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Portable Laminar Flow Hoods Comparison Chart
  Universal Hood CleanCube™ WhisperFlow™ Hood WhisperFlow™ Hood
Universal Hoods CleanCube™ Hood WhisperFlow™ Hoods WhisperFlow™ Hoods
Flow Vertical Vertical Vertical Horizontal
Nominal Widths 7.5', 6', 4', 3'
(2.3 m, 1.8 m, 1.2 m, 914 mm)
3', 2'
(914 mm, 610 mm)
6', 5', 4', 3', 2'
(1.8 m, 1.5 m, 1.2 m, 914 mm, 610 mm)
6', 5', 4', 3', 2'
(1.8 m, 1.5 m, 1.2 m, 914 mm, 610 mm)
Nominal Overall Depth and Height 28" or 24"D (711 or 610 mm). Overall height depends on blower and filter modules selected. 24"D x 40"H
(610 x 1016 mm)
24"D x 42"H
(610 x 1067 mm)
36"D x 24"H
(914 x 610 mm)
Nominal Working Space 28"D x 27"H
or 24"D x 23"H
(711 x 686 or 610 x 584 mm)
24"D x 28"H
(610 x 711 mm)
24"D x 30"H
(610 x 762 mm)
24"D x 30"H
(610 x 762 mm)
Construction Material / Options
SD PVC
Acrylic
Polypropylene
304 Stainless Steel
Tempered Glass
Main body options:
  Acrylic
  Polycarbonate
Stainless Steel frame with side panel options:
  Acrylic
  SD PVC
  Polypropylene
  304 Stainless Steel
Stainless Steel frame with side panel options:
  Acrylic
  SD PVC
  Polypropylene
  304 Stainless Steel
Work Surface Options Workbench sold separately; many top materials available. 2-piece frame isolates fan vibration. Workbench sold separately; many top materials available. Workbench sold separately; many top materials available. Workbench sold separately; many top materials available.
Blower Type Variable-speed impeller Integrated Fan/Filter Unit Integrated Fan/Filter Unit Integrated Fan/Filter Unit
Air Flow

Single Twin 3'
(914 mm)
2'
(610 mm)
6'
(1.8 m)
5'
(1.5 m)
4'
(1.2 m)
3'
(914 mm)
2'
(610 mm)
6'
(1.8 m)

5'
(1.5 m)

4'
(1.2 m)
3'
(914 mm)
2'
(610 mm)
CFM
(m³/h)
740 or
1560
(1257 or 2650)
1480 or
2400
(2515 or 40078)
480
(816)
360
(612)
960
(1631)
840
(1427)
650
(1104)
480
(816)
360
(612)
960
(1631)
840
(1427)
650
(1104)
480
(816)
360
(612)
Filter Types HEPA or ULPA HEPA or ULPA HEPA or ULPA HEPA or ULPA
Prefilter Fiberglass Washable polyurethane Foam Washable polyurethane Foam Washable polyurethane Foam
Portability / Installation Access Portable:
Rests on a workbench
(sold separately)
Portable:
Rests on a workbench
(sold separately)
Portable:
Rests on a workbench
(sold separately)
Portable:
Rests on a workbench
(sold separately)
Front Sash Configuration Options Tilt-up front shield:
acrylic or SD PVC
Tilt-up front shield:
acrylic or polycarbonate
Tilt-up front shield:
acrylic or SD PVC
Swing-down front shield of acrylic or SD PVC.
Lighting Optional fluorescent vapor-sealed illuminator N/A Optional fluorescent vapor-sealed illuminator Optional fluorescent vapor-sealed illuminator
Noise Level, Measured 30" (762 mm) from filter face at 90 FPM (.46 m/s)
  <50 dBA <50 dBA <50 dBA
Airflow Monitor Options Optional: air velocity meter and differential pressure gauge for filter backpressure Optional: air velocity meter and differential pressure gauge for filter backpressure Optional: air velocity meter and differential pressure gauge for filter backpressure Optional: air velocity meter and differential pressure gauge for filter backpressure
Power Requirements 120 VAC, 50/60 Hz
or 220VAC, 50 Hz
120 VAC, 50/60 Hz
or 220VAC, 50 Hz
120 VAC, 50/60 Hz
or 220VAC, 50 Hz
120 VAC, 50/60 Hz
or 220VAC, 50 Hz
Price Range $2,000 - $6,000+ $2,500 – $4,000+ $3,000 - $5,000+ $3,000 - $4,800+
Application Synopsis
Several sizes
Economical
Wide range of hood materials to meet chemical and cleanliness requirements
Economical
Quiet, reliable fan/filter modules
Seamless design simplifies cleaning & sterilization
Full visibility
Large range of widths
Vertical and horizontal flow configurations
Quiet, reliable fan/filter modules
Wide range of panel materials to meet chemical and cleanliness requirements
Large range of widths
Vertical and horizontal flow configurations
Quiet, reliable fan/filter modules
Wide range of panel materials to meet chemical and cleanliness requirements
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