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Smart Whisperflow Fan Filter Unit
Smart Whisperflow Fan Filter Unit
 

ValuLine™ WhisperFlow®
Benchtop Laminar Flow Hoods

frameless tempered glass WhisperFlow
Model Shown: 1688-92-48-SD; Vertical flow hood
shown with static-dissipative PVC walls
Features Key
  Standard
  Option
A Status Indicator
B Power Strip (integrates electrical components)
C Fan/filter unit (sold separately) with HEPA or ULPA particle filter
D Wall panel options include polycarbonate, static dissipative PVC and stainless steel
E LED light fixture (vapor-sealed fixture available)

Two-piece hood stand isolates vibration — ideal for high-precision work (available in many top materials)
  Optional equipment includes digital air speed monitor and filter backpressure gauge
cleanliness high
ValuLine™ all-polypropylene models
This versatile laminar flow hood gives you a particle-free work environment on any available work surface.
  • Portable, economical system converts any benchtop surface into a laminar flow station
  • HEPA fan/filter units provide vertical flow of micro-filtered air to meet ISO clealiness requiremeents (order separately)
  • Provides air flow speed 109 feet/minute (0.55 m/s) measured with HEPA filter; internal baffling plates and anodized aluminum diffuser panel ensure uniform air speed across the work area
  • Quiet operation: 50 dBA measured 12" (305 mm) from filter face
  • Available with many application-specific wall panels, including polycarbonate, static-dissipative PVC and stainless steel; all polypropylene model is ideal for use in the presence of harsh chemicals
  • Work surfaces available to meet any cleanliness requirement
  • Standard widths to 72" (1829 mm), with 24" (610 mm) or 30" (762 mm) depth; high-clearance model available for large process equipment
  • Standard outside height of 40.8" (1036 mm)

Select the panel material for your application. Polycarbonate wall panels afford full visibility of work in progress and resist a broad range of chemicals, including cleaning agents. Static-dissipative PVC panels provide broad chemical resistance and prevent the buildup of static, making it ideal for processes involving delicate electronics or powders that are prone to clinging to surfaces. These panels slide into an all-stainless steel frame that provides durable support for the Fan/Filter Units (sold separately). The stainless steel-walled hood is built as one solid piece of stainless steel (no separate frame), offering the highest cleanliness and durability.

Each model also includes recessed LED lighting and a hinged access shield that increases air speed by restricting the air exhaust. Hood orders are shipped completely assembled, ready for operation.
Before You Order, Consider Your Options!
Specialty Plastics—Specify any of these systems in dozens of other materials.
QuickQuote Planner
How to Order:
  • Specify hood panel material by adding the appropriate suffix to the part number of the desired hood size and configuration below. The price for a hood of a specified size and configuration is the same, regardless of non-FM 4910 panel material selected.
    • -SD for static-dissipative PVC (panels and sash)
    • -PC for polycarbonate (panels and sash)
    • -SS for 304 stainless steel (with static-dissipative sash)
    • -AA for amber acrylic (panels and sash)
    • -BA for black acrylic (with clear acrylic sash)
    • -WA for white acrylic (with clear acrylic sash)
    •  Specify all-polypropylene models below
  • These fire-rated materials are available at the specified upcharge:
    • -FP for FM 4910-rated polypropylene (panels and sash): add 50% to price specified below
    • -FV for FM 4910-rated PVC (panels and sash): double the price specified below
Please note the following:
  • Fan/filter units are sold separately; refer to the tables below for configurations and pricing
  • All models incorporate a sash of the material specified above
Click any price to add to cart.
Blue Prices show stock on hand. More . . .

  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
WhisperFlow Hood
  WhisperFlow Benchtop Laminar Flow Hood Vertical WhisperFlow Benchtop Laminar Flow Hood Horizontal

Vertical Flow
(24” Depth)*

 Vertical Flow
(30” Depth)*
Hood Width Cat# Price Cat# Price
24”
(610 mm)		 1688-91A-24 $ 1,292 1688-92A-24 $ 1,522
36”
(914 mm)		 1688-91A-36 $ 1,551 1688-92A-36 $ 1,780
48”
(1219mm)		 1688-91A-48 $ 1,684 1688-92A-48 $ 1,927
60”
(1524mm)		 1688-91A-60 $ 1,551 1688-92A-60 $ 2,135
72”
(1829mm)		 1688-91A-72 $ 2,124 1688-92A-72 $ 2,429
*23 inch vertical clearance for Vertical Laminar Flow
**18 inch vertical clearance for Horizontal Laminar Flow
Fan/Filter Unit Requirements
24” Hoods 36” Hoods 48” Hoods 60” Hoods 72” Hoods
(1) 24” x 24” FFU (1) 36” x 24” FFU (1) 48” x 24” FFU (1) 24” x 24” FFU
(1) 36” x 24” FFU		 (2) 36” x 24” FFUs
WhisperFlow Fan/Filter Units
Dimensions (W x L) Max CFM
(m^3/h) 		Power With HEPA Filter With ULPA Filter
Cat# Price Cat# Price
24" x 48" (600 x 1210mm) 1117 120VAC 6601-24-H $ 677 6601-24-U $ 787
24" x 36" (600 x 905mm) 767 120VAC 6601-23-H $ 677 6601-23-U $ 787
24" x 24" (600 x 600mm) 520 120VAC 6601-22-H $ 677 6601-22-U $ 787
24" x 48" (600 x 1210mm) 1183 240VAC 6601-24-H-220 $ 787 6601-24-U-220 $ 898
24" x 36" (600 x 905mm) 824 240VAC 6601-23-H-220 $ 787 6601-23-U-220 $ 898
24" x 24" (600 x 600mm) 557 240VAC 6601-22-H-220 $ 787 6601-22-U-220 $ 898

