Available Certified ISO Grade Designs: ISO 6, ISO 7, ISO 8
Filter replacement alarm keeps your fan filter units working safely and efficiently
1 Filter Replacement Alarm unit covers for all FFUs in your cleanroom
Receive automatic replacement alerts to avoid costly and unexpected operational interruptions
Prevent electrical/fire hazards caused by overworked motors pushing against overloaded HEPA filters
Control differential pressure set-point to adjust frequency of filter replacement
Includes audible buzzer with silencer that sounds when set point level is exceeded
Factory set to issue a warning alarm when pressure reaches twice the initial backpressure (typically 1.5"" WC), indicating need for filter replacement (adjustable 0.5"" - 2"" WC)
Alarm unit connects to one FFU equipped via challenge port and signals when all filters are ready to be replaced
TUI Logo flashes when the HEPA or ULPA filter needs to be replaced
Integrated Minihelic gauge displays the backpressure within the fan/filter unit
Monitoring system’s control box is typically mounted above the cleanroom control panel
Module draws power from the cleanroom PDM or can be connected to a standard 120V outlet (order power outlet cord adapter separately)"
Specifications
• Certified ISO Grade Design: ISO 6
• Unit of Measure: of 1
Terra Universal WhisperFlow® Filter Fan Units
WhisperFlow Cleanroom HEPA Fan Filter Unit
Stainless Steel WhisperFlow Fan and Filter Units, 2' x 4'
Smart WhisperFlow Fan Filter Unit with EC Motor
Room Side Replaceable WhisperFlow® Fan Filter Units (FFUs)
Explosion-Proof Softwall Cleanroom
Ducted HEPA Filter Unit, 2' x 4'
Overview video of Terra Universal's comprehensive portfolio of filter fan unitsTerra Universal WhisperFlow® Filter Fan UnitsOverview video of Terra Universal's comprehensive portfolio of filter fan units
WhisperFlow Fan Filter Units (FFUs) provides a uniform flow of microfiltered air to meet cleanliness standards down to Class 10/ISO 4 | 6601-24-H displayedWhisperFlow Cleanroom HEPA Fan Filter UnitWhiperFlow Fan FIlter Units features internal baffling and adodized an aluminum diffuser that provide uniform air speed across the filter face for ISO-compliant laminar flow of HEPA or ULPA-filtered air.
Stainless Steel WhisperFlow® Fan/Filter Units feature a corrosion-resistant, ultra-smooth housing for aseptic facilities | 6601-24-USS displayedStainless Steel WhisperFlow Fan and Filter Units, 2' x 4'Stainless Steel Fan/Filter Units feature a corrosion-resistant, ultra-smooth housing, filter frame and diffuser with ULPA filter for aseptic facilities requiring frequent sterilization; WhisperFlow® blffling system promote uniform air velocity across filter face.
Smart WhisperFlow® Fan Filter Units feature electronically commutated motors for energy efficiency, quiet operation and remote speed control | 6601-24-H-EC displayedSmart WhisperFlow Fan Filter Unit with EC MotorSmart WhisperFlow® Fan Filter Units feature electronically commutated (EC) motors for improved energy efficiency, low noise, remote speed control and pressure balancing.
Room-Side Replaceable (RSR) WhisperFlow™ Fan/Filter Units allow filter replacement from inside of the cleanroom | 6601-24A-HR displayedRoom Side Replaceable WhisperFlow® Fan Filter Units (FFUs)Room-Side Replaceable (RSR) WhisperFlow™ Fan/Filter Units allow HEPA or ULPA filter replacement from inside of the cleanroom; WhisperFlow® baffle system and anodized aluminum diffuser promote uniform air velocity across filter face.
This Class I, Division 1 softwall cleanroom features explosion-proof fan/filter units connected with sealed conduit to explosion-proof junction boxesExplosion-Proof Softwall CleanroomThis Class I, Division 1 softwall cleanroom features explosion-proof fan/filter units connected with sealed conduit to explosion-proof junction boxes.
Ducted filter unit provides uniform flow of HEPA- or ULPA-filtered air to an enclosure (requires remote air handler) | 6601-24-HD displayedDucted HEPA Filter Unit, 2' x 4'Ducted filter unit provides HEPA- or ULPA-filtered air to an enclosure (requires remote air handler). WhisperFlow baffling system ensures uniform face velocity (2 x 4 model shown).
Features and Benefits
Complete Project Transparency
Terra is dedicated to complete transparency on project status, shipment tracking, and installation scheduling
Complete Order Transparency
Using Terra’s OnTrak system, our customers can view real-time production updates, receive shipment notifications and track their orders until they arrive at their facility
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.
Energy-Efficient Lighting
Energy-efficient LED lighting panels and strips help to lower electrical costs and minimize heat build-up in temperature-controlled environments.
Power Distribution Modules for Cleanroom FFUs and Lights
UL-listed power distribution modules include all breakers, transformers and other electrical components for FFU/light connections; allows fast addition or relocation of FFUs or lights without the need for rewiring.
Ionizing Bar; 22"L, with Installation Kit, for 24 x 24 Fan/Filter Unit
Ionizing bar, mounted to Fan/Filter Unit, provides a balanced stream of ions to the work area below to neutralize static charge and prevent electro-static discharge; 22" bar shown installed on 2' x 2' FFU.
Night Service Saves Energy, Extends Filter Life!
Night service switch, shown mounted on Modular Hardwall Cleanroom panel, puts FFUs in low-energy mode during off-hours; saves 25% of fan operating costs and extends filter life.
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).
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.
FFU Mounting Frame; Stainless Steel
Stainless steel Fan Filter Unit (FFU) mounting frame supports FFU on drywall or other rigid ceiling material, viewed from above ceiling panel (FFU not included).
Fan Filter Unit Control System
Provides room-by-room monitoring and control of Smart WhisperFlow FFUs to maintain target pressure differentials for ISO classification; temperature, humidity and particle monitoring and data logging, as well as dynamic fan set-point control, also available.
Filter Covers Allow Ceiling Wash-Down
Ceiling panel covers allow wash-down and sterilization of cleanroom walls and ceilings without damage to filter medium; requires BioSafe glass or stainless steel wall panels, which stand up to biocides.
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).
Safely Mount FFU’s Above Floor for Horizontal Laminar Airflow
The portable FFU base stand can be easily positioned to supply Class 100 horizontal laminar flow into a room or enclosure. It can also be positioned next to sensitive equipment/materials that are mounted close to the floor.
