General Application Ductless Fume Hoods
“The World’s Most Extensive Selection of Ductless Fume Hoods.”
24 • 36 • 48
Provides Feature-Rich Operator Safety
for General Applications
Meets or Exceeds OSHA, ANSI and
other International Standards
— Purair® P5-24 shown with
optional air velometer
Product Overview
p:2
JUMP TO:
Features
and Callouts (p.3)
Controller
Options (p.4)
Airflow and Multiplex™
Filtration Technology (p.5)
Specifications (p.6)
Options and
Accessories (p.7)
Ductless Fume Hoods 24 • 36 • 48
Ductless Fume Hoods
Protects the operator from fume
and particle hazards.
Easy to change filters.
Improved filter clamping
eliminates by-pass leakage.
Low airflow alarm.
Purair P5 -36, shown with optional
Filter Saturation Alarm (FSA) and
air velometer.
APPLICATIONS
• Compounding
• Enclosing balances,
microscopes, and
robotic equipment
• Forensics
• Histology
• Educational
• Microscopy
• Mobile and classroom
demonstrations
• Pharmaceutical
• Powder fingerprinting
• Powder weighing
• Sample prep work
• Soldering
• Solvent cleaning
and welding
• Veterinary and
dental work
INTRODUCTION
The Purair® Basic ductless fume
hoods are a series of high efficiency
products designed to protect the
user and the environment from
hazardous vapors generated on
the work surface. At the heart of the
Purair fume hood product line is
the innovative Air Science Multiplex
Filtration Technology that creates
a safe work environment over the
widest range of applications in
the industry.
DUCTLESS
TECHNOLOGY:
The Eco-friendly
Choice
Advanced carbon
filtration technology
offers a safe, high performance alternative to
conventional ducted
fume hoods for a broad
range of applications.
™
• Environmental
Benefits. Air Science
ductless fume hoods
isolate and trap
chemical vapors to
prevent ecological
impact through
release into the
environment.
• Versatile. Each
filtration system is
selected for its
specific application.
The Multiplex Filter
broadens the range
of applications.
Carbon filters are
available in more
than 14 configurations
for use with vapors
or organic solvents,
acids, mercury and
formaldehyde. HEPA/
ULPA filters can add
to biological safety.
• Easy to Install. The
ductless fume hood
is self-contained
and does not require
venting to the outside. Many units
are portable and
may be moved from
one location to the
next with minimal
down-time and without
filter changes. Set-up,
operation and filter
maintenance are
straightforward.
• Energy Efficient.
Because filtered air is
returned to the room,
no demands are
required of the facility
HVAC capacity for
make-up air.
• Cost Effective. Facility
ductwork, HVAC and
construction costs
are eliminated.
• Safe to Use. Cabinet
airflow and face
velocity protect users
from incidental
exposures to fumes.
• Self testing. (selected
models) Electronic airflow monitoring assures
continuous safety. An
electronic gas sensor
monitors carbon filter
performance.
Made in
the U.S.A.
This Product Exceeds OSHA, ANSI and Other International Standards.
Product Features
p:3
Ductless Fume Hoods 24 • 36 • 48
PRODUCT FEATURES:
A. Filter I.D. Window: A strategically placed front
cover window shows the installed filter part number
and installation date for convenience and to encourage
timely filter replacement.
B. Air Velometer: (Optional) An analog air velocity
meter in the field of vision of the user.
A
D
J
I
H
M
C
F
B
E
L
G
C. Hinged Front Sash: When closed, the cabinet
sash protects the contents from inadvertent external
contact, and better isolates the air within. The sash
is easy to open and close.
D. Control Panel: Electronic controls and displays
include switches for the blower and low airflow alarm.
E. Steel Support Frame: The chemical resistant
epoxy coated steel frame adds mechanical strength.
Optional all polypropylene construction is available
if desired; see Accessories.
F. Electrostatic Pre-Filter: The 99.5% effective
electrostatic pre-filter is accessible from inside
the chamber to contain the release of any
particulates that it traps. The pre-filter can be
changed while the unit is operating to prevent
operator exposure to chemical vapors.
G. Pass Through Ports: Electrical cords and
cables are safely routed into the cabinet through
ports on the back and side walls.
H. Color: The cabinet is white with blue trim;
side and back panels are clear.
