Summary

  • Available ISO Ratings: ISO 5, ISO 6, ISO 7, ISO 8
  • Provides particle free exhaust
  • High Efficiency Particulate Air (HEPA) Filter: 99.99% efficient at 0.3µm particle diameter
  • AC 3-speed blower motor
  • FDA-approved silicone sealant
  • 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
  • Removable yellow power cord with 4-pin connector for easy installation to Terra cleanrooms (connector may be used with an optional wall plug adapter; or  may be removed entirely to hard-wire the FFU)
  • 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
  • All filter sales are final; returns for this item cannot be accepted

Specifications

Type: Reverse-Flow

Material: Powder-Coated Steel

Filter Replacement Access: Top Side

Size: 2'x3'

Filter Frame Material: Aluminum

Filter: HEPA

Motor Type: Permanent Split capacitor (PSC)

Motor HP: 1/4 hp

Airflow: Negative Pressure

Speed Control: 3-Speed Switch

FFU Type: Ductless

Blower Type: Forward Curved

Pre-Filter: MERV 7

Unit of Measure: EA

Helena

Marks & Listings: CE, UL, ULC

Electrical Specifications: 240 V, 1.8 A, 1 Ph, 50/60 Hz

Weight, Product: 53 lb

Dimensions, Product: 23.63"W x 35.63"D x 13"H

Weight, Shipping: 73 lb

Dimensions, Shipping: 53"W x 53"D x 20"H

Package Type: Palletized

Fan Filter Units

  • Terra Universal WhisperFlow® Filter Fan Units Terra Universal WhisperFlow® Filter Fan Units
  • COVID-19 Contamination Control Products by Terra Universal
Terra Universal WhisperFlow® Filter Fan Units

Features and Benefits

Diffuser Panel Promotes Air Flow Uniformity and Protects Filter Integrity

Unlike other manufacturers, Terra’s FFUs include a unique perforated panel beneath the filter, acting as a shower head, to guarantee filter protection and laminar air flow uniformity, which prevents localized air swirling, particle build-up and turbulence.

Protect Against Contaminants and Pathogens

HEPA and ULPA filters help capture many bacteria, viruses (COVID-19), and mold spores that contribute to a host of infections for both humans and plant/animal tissue cultures

COVID-19 Infection Control

Terra’s in-stock ceiling-mounted reverse-flow ducted filter fan units convert any space into a negative pressure isolation room

Dust Collector Pan Helps Prevent Contaminants from Re-Entering Cleanroom

Collector pan accumulates dust particles that dislodge from the HEPA filter, preventing contaminants from re-entering the cleanroom. Collector pan integrates with bag-in/bag-out (BIBO) systems and is easily removed for cleaning or maintenance.

Complete Project Transparency

Terra is dedicated to complete transparency on project status, shipment tracking, and installation scheduling

Wide Selection of Global Shipping Options

Terra offers a broad range of global shipping services including door-to-door and white glove delivery. Each product is safely packaged in a heat-treated wooden crate that meets international shipping standards.

Network of International Reps

Terra employs an international network of more than 20 local sales reps trained to provide comprehensive service on Terra's complete catalog of products

Catalog of CE-Marked Products

Terra offers over 1,700 CE-marked products configured for international voltage requirements

Products Compliant With Your ISO Rating

High-capacity, durable, ISO-compliant system rated for thousands of operating hours.
Popular Accessories
For a full list of accessories, select a product then click Choose Accessories on that product page.
  • 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).
  • 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.
  • Stand for Cleanroom Fan Filter Unit

    Powder coated steel Fan Filter Unit stand supports up to two Fan/Filter Units for horizontal-flow applications (order FFU separately)
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Manuals & Resources
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