High-Clearance WhisperFlow Hood
frameless tempered glass
High-clearance WhisperFlow hood, shown with polycarbonate panels and microscope resting on Vibration-Free Platform (No. 1580-03)

This model features construction identical to the models above, but offers 42" of vertical clearance to accommodate large process equipment. Overall dimensions: 72"W x 32"D x 54"H. Specify desired panel materials using material codes above.

 

High-Clearance WhisperFlow Hood
  Cat. # Price
WhisperFlow High-Clearance Hood
(requires two 2'x3' FFUs; order separately)		 1688-94-72 $ 4,298
Vibration-Isolated Hood Frame 1688-75-34 $ 288
Vibration-Isolated Work Surface
(laminate)		 1688-55-34 $ 495

 

ValuLine All-Polypropylene WhisperFlow Hood
Fume Hoods
No. 1688-40, Verticle Flow Polypropylene Hood

Fabricated of all-welded, 0.5" (13mm)-thick chemical-resistant polypropylene, these hoods are idea for use in applications involving acids or highly corrosive chemicals. They include a raised-lip, integrated spill tray, LED light, status indicator (to confirm that fan/filter unit is operating) and tilt-up static-dissipative PVC sash. Specify Fan/Filter Unit below.
vertical hood
horizontal
Vertical Hood Dimensions
Horizontal Hood Dimensions
Vertical Flow ValuLine WhisperFlow Hood
Outside Dimensions
(subtract 1" [25 mm] for W and D ID)
W" x D" x H"
(mm)*

VLF Hood
with Spill Tray

 Corresponding
HEPA FFU***
Cat. # Price Cat. # Price
48 x 24 x 40.8
(1219 x 610 x 991)		 1688-40 $ 1,328 6601-24-H $ 677
36 x 24 x 40.8
(914 x 610 x 991)		 1688-41 $ 1,206 6601-23-H $ 677
24 x 24 x 40.8
(610 x 610 x 991)		 1688-95 $ 1,086 6601-22-H $ 677

*23 inch clearance for Vertical Laminar Flow Hood
**For 220VAC Hoods, add "-220" to the end of the catalog number
***Order Fan/Filter Units separately. ULPA models available
Horizontal Flow ValuLine WhisperFlow Hood
Outside Dimensions
Width
inches (mm)*		 HLF Hood**
with Spill Tray		 Corresponding
HEPA FFU***
Cat. # Price Cat. # Price
48
(1 219)
1688-43 $ 1,392 6601-24-H $ 677
*19.5 inch clearance for Horizontal Laminar Flow Hood
**For 220VAC Hoods, add "-220" to the end of the catalog number
****Order Fan/Filter Units separately. ULPA models available
Stands
non-vibration isolation
Non-isolated (one-piece) stand Vibration-isolated work-surface stand with free-standing hood frame isolates vibrations caused by the hood blower
Vibration-Isolated Stand/Frame
Two-piece design separates WhisperFlow Hood from sealed laminate top work surface to isolate fan vibration (order both a work surface and a frame unit from the table below). Adjustable model height range = 25" to 32": height adjustment in 1" increments.
Vibration-Isolated Stand/Frame
For Vertical Flow WhisperFlow Hoods
Hood Size Nonadjustable Work Surface Nonadjustable Frame Adjustable Work Surface Adjustable Frame
Cat. # Price Cat. # Price Cat. # Price Cat. # Price
24"W x 24"D 1688-51 $ 291 1688-71 $ 201 1688-56 $ 319 1688-76 $ 230
36"W x 24"D 1688-52 $ 305 1688-72 $ 216 1688-57 $ 368 1688-77 $ 244
48"W x 24"D 1688-53 $ 337 1688-73 $ 227 1688-58 $ 366 1688-78 $ 256
60"W x 24"D 1688-54 $ 369 1688-74 $ 274 1688-59 $ 389 1688-79 $ 302
72"W x 24"D 1688-55 $ 391 1688-75 $ 288 1688-60 $ 419 1688-80 $ 314
24"W x 30"D 1688-51-30 $ 320 1688-71-30 $ 201 1688-56-30 $ 350 1688-76-30 $ 230
36"W x 30"D 1688-52-30 $ 335 1688-72-30 $ 216 1688-57-30 $ 366 1688-77-30 $ 244
48"W x 30"D 1688-53-30 $ 371 1688-73-30 $ 227 1688-58-30 $ 402 1688-78-30 $ 256
60"W x 30"D 1688-54-30 $ 406 1688-74-30 $ 274 1688-59-30 $ 428 1688-79-30 $ 302
72"W x 30"D 1688-55-30 $ 430 1688-75-30 $ 288 1688-60-30 $ 461 1688-80-30 $ 314