I. Airflow Alarm: A continuous air velocity monitoring
system alerts the operator upon unacceptable values.
J. Internal Manual Speed Controller: Authorized
personnel may set the centrifugal fan motor speed as
desired.
K. Stand: Optional mobile cart with locking casters.
L. Work Surface: The internal work sur face can
be fitted with an optional polypropylene tray;
see Accessories.
M. Filter Door Key: Filter access keys prevent
unauthorized removal or accidental exposure to
dirty filters.
Air Science
K
®
120 6th Street • Fort Myers, FL 33907 • T/239.489.0024 • Toll Free/800.306.0656 • F/800.306.0677 • www.airscience.com
360 Degree Visibility: Clear back and side panels
allow ambient illumination into the chamber and provide
users with an unobstructed view of its contents.
Standards Compliant: Performance specifications
and construction meet or exceed OSHA, ANSI and relevant
international standards to assure operator safety.
Construction: All models are available in either
metal or polypropylene construction. See selection
chart for specifications and dimensions. Specify metal
or polypropylene when ordering. Available in 110V,
60Hz or 220V, 50Hz models.
Steel Support Frame: The chemical resistant epoxy
coated steel frame adds mechanical strength. Optional
all polypropylene construction is available if desired.
Purair P5 -24, shown with optional mobile cart
and spill tray.
OTHER FEATURES:
Product Features
p:4
THE AIR SCIENCE
PERFORMANCE
ADVANTAGE
Each Air Science
fume hood includes
features expressed
through sound design
and certified quality
construction. Options
and accessories add
functional performance
to meet specific
applications.
• Professional Quality.
Air Science fume
hoods comply with
current technical and
safety regulations.
• Multiplex Filtration.
The Air Science
Multiplex™ Filter offers
a range of options for
high performance.
• Industrial
Components.
The cabinet frame
and work surfaces
are durable and
chemically resistant.
• Reliability.
Internal systems
are isolated from
fumes, extending
product life.
Ductless Fume Hoods 24 • 36 • 48
Basic control panel. Standard on Purair Basic Models, Includes On/Off switch and low airflow alarm.
Optional Advanced control panel with hour meter to aid in determining available filter life and Filter Satura-
tion Alarm (FSA). The FSA adds an electronic gas sensor and emits audio and visual alerts when the main filter
needs to be changed.
Air Scie nce fume hoods use
energy-efficient ebmpapst™
brand centrifugal blowers
for long life, and dependable performance.
AIR SCIENCE
MULTIPLEX FILTRATION
TECHNOLOGY
Multiplex Filtration
consists of a pre-filter
and main filter to create
a combination of
chemical and physical
architecture customized
to each application.
The mechanical design
enhances safety,
convenience and
overall value.
• The electrostatic
pre-filter is accessible
from within the
cabinet.
• A filter clamping
mechanism allows
for the filter to be
easily installed
and ensures an
even seal at the filter
peripheral face at
all times to prevent
bypass leakage.
• The filter chamber
prevents contaminated air from
contacting internal
cabinet mechanisms.
• The main filter number
and installation date
are displayed in a
front-access window.
The Air Science carbon
filtration technique is
based on enhanced,
activated carbon
particle formulations
from specially selected,
naturally occurring raw
material superior to
wood or other organic
sources. The carbon
is treated to attain the
proper porosity and
aggregate surface area
and to react with several
ranges of aerosolized
chemicals moved
through the filter by an
air handling blower.
• The multiplex option
permits one or more
filtration options to be
combined to meet
a wider range of
multiple-use applications. Multiplexing
permits configuration
for the capture of
acids, bases and
particulates such as
biological aerosols
when paired with HEPA
or ULPA filters.
• The Air Science
carbon filter is a
self-contained
assembly sized to fit
the specified product
model number, and
configured to optimize
airflow across 100%
of the filter surface
area for maximum
efficiency, prolonged
filter life, optimal
diffusion and
saturation capacity,
and user safety.
Air Science is the
single source supplier
for all pre-filters and
carbon filters used
in its products, plus
those of many other
manufacturers.
This Product Exceeds OSHA, ANSI and Other International Standards.
p:5
Ductless Fume Hoods 24 • 36 • 48Product Filtration
PURAIR BASIC
FEATURES & BENEFITS
Purair Basic products
are available in 3
standard sizes, each
with 4 configuration
options and metal or
polypropylene construction, totaling 24
standard models.
