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HEPA-Filtered Ventilation Hood
With Particle Containment Exhaust Fan/Filter Unit

Smart Whisperflow Fan Filter Unit
HEPA-filtered Ventilation Hood
Removes micro-contaminants generated inside the enclosure(shown: No. 1686-51C-SSV)

canada and us Ul logo
Canada and US
Fan/Filter Units only

CE marked models available; inquire when ordering
 
  • Perfect for containing contaminants produced during benchtop processes, such as milling, powder analysis and packaging
  • 99.99% efficient HEPA filter (rated @ 0.3µm particles); removes submicron particles generated in the work area to preserve clean conditions in the lab or cleanroom environment (order exhaust fan/filter unit separately)
  • Average air flow: 650+ CFM (1095 m3/hr) under filter load
  • Select enclosure in several materials and depths
  • Price includes fluorescent illuminator

This versatile turnkey hood is portable and gives you a particle-free work environment on any available work surface. Safely exhaust HEPA filtered air, while enjoying the benefits of a quiet operation.

Fan / Filter Unit
Remove microcontaminants generated inside an enclosure with this low-profile HEPA FFU
cleanliness high

The Particulate Exhaust Fan Filter Unit (FFU)
is ideal for removing sub-micron particles, aerosols and fine dust generated inside an enclosure, allowing safe release of HEPA-filtered air. Mounted on a portable vertical or horizontal hood, it is suitable for applications that produce particles unsuitable for exhausting into the surround space. Chemical vapors will not be filtered out; intended for particle contaminants only. The HEPA filter safely removes micro-contaminants down to 0.3µm.

NOTE: The Particle Exhaust FFU is not intended for use with biohazards or compounds that can produce potentially toxic dust.

Quiet, Reliable Operation
The FFU's internal baffle system results in uniform face velocity. The low vibration level ensures minimal disruption of high-precision assembly or test procedures performed inside the hood. The filter unit uses a 3-speed fan motor with permanently lubricated bearings mounted inside a white powder-coated steel housing.

 

Fan / Filter Unit
Horizontal Flow Particle Exhaust Hoods, showing hinged front access panel and Status Indicator Light. Cat. no. 1686-55C-SSV shown.
 
Hood Provides a Versatile Enclosure Configured to Your Requirements
Terra manufactures hoods out of several materials to meet a broad range of chemical and cleanliness requirements. Ionization units are an available option for more sterile operations.

Lightweight acrylic affords full visibility of work in progress. Static-Dissipative PVC eliminates static charges and the particles they attract, making it ideal for the most critical contamination requirements. Durable powder-coated steel or 304 stainless steel provides outstanding durability and resistance to most cleaning solvents.

Hoods
All hood materials are housed in a stainless steel frame for strength and easy cleaning. Hoods include a transparent, hinged front access sash to shield workers from particulates and aerosols generated in the work area.

A Status Indicator Light comes standard on the Whisperflow Exhaust Hoods. This light glows continuously to show FFUs are turned on, and flash to indicate that FFUs are turned off. It is an easy way to check hood operation from across the room.

  FEATURES & BENEFITS | WhisperFlow Hood
Alt Text
HEPA Filter/Fan
Provides clean exhaust of micro-filtered air to meet ISO 5 particle requirements
Status Indicator
Integrated power system includes status light that glows with fan is operational, flashes when not.
Removable Panels
Unique design with seamless, fastener-free track allows easy panel removal for cleaning or replacement

Seamless tracks are easy to clean and sterilize
Removable panel design provides easy access to all hood surfaces

BioSafe Recessed LED Lights
Low-temperature, energy-conserving lamp won't heat the work area, wipes down easily
Tilt-Up Sash
Enhances laminar airflow and prevents air from blowing directly in operator's face


Ordering Information (order HEPA Fan/Filter Unit separately)
hoods dimensions
Vertical Hood Dimensions
horizonal hood dimensions
Horizontal Hood Dimensions

304 Stainless Steel Frames
All models include HEPA FFU and a fluorescent light. See chart for nominal hood widths and depths. Custom sizes available, as well as 240VAC; contact Terra with your request.


Vertical Exhaust Hoods
  24" depth (610 mm)
   
Benchtop Hoods—Vertical Exhaust, 48"W x 24"D x 41"H (1219 x 610 x 1041 mm) *
Hood Material**
120VAC 220VAC
Vertical Exhaust
Cat. # Price Cat. # Price
Acrylic*** 1686-50D-SSV $ 1,773 1686-50D-SSV-220 $ 1,773
Static Dissipative PVC 1686-51D-SSV $ 2,416 1686-51D-SSV-220 $ 2,416
Nondissipative PVC 1686-52D-SSV $ 1,773 1686-52D-SSV-220 $ 1,773
304 Stainless Steel (Static-Dissipative) 1686-54D-SSV $ 2,426 1686-54D-SSV-220 $ 2,426
*23.5 inch clearance for vertical configuration
** Unless indicated in parentheses, shield is made of the same material as the hood.
*** Acrylic is damaged by alcohol and other cleaning agents.
     
  30" depth (762 mm)
   
Benchtop Hoods—Vertical Exhaust, 48"W x 30"D x 41"H (1219 x 762 x 1041 mm)*
Hood Material**
120VAC 220VAC
Vertical Exhaust
Cat. # Price Cat. # Price
Acrylic*** 1686-50D-30-SSV $ 1,972 1686-50D-30-SSV-220 $ 1,972
Static Dissipative PVC 1686-51D-30-SSV $ 2,679 1686-51D-30-SSV-220 $ 2,679
Nondissipative PVC 1686-52D-30-SSV $ 1,972 1686-52D-30-SSV-220 $ 1,972
304 Stainless Steel (Static-Dissipative PVC) 1686-54D-30-SSV $ 2,690 1686-54D-30-SSV-220 $ 2,690
*23.5 inch clearance for vertical configuration
** Unless indicated in parentheses, shield is made of the same material as the hood.
*** Acrylic is damaged by alcohol and other cleaning agents.
     

Reverse-Flow Fan Filter Units
Provide HEPA filtration of submicron particles emanating from the working area.
   
Reverse-Flow WhisperFlow HEPA Fan/Filter Units (order one per hood)
Dimensions
(W x L)
Avg. CFM (m^3/h) @ medium speed Power Cat. # Price
24" x 48"
(600 x 1210mm)
717 120 VAC, 60H 6601-24-HV $ 1,047
220 VAC, 50-60H 6601-24A-HV-220 $ 1,102

File Type File Name Publication Date
Tech Resource (PDF) HEPA and ULPA Particle Filters
HEPA and ULPA filters remove sub-micron particles from the air, which are too small to see but create BIG problems in many critical manufacturing operations. Read about filter capability and airflow resistance testing.
05/18/2015
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