each filter pack includes a primary filter (activated charcoal or HEPA/ULPA). Order filters separately.
** Inside hood dimensions. Including filter/blower housing.

***Acrylic is damaged by alcohol and other cleaning agents.

System Options
System Options Lighting Fixture*
For Hood Size 110VAC,
50/60 Hz
220VAC,
50 Hz
Replacement Tube
Cat. # $/Each Cat. # $/Each Cat. # $/Each
28"W (two filters) 1682-23 Login
1682-23-220 Login
1682-26 Login
42"W (three filters) 1682-24 Login
1682-24-220 Login
1682-26 Login
56"W (four filters) 1682-25 Login
1682-25-220 Login
1682-26 Login
* Highly recommended for optimal visibility, especially in polypropylene and stainless steel hoods.
Power Strip
Includes 4 outlets, master on/off switch, and 15 amp circuit breaker. Installed on right side of hood. 110VAC, 50/60 Hz
Cat.# $/Each
1681-80 Login
  AirGard™ Air Velocity Monitor
Monitors air velocity (70 - 250 ft/sec; 0.35 - 1.25 m/sec) to ensure laminar flow or ventilation efficiency. Complete specifications
Cat.# $/Each
110VAC, 50/60Hz 6704-65 Login
220VAC, 50Hz 6704-65-220 Login

Filters
Purification Filter
(Activated charcoal)
This filter is now bonded and encapsulated in a sleeve that functions as a prefilter negating the need for a separate prefilter
Cat.# $/Each
1716-00A Login

  HEPA (High Efficiency Particulate Air)
Rated 99.99% efficient @ 0.3µm particles.
Cat.# $/Each
1681-02 Login

ULPA (Ultra Low Penetration Air) Rated 99.999% efficient @ 0.12µm particles
Cat.# $/Each
1681-10 Login
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