• High capacity air
handling system
delivers face velocity
of 100 FPM.
• A low airflow alarm
warns of insufficient
face velocity.
• The Air Science filter
assembly is easy
to access, easy to
change.
• A unique filter
clamping design
eliminates bypass
leakage outside
the cabinet.
• Accessories include
an optional filter
saturation alarm.
PURAIR®
AIRFLOW PATTERN
Purair P5 -36, shown with
Multiplex Filtration System.
Exhaust Air
The Purair Basic Series
ductless fume hood
Fan / Blower
A
Filtration
Main Filters
of carbon and/or
HEPA/ULPA
maintains a constant
face velocity of 100 FPM i n
compliance with USA and
international standards
for safety a nd performance.
Contaminated air is pulled
through the Multiplex
filtration system where
activated carbon adsorbs
chemical vapors and/or
particulates if HEPA/ULPA
filters are us ed. Clean
air is returned
to the room.
A. The main filter is
easy to replace, no tools
required. The fi lter clamps
tightly against the filter
gasket to prevent filter
bypass and maintain
filter integrity.
The Multiplex filter
configuration permits a
customized combination
of filter media for a broad
range of chemical families and biological agents
if required. EFT Filtration
Technology broadens the
Air Scie nce application for
ductless fume hoods.
Electrostatic Pre-filter
Room Air Intake
Pre-filter may be
changed while unit
is running
MULTIPLEX FILTRATION SYSTEM, SUMMARY
Pre-Filter Main Filter
Electrostatic Protects the main filters from aerosols, mists, dust and particulates with filter efficiency
Activated Carbon FILTC O™ Sourced. A single carbon filter containing activated carbon granules chemically
Singl e:
One ty pe of acti vated carbon.
Stacked:
Two or more single filters each
with a different type of c arbon.
HEPA/ULPA A self-contained filter designed to physically capture particles larger than 0.3 microns (HEPA)
superior to 95.5% dow n to 0.5 micro ns.
Standard --
formulated to capture one or more specific vapors or family of vapors.
-- Specify
-- Specify
or 0.12 microns (ULPA). When used with a HEPA/ULPA filter the ductless fume hood may be
applied as a Class I Biolo gical Safety Cabinet.
-- Specify
This Product Exceeds OSHA, ANSI and Other International Standards.
Product Specifications
p:6
Ductless Fume Hoods 24 • 36 • 48
Purair® P5-24
Purair® P5-36
Purair® P5-48
Standard
MODEL DIMENSIONS WEIGHT
Internal Height External ( W x D x H) Shipping ( W x D x H) Net Ship
Standard Models
P5-24
P5-36
P5-48
19"
484 mm
19"
484 mm
19"
484 mm
Straight Models (Reduced Depth)
P5-24S
P5-36S
P5-48S
19"
484 mm
19"
484 mm
19"
484 mm
24" x 27" x 31"
610 x 676 x 781 mm
36" x 27" x 31"
914 x 676 x 781 mm
48" x 27" x 31"
1219 x 676 x 781 mm
24" x 24" x 31"
610 x 610 x 781 mm
36" x 24" x 31"
914 x 610 x 781 mm
48" x 24" x 31"
1219 x 610 x 781 mm
40" x 40 " x 40"
1016 x 1016 x 1016 mm
40" x 40 " x 40"
1016 x 1016 x 1016 mm
45" x 55" x 40"
1143 x 1397 x 1016 mm
40" x 40 " x 40"
1016 x 1016 x 1016 mm
40" x 40 " x 40"
1016 x 1016 x 1016 mm
45" x 55" x 40"
1143 x 1397 x 1016 mm
68 / 31 125 / 57
95 / 43 152 / 69
133 / 60 190 / 86
65 / 29 110 / 50
92 / 42 142 / 64
130 / 59 187 / 85
Straight
(
lbs/Kg
)
Purair
®
P5-24-XT
Purair
®
P5-36-XT
Purair
®
P5-48-XT
Extra Tall
Extra Tall Straight
MODEL DIMENSIONS WEIGHT
Internal Height External ( W x D x H) Shipping ( W x D x H) Net Ship
Extra Tall Models
P5-24 -XT
P5-36-XT
P5- 48-XT
23.6"
600 mm
23.6"
600 mm
23.6"
600 mm
Extra Tall Straight Models (Reduced Depth)
P5-24 -XTS
P5-36-XTS
P5- 48-XTS
Specifications are subject to change without notice.