One-Piece Stand
Use these more economical stands for work that is not sensitive to FFU vibration; work surface and stand are integrated into a single piece. Non-adjustable stand height = 32".
 
One-Piece Stand for WhisperFlow Hoods
Hood Size Non-Adjustable Height: 32" H Adjustable Height: 25-32" H
Sealed Laminate Stainless Steel Sealed Laminate Stainless Steel
Cat. # Price Cat. # Price Cat. # Price Cat. # Price
One-Piece Stand For Vertical Flow WhisperFlow Hoods
24"W x 24"D 1650-80 $ 308 1650-80-SS $ 508 1650-90 $ 336 1650-90-SS $ 554
36"W x 24"D 1650-81 $ 322 1650-81-SS $ 531 1650-91 $ 351 1650-91-SS $ 579
48"W x 24"D 1650-82 $ 355 1650-82-SS $ 586 1650-92 $ 384 1650-92-SS $ 633
60"W x 24"D 1650-83 $ 386 1650-83-SS $ 638 1650-93 $ 406 1650-93-SS $ 670
72"W x 24"D 1650-84 $ 408 1650-84-SS $ 673 1650-94 $ 437 1650-94-SS $ 721
24"W x 30"D 1650-80-30 $ 339 1650-80-30-SS $ 559 1650-90-30 $ 370 1650-90-30-SS $ 609
36"W x 30"D 1650-81-30 $ 354 1650-81-30-SS $ 584 1650-91-30 $ 386 1650-91-30-SS $ 637
48"W x 30"D 1650-82-30 $ 391 1650-82-30-SS $ 645 1650-92-30 $ 422 1650-92-30-SS $ 696
60"W x 30"D 1650-83-30 $ 425 1650-83-30-SS $ 702 1650-93-30 $ 447 1650-93-30-SS $ 737
72"W x 30"D 1650-84-30 $ 449 1650-84-30-SS $ 740 1650-94-30 $ 481 1650-94-30-SS $ 793
 

Accessories

Static-Neutralizing IonBar™

IonBar™ IonBar with Installation Kit*

  110VAC 220VAC
Cat. # Price Cat. # Price Cat. # Price
11"L (279 mm) with 2 emitters 2005-05A $ 355 — — — —
22"L (559 mm) with 4 emitters 2005-06A $ 448 2005-47 $ 497 2005-47-220 $ 525
33"L (838 mm) with 6 emitters 2005-16A $ 548 2005-48 $ 595 2005-48-220 $ 605
44"L (118 mm) with 8 emitters 2005-07A $ 645 2005-49 $ 681 2005-49-220 $ 689
*Includes ionizing bar, power supply, and installation kit; Ionizing kit and FFU must be ordered together.

Vapor-Sealed Fluorescent Illuminator
This fluorescent light fixture is enclosed in a vapor-sealed static-dissipative PVC housing. Price includes installation. Be sure to select a length that fits inside your enclosure. Operates on 120VAC or 220VAC (50/60Hz).
Illuminator Replacement Bulb
Dimensions (L x W x H) Cat. # Price Cat. # Price
18" x 5" x 3" (457 x 127 x 76mm) 2400-34 $ 260 3800-73 $ 13
38.88" x 5" x 3" (988 x 127 x 76mm) 2400-40 $ 401 2400-39 $ 14
File Type File Name Publication Date
White Paper (PDF) Vertical vs Horizontal Laminar Flow
Things to consider when deciding between vertical or horizontal flow. There are advantages and disadvantages to each airflow direction and hood design, depending on your application and laboratory lay-out.		 05/28/2015
White Paper (PDF) Airflow Uniformity and Fan Filter Units
Fan filter units help to remove contaminants from controlled environments. They are effective if designed well. Variables like speed and baffles contribute to an FFU's ability to maintain uniform air speed and direction. Read more about how FFUs help you comply with ISO and other regulations.		 05/28/2015
Manual (PDF) Ionizing Equipment (Ion Bar): Doc. # 1800-45
Quick-Start Operating Guide for Terra's IonBar Ionizing Bar, creating a balanced stream of positive and negative ions to combat ESD in your work station.		 10/06/2010
Manual (PDF) WhisperFlow Benchtop Laminar Flow Hood: Doc. # 1800-71
 09/11/2017
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