Fan Filter Unit, Reverse-Flow, 2'x2', HEPA, 240 V, Powder-Coated Steel, WhisperFlow, Terra Universal (CAT#: STEM-C-0085-ZJF)

The WhisperFlow® Reverse-Flow Fan Filter Unit 6601-22-HV-220 manufactured by Terra Universal provides a steady laminar flow stream of HEPA filtered air to the area below the mounted unit.
The exhaust is particle free.
High Efficiency Particulate Air (HEPA) Filter: 99.99% efficient at 0.3µm particle diameter.
AC 3-speed blower motor makes it easy to realize low, medium and high speed wind speed regulation.
FDA-approved silicone sealant has good sealing, high safety and durability.
Internal baffling plate and diffuser panel make the air flow quiet and even.
Threaded (1/4-20 UNC) inserts on corners make the unit easy to hang and mount.
MERV 7 pre-filter which is 30% ASHRAE rated helps to extend the service life of HEPA filter.
Low-profile design is compact and takes up less space, ideal for cleanrooms with limited ceiling space.
Removable yellow power cord with 4-pin connector guarantee the convenience and soundness of the unit's installation to cleanrooms.
Filters are leak tested in accordance with IEST standards and meet UL 900.

Type: Reverse-Flow
Material: Powder-Coated Steel
Filter Replacement Access: Top Side
Size: 2'x2'
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
Marks & Listings: CE, UL, ULC
Electrical Specifications: 240 V, 1.8 A, 1 Ph, 50/60 Hz
Weight, Product: 44 lb
Dimensions, Product: 23.63"W x 23.63"D x 13"H
Weight, Shipping: 64 lb
Dimensions, Shipping: 53"W x 53"D x 20"H
Package Type: Palletized
Warranty: 1 year parts, 90 days labor
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

Diffuser Panel Promotes Air Flow Uniformity and Protects Filter Integrity: Unlike other manufacturers, Terra's FFUs use a unique perforated panel like a shower head beneath the filter, to protect the filter and make laminar air flow more uniform by preventing 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.
COVID-19 Infection Control: Terra's ceiling-mounted reverse-flow ducted fan filter units can convert the room into a negative pressure isolation room.
Dust Collector Pan Helps Prevent Contaminants from Re-Entering Cleanroom: Removing the collector pan with accumulated dust particles easily from the filter for cleaning and maintenance will prevent contaminants from re-entering the cleanroom.
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.
Network of International Reps: Terra Universal has an international network of more than 20 local sales reps trained to provide comprehensive service for all Terra Universal's products.
Catalog of CE-Marked Products: Terra offers over 1,700 CE-marked products configured for international voltage requirements.

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