23.6"
600 mm
23.6"
600 mm
23.6"
600 mm
24" x 27" x 35"
610 x 676 x 889 mm
36" x 27" x 35"
914 x 676 x 889 mm
48" x 27" x 35"
1219 x 676 x 889 mm
24" x 24" x 35"
610 x 610 x 889 mm
36" x 24" x 35"
914 x 610 x 889 mm
48" x 24" x 35"
1219 x 610 x 889 mm
40" x 40 " x 40"
1016 x 1016 x 1016 mm
40" x 40 " x 40"
1016 x 1016 x 1016 mm
45" x 55" x 40"
1143 x 1397 x 1016 mm
40" x 40 " x 40"
1016 x 1016 x 1016 mm
40" x 40 " x 40"
1016 x 1016 x 1016 mm
45" x 55" x 40"
1143 x 1397 x 1016 mm
72 / 33 129 / 59
99 / 45 157 / 71
138 / 63 195 / 88
72 / 33 129 / 59
99 / 45 157 / 71
138 / 63 195 / 88
This Product Exceeds OSHA, ANSI and Other International Standards.
(
lbs/Kg
)
Product Specifications
p:7
Ductless Fume Hoods 24 • 36 • 48
PRODUCT SPECIFICATIONS
P5-24
P5-24S
Purair Model
Airflow CFM 135 .9 206 281. 25
Face Velocity FPM 100 100 100
Noise, d BA, 1 meter < 50 < 50 < 53
Lighting
Construction
Blower
Electrical
Electrical Switches
Monitoring
P5-2 4-XT
P5-2 4-XTS
<… Compact fluorescent lamp. …>
<… White epoxy coated steel frame and head unit. Cl ear sid es and back panel. …>
<… ebmpapst
<… 120V, 60Hz or 220V, 50Hz voltages availa ble. Spe cify when ordering. Other voltage options availa ble. …>
<… Low airflow alarm, standard. …>
Filter Specifications
Pre-Filter Electrostatic, 1 l b / .45 kg (nominal)
Ma in* (1) 11 lbs / 5 kg (1) 11 lbs / 5 kg (2) 11 lbs / 5 kg
* Single stack; double stack doubles weight of all (i.e. 22, 22, 44).
P5-36
P5-36S
P5- 36-X T
P5- 36-X TS
™
centrifugal fan.
<… Main On/Of f …>
…
>
P5-48
P5-48S
P5- 48-XT
P5- 48-XTS
OPTIONS & ACCESSORIES
P5-24
P5-24S
Purair Model
Advanced Control Panel* Includes On/Off switch, low a irflow a larm, and hour mete r to aid in
Spill Tray Polypropylene spilla ge tray, available in w hite or bl ack, slides
Dwyer Air Flow Meter Continuous display of face velocity. DWYER DWYER DWYER
Base Sta nd, Mobile,
with Casters
Base Cabinet, Fixe d Provides storage s pace below and a cup sink, swan neck faucet,
ADA Compliance* Provides wheelchair access and lowered remote controls.
Polypropylene Construction* Cabinets are available in all polypropylene construction.
Duplex Electrical Outlet* Two NEMA-1420R receptacles with ground fault interrupter.
Service Valve* Cabinets can be fitted with service fixtures such
Stainless Steel Hanging Rod* Hanging rod spans the width of the cabinet. HANGR- P5-24 HANGR-P5-36 HANGR-P5- 48
Cup Sink, Mounts i nto Tray* Cup sink i s fitted into the base tray. SINK SINK SINK
UV l am p** A UV lamp is available for overnight decontamination of interior
determining available filter life. Panel also comes equipped with a
Filter Saturation Alarm with an electronic gas sensor that emits audio
and visual alerts when the main filter needs to be changed.
out for ea sy cleaning.
Provides a lower storage shelf; accommodates wheelchair access.
Locking casters fix the hood in place.
and service fixtures.
Contact Air Science for information.
