• Keep 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)


Unit of Measure: EA


Electrical Specifications: 240 V, 50/60 Hz

Dimensions, Product: 4"W x 4.25"D x 6.6"H

Weight, Shipping: 5 lb

Package Type: Crate

Fan Filter Units

  • Terra Universal WhisperFlow® Filter Fan Units Terra Universal WhisperFlow® Filter Fan Units
  • Cleanroom HEPA or ULPA Fan Filter Unit WhisperFlow Cleanroom HEPA Fan Filter Unit
  • Stainless Steel WhisperFlow Fan and Filter Units Stainless Steel WhisperFlow Fan and Filter Units, 2' x 4'
  • EC HEPA Fan Filter Unit Smart WhisperFlow Fan Filter Unit with EC Motor
  • Room Side Replaceable Fan Filter Units (FFUs) Room Side Replaceable WhisperFlow® Fan Filter Units (FFUs)
  • Explosion-Proof Softwall Cleanroom Explosion-Proof Softwall Cleanroom
  • 2' x 4' Ducted HEPA Filter Unit Ducted HEPA Filter Unit, 2' x 4'
Terra Universal WhisperFlow® Filter Fan Units

Features and Benefits

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