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Terra Part #PriceShips in
120 VStainless Steel16" x 36"HEPATop Side 6601-1636-HS $1,2450-2 Days2
120 VStainless Steel16" x 24"HEPATop Side 6601-1624-HS $1,2455-9 Days3
120 VPowder-Coated Steel16" x 36"HEPATop Side 6601-1636-H $7921-3 Days4
120 VPowder-Coated Steel16" x 24"HEPATop Side 6601-1624-H $7921-3 Days5
120 VPowder-Coated Steel16" x 48"HEPATop Side 6601-1648-H $7921-3 Days6
240 VStainless Steel16" x 24"HEPATop Side 6601-1624-HS-220 $1,2455-9 Days7
240 VPowder-Coated Steel16" x 36"HEPATop Side 6601-1636-H-220 $7921-3 Days8
240 VPowder-Coated Steel16" x 24"HEPATop Side 6601-1624-H-220 $7921-3 Days9
240 VPowder-Coated Steel16" x 48"HEPATop Side 6601-1648-H-220 $7921-3 Days10
240 VPowder-Coated Steel16" x 24"HEPATop Side 6601-1624-H-220-CE $9091-3 Days11
240 VPowder-Coated Steel16" x 36"HEPATop Side 6601-1636-H-220-CE $9091-3 Days12
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Product Details

• 16-inch WhisperFlow™ fan filter unit fits in space-saving enclosures for a smaller footprint

• Internal baffling plates and anodized aluminum diffuser provide uniform air speed across the filter face, ensuring laminar airflow

• Three speed settings simplify air balancing

• Meets IEST Recommended Practices

• Quiet, low-vibration design: only 50 dBA, measured 30" from filter face @ 90 FPM

• Provides an average airflow velocity of 90+ feet per minute and airflow of 640+ CFM under filter load at Medium speed setting

• HEPA (High-Efficiency Particulate Air) filters are rated 99.99% efficient at removing particles ≥ 0.3 microns

• ULPA (Ultra-Low Penetration Air) filters are rated 99.999% efficient at removing particles ≥ 0.12 microns

• Provides years of no-maintenance, 24/7 operation (depending on air quality)

• Internal baffling plate and diffuser panel provide quiet uniform air flow across the filter face

• 1/4-20 UNC threaded inserts on corners to allow suspension by guy-wires

• MERV 7 pre-filter, 30% ASHRAE rated

• Low-profile design is ideal for cleanrooms with limited ceiling space

• Filters are leak tested in accordance with IEST standards and meet UL 900

See performance data and submittal sheets for additional information

Optional Accessories:

• Challenge port kit

• Power plug adapter

• Stainless surface mount frame for installing FFU in ceiling without T-grid

• 12” ducted inlet connection adapter

• Replacement filter

• Filter replacement alarm

• Eye bolt package

• Ionizing bar

• Pre-filter safety cover, for CE conformance

• Control panel with night mode switch and power distribution modules

Unit of Measure: of 1

Features & Benefits

Features and Benefits

Filter Fan Units Prevent Infection

Did You Know?
Fan/Filter Units Do More Than Meet ISO Requirements—they also prevent infection.

Most cleanroom professionals understand that FFUs capture contaminants that degrade particle-sensitive samples. But they also remove bacteria and many viruses and mold spores that contribute to a host of infections.

Most common bacteria are contained by the 0.3-micron pore size of high-efficiency particular air (HEPA) filters. Ultra-Low Penetration Air (ULPA) filters, which are rated 99.999% efficient at retaining particles of 0.12 microns and larger in diameter, capture ultra-fine contaminants, including many large viruses and mold spores.

These filters also remove aerosol-born pathogens—germs that hitch a ride on larger particles and liquid droplets that are captured in a HEPA or ULPA filter. HEPA- or ULPA-based Fan/Filter Units (FFUs) thus can play an important role in infection prevention in surgical theaters, ICUs and other medical settings.

Additionally, HEPA filters can help filter pollen, tiny insects, bacteria, mold, and other fungal spores that might be present during plant tissue culture or cannabis production. Contaminants such as these can find a way in via personnel or normal HVAC units and can blight crops and reduce yields. HEPA Filters help increase crop yields, pass inspection/meet regulations, and reduce contamination.

Here is a list of common human pathogens that HEPA/ULPA filters capture and remove from circulation:

Pathogens: Bacteria and Diseases
  • Escherichia coli: Gastrointestinal infection
  • Bacillus anthracis : Anthrax
  • Aspergillus brasiliensis: Sinus infections
  • Francisella tularensis: Tularemia
  • Bordetella pertusis : Whooping cough
  • Mycoplasma pneumaoniae: Pneumonia
  • Chlamydia pneumoniae: Bronchitis
  • Clamydia psittaci : Psittacosis
  • Klebsiella pneumoniae: Opportunistic infections
  • Haemophilus influenzae : Meningitis
  • Coxiella burnetii : Q fever
  • Pseudomonas aeruginosa: Opportunistic infections
  • Actinomyces israelii: Actinomycosis
  • Legionella pneumophila: Legionaire's disease
  • Thermoactinomyces sacchari: Farmer's lung
  • Alkaligenes: Opportunistic infections
  • Streptococcus pyogenes : Scarlet fever
  • Mycobacterium Tuberculosis : Tuberculosis

Quick-Connect Fittings

FFUs and lights can be easily added as cleanrooms requirements change, or disconnected for maintenance, without the need to run additional power lines or involve an electrician.

Air Flow Uniformity

Unique WhisperFlow® FFU baffling system and anodized diffuser plate promote uniform air speed across the filter face.

Eliminate Contaminants and Pathogens

HEPA and ULPA filters capture many bacteria, viruses, and mold spores that contribute to a host of infections for both humans and plant/animal tissue cultures

Available Accessories

Popular Accessories

For a full list of accessories, select a product then click Choose Accessories on that product page.
  • Cord Adapter, MIN4 PL to 16AWG Power Cord for Terra Fan/Filter Unit
    Four-pin power cord adapter for fan/filter unit allows connection to standard 120VAC/60Hz power receptacle.
  • Filter Replacement Alarm
    The filter replacement alarm monitors filter backpressure and issues an alarm when filter needs replaced (requires selection of fan filter unit with challenge port, order separately).
  • Challenge Port for Fan Filter Unit
    Challenge port for Fan/Filter Units simplifies filter leak testing and connection of Filter Backpressure Alarm (shown with optional pressure gauge; must be ordered with FFU).

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Manuals & Resources

Manuals & Resources

Blog Post

Air Shower Protection for Cannabis Grow Rooms

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