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Laminar Air Flow Biological Safety Cabinets Bio Safety Cabinets Class I Bio Safety Cabinet Class II Bio Safety Cabinet Class III Air Shower Entry Systems Sterile Garment Cabinets Clean Air Tent Laboratory Fume Hoods Powder Containment Booths Clean Room Pass Box

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Biological Safety Cabinets

cleanair™ Biological Safety Cabinets, enclosed containers and other engineering controls designed to remove hazardous biological materials. The biological safety cabinet is the principal device used to provide containment of infectious splashes or aerosols generated by many microbiological procedures. Our Biological Safety Cabinets have the following technical specification:

Type	Face Velocity (FPM)	Airflow Pattern	Radio nuclides / Toxic Chemicals
Class 1 Open Front	75	In at front: rear and top through HEPA filter	No
Class II Type A	75	0% re-circulated through HEPA: 30% exhaust through HEPA	No
Class II TypeBI	100	30% re-circulated through HEPA: 70% exhaust via HEPA and hard ducted	Yes (Low levels) Volatility
Class II TypeB2	100	No re-circulation: 100% exhaust via HEPA and hard ducted	Yes
Class II Type B3	100	Same as Class II Type A, but plenum under negative to room and exhaust air is ducted	Yes
Class III	NA	Supply air inlets and exhaust through 2 HEPA filter	Yes

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Bio Safety Cabinets Class I

Cleanair™ Bio Safety Cabinet Class - I

Recommended for personnel & Environmental protection only.Air Balancing: Total exhaust cabinet with incineration

Class I Bio Safety Cabinet is defined as a totally enclosed, ventilated unit of airtight constructions. The front panel can be opened, allowing room air to enter the cabinet, sweep the inner surfaces, and exhaust-out through the duct. A front sash with glove ports may be installed. If glove are installed, air is drawn through a secondary opening equipped with a primary filter. A laboratory hood could be considered a class I BSC, the exhausted air is passed through HEPA filter before released in to the atmosphere. The Cabinet unit is maintained under negative pressure.

Cleanliness	Class 5 as per ISO 14644 –1
Air Balancing	100% exhaust with exhaust incineration
Particle retention	0.3 Micron

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Bio Safety Cabinet Class II

Cleanair™ Bio Hazard Safety Cabinet - Class II

Recommended for Product, Personnel & Environmental protection

Class II Cabinets differ in the proportion of air re-circulated within the cabinet; velocity of airflow to the work zone; where the exhausted air is discharged. Air barrier at the work opening and the contaminated air plenum is under positive pressure. An air barrier between the operator and the work zone is maintained by a flow of room air into a full width grille in the work opening. The barrier air mixes with the laminar flow air in a sump underneath the work surface, and is exhausted to the outside environment through duct via a HEPA

Cleanliness	Class 5 as per ISO 14644 –1
Air Balancing	70% re-circulation & 30% exhaust
Particle retention	0.3 Micron & above

Class II - Type B
Recommended for Product & Personnel protection
Air Balancing: 100% re-circulation

Class II - Type B1
Recommended for Product, Personnel & Environmental protection
Air Balancing: 30% re-circulation and 70% exhaust

Class II - Type B2
Recommended for Product, Personnel & Environmental protection
Air Balancing: 0% re-circulation & 100% exhaust

Class II - Type A/B3
Recommended for Product, Personnel & Environmental protection
Air Balancing: 70% re-circulation and 30% exhaust

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Bio Safety Cabinet Class III

Bio safety cabinet class III are recommended for Personnel and Environment protection

Air Balancing: 100% Exhaust with incinerations.

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