110V service standard; international fixtures available.
as petcocks, faucets or valves.
surfaces. The UV kit includes a timer, door microswitch, fully closing
front sash, and UV filtering clear polycarbonate panels. The UV
operation must comply with local codes and facility safety practices.
P5-24 -XT
P5-24 -XTS
ADV-P ADV-P ADV-P
TR AY- P5
TR AY- P5 -S
TR AY- P5
TR AY- P5 -S
P5-CART P15-CART P20-CART
P5-ENCB P15 - ENC B P20 - ENCB
<… All Purair Basic models are available in ADA compliant
configurations. Contact Air Science for ordering information.
P5-24 -PP
P5-24S -PP
P5-24 -XT-PP
P5-24 -XTS- PP
AS-GFI AS-GFI AS-GFI
<… SF-X. Specify ser vice fit ting t ype (faucet, valve, petcock)
and location when ordering.
UV-P5 UV -P 15 UV-P20
P5-36
P5-36S
P5-36-XT
P5-36-XTS
TR AY- P5 -36
TR AY- P5 -36 -S
TR AY- P5 -36
TR AY- P5 -36 -S
P5-36 -PP
P5-36S -PP
P5-36-XT- PP
P5-36-XTS -PP
P5-48
P5-48S
P5- 48-XT
P5- 48-XTS
TR AY- P5 -48
TR AY- P5 -48 -S
TR AY- P5 -48
TR AY- P5 -48 -S
P5-48-PP
P5-48S-PP
P5- 48-XT- PP
P5-48-XTS -PP
…
>
…
>
* Factory installed; specify when ordering.
** Includes timer, door microswitch, fully c losing front sash and all clear
polycarbonate panels (UV filtering). Safety p recaution s need to be followed.
Air Science
®
120 6th Street • Fort Myers, FL 33907 • T/239.489.0024 • Toll Free/800.306.0656 • F/800.306.0677 • www.airscience.com
Product Compliance
p:8
Ductless Fume Hoods 24 • 36 • 48
STANDARDS & COMPLIANCE
Quality Management Systems IS O 90 01
Chemical Fume Containment ANSI/ASHRAE 110 1995
Carbon Filter Efficiency
Biological Safety
Filter Efficiency
HEPA and ULPA
Electrical Safety U L-C - 61010-1
Product Design ANSI Z 9.5-20 03
OSHA,
Occupational Safety
and Health Administration
Environment IS O 14 00 1
BS 79 89-20 01
AFNOR N FX 15-211
IEST-RP- CC-0034.2
I ES T- RP -C C0 07.1
IEST-RP-CC001-4
EN 18 22
CE Mark
ROHS Exempt und er EEE Category 9
ANSI Z 9.7-1998
OSHA Standard -29 CRF, Safety and Health Regulations
for General Industry, 1910.1450: Occupational exposure
to hazardous chemicals in laboratories. Part B, definition,
labora tory type hood. All Air Science p roducts m eet this
definition.
Energy Star Partner
FILTER SUMMARY
Formula Description
GP Plus! The most widely u sed filte r in the range,
ACI Plus! Neutralizes volatile inorganic acid vapors.
ACR Iodine and methyl iodide vapors. It is
ACM Mercu ry vapor.
AMM Removes vapors from dilute ammonia
SUL Designed to remove hydrogen sulfide and
CYN Removal of hydrogen cyanide. Many cyanide
FOR Designed to oxidize formaldehyde and
ETH Diethyl ether is adsorbed on activate d
HEPA/UPLA Powders and particulates.
primarily for solvent, organic, and
alcohol removal.
frequently used for iodination reactions
with low level radioactive iodine.
solutions and to re move low molecula r
weight amines.
low molecular weight mercaptans.
compounds will evolve HCN gas if acidified,
so this filter is normally specified if working
with any cyanide compound.
glutara ldehyde fumes. It i s widely used
in hospital pathology laboratories.
carbon, but because of its low boil ing
point, local heat adsorption can reduce the
capacity of the filter. Special impregnation
allows a chemical reaction which increases
the filter capacity.
120 6th Street • Fort Myers, FL 33907
T/239.489.0024 • Toll Free/800.306.0656 • F/800.306.0677
www.airscience.com
©2016 Air Scien ce OW 10970 04/16
Air Science, Purair, Multiplex, and EFT are all registered trademarks of Air Science Corporation
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