Laminar Flow Clean Benches, Vertical Flow, HEPA Filtered, 4' Wide, Open Base, CAP-412-4T30-30H-Mode'OB'-G139

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Laminar Flow Hood - Vertical Flow - HEPA Filtered - 4 Ft Wide - Open Base  CAP-412-4T30-30H-Mode'OB'-G139

The laminar flow clean bench has vertical air flow and is specifically designed to create a freestanding ultra-clean mini-environment.   The clean bench is available in a variety of sizes and styles engineered to provide excellent solutions for many air filtration applications.  The series 412 clean bench may vary from vertical flow benches with open interiors to exhausting clean benches with wet process, to recirculating temperature control Class 1 systems.

A clean bench can be used in conjunction with cleanrooms to create clean zones.  They can also be used in lieu of or supplemental to a cleanroom.  A larger cleanroom may utilize a clean bench as a "critical clean" area.  It can be more cost effective to build a lower class cleanroom and supplement it with clean benches, than it is to create a higher class cleanroom.

The vertical flow clean bench consists of three basic components
• Upper cabinet module houses the pre-filters, HEPA or ULPA filter, blower motors and lights
• Lower support frame which is removable for easy shipment and moving
• Lower work surface module - flat table or work surface with sinks, tanks and other options

The standard HEPA filter is 99.99% efficient on particles 0.3 micron and larger.  This filter has an aluminum frame, white painted metal face guard and mini pleated filter media.  Filters are removable through the front access panels.  Optional ULPA filters 99.999% on particles 0.12 micron are available.

The blower-motor assembly is sized to provide proper air flow with a minimum 50% increase in HEPA filter pressure drop.  This ensures years of bench operation without needing to change the HEPA filter.

The clean bench is designed for quiet operation.  The typical sound level is approximately 65 dbA.  Larger size units and those with multiple blowers may have a slightly higher sound level.  The sound levels are measured with ambient of 55 dbA.  The clean bench sound level may vary depending on size of unit and surrounding room size and acoustics.
  • • Standard white powder coat finish
  • • HEPA filter is 99.99% efficient providing ISO 5 Class 100 performance
  • • Open base allow the unit to be placed over existing work tables or equipment
  • • All metal welded filter module
  • • Structural shell components are 16 gage cold rolled steel with a white powder coat finish
  • • Welded 11 gauge lower support frame is heavy-duty 2x4 steel tubing with a white powder coat finish
  • • White vinyl coated steel back panel
  • • Shatter resistant cool white fluorescent lamps 
  • • Meets or exceeds requirements of the NEC electrical codes; All standard components are UL listed
  • • Balanced centrifugal direct drive galvanized steel blowers.
  • • Disposable fiberglass pre-filters are located on the top and can be relocated to the front or back of the filter cabinet.
  • • 65 dBa
    • 90 Ft/Min +/1 20% filter face velocity @ STP
    • Pigtail wires for hard wiring by others - 120V, 60 Hz

  • • Stainless Steel construction
  • • ULPA filtered
  • • Ion bars
  • • Non-Outgassing

CAP-412-4T30-30H-Mode'OB'-G139   Vertical Laminar Flow Bench with Open Interior - 4Ft  50 1/2"W x 94"H x 34"D, ISO 5, Class 100, Junction Box, 120V, 9.7 FLA

For more options, visit our main Laminar Flow Hoods section.

Order online, call customer service at 303-752-0076 or email

The laminar flow hood price does not include freight. The laminar flow hood ships on a motor freight carrier and the cost of shipping will be added to your order. Customer service will call or email you after the order is placed to give you the option of shipping the cleanroom collect on your account. Indicate to customer service if your facility will require a lift gate or if you have a dock high receiving area. Please include delivery point of contact name and phone number.

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